Gear worth the upgrade
Hands-on picks for audio, streaming, charging, and the everyday gadgets that actually earn their place on your desk.
EBO X FamilyBot — read reviewEnabot's flagship self-balancing AI companion robot, with a 4K stabilized camera, GPT-4o mini conversation, Alexa, and elder-care features like fall alerts.
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EBO Max FamilyBot — read reviewEnabot's multimodal-AI companion robot with 4K two-way video, face/voice recognition, adaptive memory, and fall-detection alerts for family and elder-care monitoring.
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EBO Air 2 Plus FamilyBot — read reviewA 3K two-way video companion robot with an interactive AI assistant, expressive dual-screen eyes, and scheduled smart patrol.
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EBO Air 2S FamilyBot — read reviewA mid-range two-way video companion robot with scheduled patrol routes, AI tracking, and expressive dual-screen eyes.
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EBO Mini Sport FamilyBot — read reviewEBO Mini with a quieter brushless motor, AI recognition that sorts pets from people in recordings, and 12 customizable eye colors.
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EBO Mini FamilyBot — read reviewA 2K, Wi-Fi 6 pet-and-home camera robot with a built-in laser pointer for pet play, two-way audio, and voice messaging.
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EBO SE 2 FamilyBot — read reviewEnabot's newest entry-tier camera robot: a 2K upgrade over EBO SE with Wi-Fi 6, animated eyes, and a built-in laser pointer for pet play.
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ROLA PetPal Robot Pet Companion — read reviewA 2.5K pet-monitoring robot with an AI-triggered snack dispenser, two-way voice communication, and an auto-edited daily highlight video.
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ROLA Mini Pet Monitor — read reviewA 2K full-house pet-monitoring robot with a tip-resistant tumbler design and up to 25 days of standby battery life.
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ROLA PetTracker GPS Tracker with Camera — read reviewA wearable GPS tracker and camera for pets over 4kg, with quadruple positioning, a settable safety-fence alert, and two-way voice.
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ROLA Smart Pet Water Fountain — read reviewA wireless-pump smart water fountain with app-based hydration alerts, 3-layer filtration, and cordless or plug-in versions. US only.
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ST-01 PRO Bluetooth Tube Amplifier — read reviewA vacuum-tube hybrid amplifier with Bluetooth 5.0, USB DAC, and digital inputs, built for desktop hi-fi setups with passive bookshelf speakers.
Douk Audio 16-Bit MIC Sound Level Meter Music Spectrum Visualizer — read reviewA slim 181mm LED sound level bar with 16 vivid blue beads and microphone pickup. Display mode, peak, brightness, speed and sensitivity all adjust, with AGC and noise filtering built in.
7.83Hz Schumann Wave Resonance Generator for Sleep and Relaxation — read reviewA plug-in device that emits a 7.83Hz Schumann resonance signal into a room. Douk Audio positions it for relaxation, sleep and listening-room ambience, and notes it makes no sound of its own.
Ampapa 6.35mm TRS Balanced Audio Cable with Oxygen-Free Copper — read reviewA 1m balanced 6.35mm TRS to TRS cable pair with 6N oxygen-free copper conductors, gold-plated plugs, carbon fiber shells and tinned copper braided shielding.
Ampapa A1 Mini 5654 Vacuum Tube Preamp / Phono Turntable Amplifier with Tone Control — read reviewAmpapa's first product: a mini tube preamp at $129.99 that combines an MM phono stage, line preamp and 16-300 ohm headphone amp around JAN5654 tubes, with treble and bass knobs and dual indicator lights.
Ampapa BK1 Aluminum Desktop HiFi Stand for A1/D1/Q1 — read reviewA modular all-aluminum desktop stand for Ampapa A1, Q1 and D1 gear, with ventilated tiers for passive cooling and flexible 3-layer or expanded 2-layer stacking.
Ampapa D1 HiFi TPA3255 Amplifier with Digital VU Meters and HPF — read reviewA TPA3255 amplifier built for 2.1 systems: an adjustable 30-200Hz high-pass keeps bass out of the main speakers, while a full-range PRE-OUT feeds a subwoofer — plus Bluetooth 5.2 and an OLED with 7 VU styles.
Ampapa H1 Class A Headphone Amplifier 4000mW with TRS/RCA Preamp — read reviewA pre-sale discrete Class A headphone amp and preamp built around custom PSVANE x Douk Audio ECC83 tubes, delivering up to 4000mW balanced for 16-600 ohm headphones.
Ampapa Q1 HiFi Desktop DAC with Switchable ESS9039 and AK4493 — read reviewA desktop DAC that lets you switch between ESS9039 for a clean, analytical sound and AK4493 for warmth, with XMOS XU316 USB, Bluetooth 5.2, an OLED screen and a 1000mW headphone jack at $269.99.
Douk Audio Speaker Cable with Banana Plugs & Oxygen-Free Copper — read reviewA terminated speaker cable pair with rhodium-plated banana plugs, 78-strand OFC conductors, and a braided nylon jacket, sized for hi-fi amp-to-speaker runs.
Burson Audio V7 Vivid / Classic Discrete Dual Op Amp (1 Pair) — read reviewA fully discrete dual op-amp pair in DIP8 form, offered in Vivid or Classic voicings, with multi-layer PCB signal isolation and an aluminum shell that doubles as a heatsink.
Ampapa 1/4-Inch TRS to XLR Female Balanced Cable with Oxygen-Free Copper — read reviewA balanced 6.35mm TRS-to-XLR female interconnect sold as a pair, using 40-strand 6N oxygen-free copper, tinned copper braided shielding and carbon fiber-metal composite plugs. 1 m / 3 ft each.
Douk Audio 3.5mm to RCA HiFi Stereo Audio Cable — read reviewA bidirectional 3.5mm-to-twin-RCA stereo cable that bridges phones, tablets and PCs with preamps, amps and DACs, using 6N oxygen-free copper, gold-plated plugs and a braided shield. 1 m / 3 ft.
Douk Audio D5 4-Way Audio Switcher/Splitter with 5-Band EQ Preamp — read reviewA 4-in-1-out switcher and 1-in-4-out splitter with a 5-band equalizer from 80Hz to 10kHz, EQ bypass, a built-in headphone amp and a large analog VU meter with 6-level backlight.
Douk Audio A100 TPA3255 Digital Power Amplifier - Mono/Stereo Bass Amp 300W — read reviewA TPA3255 power amp with four working modes - stereo or bridged mono, bass or full-range - for driving speakers and subwoofers. Up to 315W in mono from the included 48V/5A supply, with Super Bass and SW-FREQ knobs.
Douk Audio A5 PRO TPA3255 Bluetooth HiFi Class D Stereo Amplifier — read reviewA compact class-D power amp on TI's TPA3255 chip with Bluetooth 5.1, bass and treble knobs and a 500mW headphone output, rated up to 300W x 2 into 4 ohms. A tempered glass panel makes op-amp swaps a quick, tool-light job.
Douk Audio A5 TPA3255 Stereo Amplifier with Adjustable High-Pass Filter — read reviewA compact class-D power amp with a TPA3255 chip and a tunable 30-200Hz high-pass filter that keeps low-frequency clutter away from small speakers. Rated 300W x 2 at 4 ohms, with a tempered glass panel for quick op-amp rolling.
Douk Audio G100 Bass Shaker Amplifier for Tactile Transducers and Subwoofers 100W — read reviewA purpose-built bass shaker amplifier with a TPA3116D2 chip, 50W x 2 BTL or 100W x 1 PBTL output, a 50-300Hz low-pass filter and Bluetooth 5.3 plus RCA inputs.
Douk Audio BS-2 30W Bass Shaker — read reviewA 30W tactile transducer that turns low frequencies into physical vibration for gaming chairs, sofas and sim rigs, rated 4 ohm with 50W max input and F0 of 57-63Hz.
Douk Audio BSA-600 230W Bridge Stereo/Mono Bass Shaker Amplifier — read reviewA TPA3255 bass-shaker and subwoofer amplifier with 230W RMS bridged output, wired remote control, and auto standby, built to drive tactile transducers for gaming and home theater.
Douk Audio C100 PRO Mini Digital Audio Player, Hi-Res Music Streamer and Preamp, 384K / DSD — read reviewA mini hi-res player and streamer built around an ESS9038 DAC with 0.0005% distortion and 119dB SNR. Bluetooth 5.0, optical and memory-card inputs feed RCA and balanced XLR outputs, with a retro VU meter up front.
Douk Audio CT1-BOX Dual Bias Current Probe Tester with VU Meters — read reviewA pair of ceramic-socket bias probes plus a dual-meter box for reading power tube cathode current on EL34, KT88, 6L6, 6V6, 6550, KT66 and similar tubes.
Douk Audio D2 15W Linear Power Supply with DC and USB 5V Outputs — read reviewA 15W linear power supply with sub-20uV ripple, one DC and one USB-A 5V output, and a sealed transformer plus LM1085IT regulator for noise-sensitive 5V audio devices.
Douk Audio D2-PRO 35W Linear Power Supply with Dual DC 12V Outputs — read reviewA 35W linear power supply with 28uV ripple, dual DC 12V outputs and 2.5A capacity for DACs, preamps, streamers and other noise-sensitive 12V audio gear.
Douk Audio DAC-Q11 USB DAC with Dual ESS9038Q2M + AK4493 Chips — read reviewA desktop USB DAC with two switchable DAC chips - ESS9038Q2M and AK4493 - so you can flip between robust dynamics and refined tone on the fly. PCM 32-bit/384kHz and DSD256 over USB, with dual OLED screens.
Douk Audio DAC-T1 PRO Tube Stereo Preamp, USB DAC and Bluetooth Receiver with S/PDIF — read reviewA full-featured desktop DAC and tube preamp at $169.99: ESS9028Q2M conversion, QCC5125 Bluetooth with LDAC, USB and S/PDIF inputs, JAN5654 tubes with a bypass function, and an OLED display.
Douk Audio DC Power Supply Adapter, AC 100-240V Transformer — read reviewA regulated DC power adapter family for Douk Audio and Nobsound amplifiers, with 19V to 48V versions rated up to 10A, universal AC 100-240V input and full protection circuitry.
Douk Audio E2 Tube Headphone Amplifier and HiFi Preamp with XLR/4.4mm/6.35mm Outputs — read reviewA tube headphone amp built around a German Valvo ECF801 running at up to 175V, with 2W of output from twin TPA6120 chips. XLR, 4.4mm and 6.35mm jacks cover 16-600 ohm headphones, and it doubles as a dual-input stereo preamp.
Douk Audio EQ5 Mini 5-Band EQ Preamp Equalizer for Home / Car Audio — read reviewA pocket-sized 5-band equalizer at $64.99 built on five JRC4558 op-amps, one per band, with a bypass button for untouched sound, gold-plated I/O and USB-C power for home or car use.
Douk Audio EQ5-TONE Mini 5-Band EQ Equalizer with Bluetooth Receiver and VU Meter — read reviewA 5-band stereo equalizer and preamp with bands at 75Hz through 10kHz, each processed by its own op-amp, plus Bluetooth 5.0 streaming and twin 45mm VU meters. A bypass switch takes the EQ out of the signal path entirely.
Douk Audio EQ7 7-Band Audio Equalizer Preamp with Balanced XLR Output — read reviewA 7-band stereo equalizer and preamp spanning 32Hz to 10kHz with +/-10dB per band, true balanced XLR output converted from RCA, dual VU meters and a volume knob.
Nobsound F2 Single-Ended Class A Tube Amplifier — read reviewA single-ended Class A tube amplifier delivering 9W x 2 into 8 ohm with 5U4G rectifier, 6SN7GT preamp and 6CA7 power tubes, all pluggable for tube rolling.
Douk Audio F3 Class A Single-Ended Stereo Tube Amplifier — read reviewA single-ended Class A tube amplifier delivering 3.2W x 2 through GE 6DK6 driver and Valvo PL84 output tubes, with a real-time spectrum display and a handcrafted wood cabinet.
Douk Audio G7 2.0/4.0 Channel Digital Amplifier — read reviewA dual-TPA3255 power amplifier delivering up to 300W x 2 or 150W x 4, with two sets of speaker outputs for A/B testing or dual zones, XLR/TRS combo and RCA inputs, and retro blue VU meters.
Douk Audio Z1 Gaming Headphone Amplifier with ESS9039 DAC — read reviewA gaming headphone amp and DAC with an ESS9039Q2M chip, 430mW balanced output, XLR and 3.5mm mic inputs with 48V phantom power, and USB audio mixing with voice return.
Douk Audio H5 Tube MM Phono Preamp with Sub Out — read reviewA tube MM phono preamp and line stage with a 20Hz rumble filter, dual RCA outputs and a subwoofer output with 180/250Hz low-pass, built around GE-4BZ6 tubes.
Douk Audio 14AWG OFC Speaker Cable with Gold-Plated Banana Plugs — read reviewA pre-terminated 14AWG speaker cable with gold-plated pure copper banana plugs at both ends, built from tin-plated 4N oxygen-free copper under a braided PVC jacket. Sold as a single run.
Douk Audio HiFi 3.5mm Male to Male Stereo AUX Cable — read reviewA shielded 3.5mm-to-3.5mm stereo AUX cable using 99.99% copper wire, gold-plated connectors and Oyaide silver-bearing soldering, available in lengths from 0.75m to 5m for car or home use.
Douk Audio HiFi Dual RCA to RCA Stereo Cable with Oxygen-Free Copper — read reviewA directional twin-RCA analog interconnect built with 6N oxygen-free copper, tinned copper braided shielding and 24K gold-plated plugs — a simple quality step up for amps, DACs and CD players. 1 m / 3 ft.
Douk Audio F5 HiFi Vacuum Tube Amplifier, Pure Class A Single-Ended Stereo Amp — read reviewA pure Class A single-ended tube amplifier at $459.99: 6L6 output tubes and a 6N1 driver deliver 6W+6W into 4 or 8 ohm speakers, fed by a 150W transformer and a no-feedback ultra-linear output stage.
Douk Audio K5 USB DAC and Headphone Amplifier with Optical D/A Converter — read reviewA five-in-one desktop unit - USB DAC, headphone amp, preamp, SPDIF DAC and USB-to-optical converter - built on an ESS9038Q2M with PCM 384kHz/32-bit and DSD256 support. Dual headphone jacks deliver 560mW at 32 ohms with high and low gain modes.
Douk Audio L1 Mini Stereo Line Level Booster and Audio Preamp, 20dB Gain — read reviewA $39.99 line-level booster that lifts weak sources by up to 20dB with an adjustable gain knob, accepting 3.5mm, RCA and 5-DIN inputs and running from a wide DC 5-24V supply.
Douk Audio L1 MINI Mini Stereo Line Level Booster Audio Preamp with 20dB Gain — read reviewA tiny line-level booster that adds up to 20dB of gain to quiet sources - TVs, phones, MP3 players - so they can properly drive an amplifier or speakers. It runs on any USB phone charger or power bank from the included USB-to-DC cable.
Douk Audio L3 3-Channel Stereo Audio Loop Switcher with VU Meter — read reviewA 3-channel audio loop switcher that doubles as a 3-in-1-out or 1-in-3-out selector, with large color VU meters and remote control.
Douk Audio Lab TX7 Desktop Display with VU Meter, Spectrum Visualizer and Clock — read reviewA desktop VU meter and audio spectrum visualizer with seven meter styles, two spectrum modes and four clock faces, driven by AUX line-in or mic pickup on a 960x320 touchscreen.
Douk Audio M08E Mini FM Radio Tuner Preamp Headphone Amplifier — read reviewA mini all-in-one FM tuner, preamp and headphone amplifier with three selectable FM ranges, treble and bass tone knobs, and a TPA6132 headphone stage in a compact aluminum body.
Douk Audio M1 MAX HiFi TPA3255 Power Amplifier with Bluetooth and U-disk Player — read reviewA compact TPA3255 stereo amp with Bluetooth 5.1, RCA and U-disk playback, rated 300W per channel. Dedicated volume, bass and treble knobs, plus a 3.5mm AUX output for chaining a subwoofer or a second amplifier.
Douk Audio M1FM HiFi TPA3116 Digital Amplifier with Bluetooth 5.1 and FM Radio — read reviewA stereo receiver combining a TPA3116D2 amp (50W x 2 at 4 ohms), Bluetooth 5.1, an FM tuner spanning 76-108MHz and RCA/AUX inputs - all controllable by the included remote. Four pluggable NE5532 op-amps add upgrade potential.
Douk Audio Amplifier Main Unit Only (Power Supply Not Included) — read reviewA main-unit-only listing for eight Douk Audio and Nobsound amplifier models - A5, A5 PRO, ST-01 PRO, NS-13G MAX, M1 PRO, M4, NS-14G and NS-14G PRO - power supply not included.
Douk Audio MC5-BX Mini Stereo 4-Channel Audio Mixer — read reviewA pocket line mixer with four 3.5mm inputs and one 3.5mm output, each channel with its own level knob. Run it in passive mode with no power at all, or active over USB-C for a stronger, amplified mix.
Douk Audio Member Gift Card — read reviewA Douk Audio gift card valid for purchases on the official doukaudio.com store, offered in $100, $300, $500 and $1,000 values.
Douk Audio MX5 Mono/Stereo 4-Channel Audio Mixer — read reviewA compact 4-channel line mixer with per-channel mono/stereo switching, individual volume knobs, and dual-color LED level meters, powered from DC5V.
Douk Audio NS-13G MAX HiFi Mini 2-Channel Amplifier with Phono, 300W x 2 — read reviewA compact TPA3255 power amp with a built-in MM phono stage, so a turntable can plug straight in. It ships with a 48V/5A adapter for up to 300W x 2 into 4 ohms, and adds tone/bypass switching plus a swappable op-amp.
Douk Audio NS-14G PRO HiFi 2.1 Channel Bluetooth TPA3255 Amplifier — read reviewA 2.1-channel amp with two TI TPA3255 chips delivering up to 300W each for left, right and subwoofer, plus QCC304X Bluetooth with aptX/aptX-HD. Dual power sockets and three-sided ventilation keep it running through demanding sessions.
Douk Audio P1 PLUS Bluetooth Tube Preamp, USB DAC and Headphone Amp with VU Meter — read reviewA do-everything desktop hub combining a Bluetooth tube preamp, USB DAC and headphone amp with pluggable VU meters and an OLED screen. The QCC5125 streams LDAC at up to 24-bit/96kHz, while the ESS9018K2M handles PCM 384kHz/32-bit and DSD256 over USB.
Douk Audio P2-FM Magic 6E2 Preamp, Headphone Amp, FM Radio and Clock — read reviewA desktop preamp and headphone amp whose VFD spectrum display and 6E2 magic-eye tubes pulse with the music - it also packs an FM radio, a clock accurate to within one minute a year and a Pomodoro timer. The headphone out suits 32-200 ohm cans.
Douk Audio P2 Mini Bluetooth 5.0 Tube Preamp and USB Player — read reviewA tube preamp, headphone amp and U-disk/TF-card music player in one $73.99 mini chassis, with Bluetooth, RCA in, three-band tone control and a remote.
Douk Audio P5 HiFi Vacuum Tube Headphone Amplifier and Stereo Preamp — read reviewA dual-mono tube headphone amp and preamp with 4.4mm balanced and 6.35mm outputs, a 200V tube stage and a gain switch covering 16-600 ohm headphones. Choose an aluminum or solid walnut chassis; tubes and op-amps both roll without soldering.
Douk Audio P6 MINI Bluetooth Vacuum Tube Preamp with Tone Control — read reviewA palm-sized tube preamp at $49.99 with Bluetooth 5.0, USB-disk and stereo RCA inputs, a 6A2 tube stage, separate treble and bass knobs, and an input selector to end cable swapping.
Douk Audio P7 HiFi Tube Phono Preamp with High-Pass Filter — read reviewA tube phono and line preamp with PSVANE ECC83 tubes run at 180V, MM phono and RCA inputs, a subsonic high-pass filter for vinyl, and both RCA and true balanced XLR outputs.
Douk Audio Q100 AK4499EX + AK4191 Fully Balanced Desktop DAC — read reviewA flagship desktop DAC built on AK4499EX and AK4191 chips with SNR of at least 124dB, balanced XLR and RCA outputs, and support for PCM 768kHz/32-bit and DSD512 across USB, AES, optical, coaxial and LDAC Bluetooth.
Douk Audio Q2PRO Mini Stereo Gaming DAC and Headphone Amp — read reviewA gaming-focused USB DAC and headphone amp with ESS9039Q2M conversion, PCM 32-bit/192kHz, a mic input with separate volume, ±12dB bass control and a 450mW headphone output.
Nobsound Q3 Mini USB DAC, Digital-to-Analog Converter with Coaxial / Optical Inputs and Headphone Amp — read reviewA $52.99 desktop DAC with plug-and-play USB, optical and coaxial inputs feeding RCA and 3.5mm headphone outputs, built on SA9023, CS8412 and 97220 chips with NE5532 tone shaping.
Nobsound Q4 Mini Bluetooth 5.0 USB DAC, S/PDIF Digital-to-Analog Converter, 192kHz — read reviewA compact desktop DAC with Bluetooth 5.0, PC-USB, U-disk, optical and coaxial inputs feeding RCA and headphone outputs, with treble and bass knobs and a mirror-finish metal case.
Douk Audio SP102 Passive Audio Selector / Stereo Switcher for Amplifiers and Speakers — read reviewA fully passive speaker and amplifier selector: no power supply, no signal loss, just a mechanical toggle between two amps or two speaker pairs at up to 200W per channel, with an OFF position that mutes.
Douk Audio ST-01 PLUS HiFi Bluetooth TPA3255 Digital Amplifier with VU Meter — read reviewA mini TPA3255 amp with Bluetooth 5.2, an MM phono input for turntables and a dancing analog VU meter. Rated 300W per channel at 4 ohms, with adjustable bass, treble and VU sensitivity in a slim aluminum shell.
Douk Audio ST-02 HiFi Integrated Bluetooth Tube Amplifier — read reviewA 2.1-ready integrated amplifier combining a DAC, TPA3255 speaker amp, ECC83 tube stage and headphone amp in one chassis, with Bluetooth 5.4 and a dedicated subwoofer output. Listed as a pre-sale item.
Douk Audio T12 Tube Phono Preamp for MM/MC Turntables with Headphone Amp — read reviewA walnut-cased tube phono preamp for MM and MC turntables with a 120V-driven 6J5B-Q tube stage, +/-10dB bass and treble sliders, dual RCA outputs and a headphone jack.
Douk Audio T13 MM Phono Preamp for Turntables with Stereo Headphone Amp and VU Meter — read reviewA phono preamp and headphone amp in one desktop box: MM turntable and line RCA inputs feed gold-plated RCA outputs and a 3.5mm jack that drives 16-300 ohm headphones, with a customizable full-color VU meter.
Douk Audio T14-EQ Mini MM/MC Phono Stage RIAA Preamp — read reviewA tiny MM/MC phono preamp with RIAA-equalized output, treble/bass controls, and a 3.5mm headphone jack, powered over USB 5V.
Douk Audio T4 PLUS Tube Phono Preamp with VU Meter — read reviewHandles both moving-magnet and moving-coil cartridges through seven switchable input impedances, adds JAN5725 tubes and a front VU meter, and drives 32-300Ω headphones.
Douk Audio T4 PRO Mini Tube Phono Preamp and Headphone Amp — read reviewA mini tube phono stage that also works as a line preamp and a 32-300Ω headphone amp, with JAN5654 tubes and RCA and headphone outputs live at the same time.
Douk Audio T6PRO TPA3255 Bluetooth Tube Amplifier with Dual VU Meter, 300W x 2 — read reviewHybrid stereo amplifier that pairs JAN5725 tubes with a TPA3255 Class D power stage for up to 300W per channel, adding Bluetooth 5.1, RCA and AUX inputs, a wide dual VU meter and a super-bass control.
Douk Audio T7 7-Band Equalizer Balanced XLR / RCA Preamp — read reviewA desktop 7-band stereo equalizer and preamp with true balanced XLR and single-ended RCA inputs and outputs, 64Hz-8kHz band control, and a bypass mode for comparing processed and original sound.
Douk Audio T9 6E2 Vacuum Tube Preamp MM/MC Phono — read reviewA vacuum-tube preamp and MM/MC phono stage with magic-eye 6E2 level tubes, RCA and phono inputs, tone controls, and a 3.5mm headphone output.
Douk Audio TUBE-T5C Mini Tube Preamp, 4-Way Selector and Headphone Amp with VU Meter — read reviewA mini tube preamp that doubles as a 4-way RCA source selector, splitter and headphone amp with a glowing VU meter. Its isolated tube stage runs at 180V, and the headphone output delivers up to 500mW at 32 ohms.
Douk Audio U10 Mini Tube Headphone Amplifier and Stereo Preamp — read reviewA mini tube headphone amp that doubles as a preamp: 3.5mm and RCA inputs feed dual 3.5/6.35mm outputs rated at 1100mW to drive 18-600 ohm headphones, with pluggable 6A2 tubes and op-amps for rolling.
Douk Audio U2-PRO-FC XMOS XU316 USB DDC Reclocker (Femtosecond Version) — read reviewA USB DDC/reclocker that converts USB audio to optical, coaxial and I2S for DACs and receivers without USB, built on the XMOS XU316 with Crystek femtosecond clocking. Listed as a pre-sale item.
Douk Audio U2 PRO XMOS XU316 Digital Interface DDC Reclocker — read reviewA palm-sized USB DDC outputting optical, coaxial and I2S simultaneously, with the XMOS XU316 chip handling PCM up to 32-bit/768kHz and DSD512 and a switchable UAC mode for consoles.
Douk Audio U3 Mini Class A Headphone Amplifier for HiFi Desktop and Home Stereo — read reviewA $36.99 mini headphone amp whose output transistor runs in pure Class A from a boosted 26V rail, delivering 1300mW or more into 32 ohm with a pluggable NE5532 op-amp for DIY rolling.
Douk Audio U3 PRO HiFi Mini Class A Headphone Amplifier for Desktop Use — read reviewA palm-size Class A headphone amp that boosts a DC 5V supply to ±14V internally and outputs up to 1500mW into 32 ohms. RCA and 3.5mm inputs feed 3.5mm and 6.35mm jacks for headphones from 18-600 ohms.
Douk Audio U5 Mini Fully Balanced Headphone Amplifier for XLR and 4.4mm Headsets — read reviewA mini fully balanced headphone amplifier that runs its circuit at 24V from a 5V input, delivering 1400mW into 32 ohms for headphones from 18 to 600 ohms, with XLR and 4.4mm outputs.
Douk Audio U5PRO HiFi Fully Balanced Headphone Amplifier for XLR and 4.4mm Headsets — read reviewA fully balanced desktop headphone amp that runs its output stage at ±14V from a plain DC 5V supply, delivering up to 1500mW into 32 ohms. XLR inputs feed XLR or 4.4mm balanced outputs for 18-600 ohm headphones.
Douk Audio VFD253 3.5mm AUX Switcher Box, VFD Audio Analyser and Bluetooth Receiver with Desk Clock — read reviewThree devices in one desktop box: a 25 x 15 VFD music spectrum analyser covering 80Hz-16kHz, a Bluetooth 5.0 receiver and switcher with two 3.5mm AUX inputs, and a clock accurate to within a minute a year.
Douk Audio VFD253-PRO 4-Channel Audio Selector with Music Spectrum Display — read reviewA 4-channel RCA audio selector and splitter with a 25x15 VFD music spectrum display, line-in or mic audio sensing, remote control and a built-in clock.
Douk Audio VU102 2-Zone Amplifier / Speaker Selector Box with VU Meter and IR Remote — read reviewA speaker and amplifier selector that switches between two amps or two pairs of speakers without re-plugging cables, passing up to 200W per channel with full channel isolation and a large 72 x 32mm VU meter.
Douk Audio VU22 Dual Analog VU Meter with MIC and LINE Inputs — read reviewDual 45mm analog VU meters in a CNC-machined metal case, fed by stereo RCA, 3.5mm AUX or microphone pickup. Gain, backlight color and level are all adjustable, and the 100K input leaves the signal untouched.
Douk Audio VU360 Analog VU Meter and Music Spectrum Visualizer — read reviewA dual-needle analog VU meter with a built-in microphone and a line input, offering adjustable color, brightness, gain and sensitivity — a retro desk showpiece that dances to music, games and movies.
Douk Audio VU3PRO Amplifier and Speaker Selector with VU Meter, 2-In-2-Out — read reviewA 2-in/2-out switcher for comparing two amplifiers and two pairs of speakers without replugging cables, passing up to 350W. Dual large VU meters with 35 backlight colors and a mic pickup option turn it into a visual centerpiece too.
Douk Audio VU9MINI RGB Tube Sound Level Meter and Music Spectrum Display — read reviewA nixie-tube-style RGB level meter with a built-in microphone, 8 display modes and magnetically attached tubes, powered over USB-C — plug-and-play desk lighting that moves with the music.
Douk Audio X1 Bluetooth 5.0 Vacuum Tube Amplifier 160W x 2 — read reviewA $139.99 desktop tube amplifier with 160W + 160W of TDA7498E power, an MM phono input for turntables, aptX-HD Bluetooth and a subwoofer output for 2.1.
Douk Audio G4 100W Mono Digital Amplifier — read reviewA 100W mono class-D amp with a switch that moves it between subwoofer and full-frequency duty, built on TPA3116 and two NE5532 op amps.
Douk Audio M1 PRO Bluetooth 5.0 Amplifier 160W x 2 — read reviewA 160W x 2 desktop amplifier with TDA7498E power, Bluetooth 5.0, RCA and U-disk inputs, tone controls and a low-frequency output for an active subwoofer.
Nobsound G2 Mini 100W Mono Digital Amplifier — read reviewA $36.99 mono class-D amp with a four-level gain switch and adjustable bass cutoff, usable as either a 100W subwoofer amp or a full-frequency amp.
Nobsound G2 PRO 300W Mono Digital Power Amplifier — read reviewA 300W mono class-D amp on the TPA3255D2 with a subwoofer/full-range switch, adjustable 40-300Hz bass cutoff and a 32V/5A supply included.
Nobsound P32 Mini Vacuum Tube Headphone Amplifier and Desktop Preamp — read reviewA mini vacuum-tube headphone amp that doubles as a desktop preamp, outputting up to 1000mW for 24-600 ohm headphones with swappable 6J5 tubes and NE5532 op-amps.
Nobsound NS-10G Mini Bluetooth 5.0 Digital Amplifier 50W+50W — read reviewA palm-sized TPA3116 amplifier rated 50W x 2 with Bluetooth 5.0, USB and AUX inputs, a dedicated bass boost button, and an aluminum case weighing just 105 grams.
Nobsound NS-10G PRO Mini Bluetooth 5.0 Digital Amplifier with DSP — read reviewAn upgraded mini amp built around a TPA3221 chip rated at 100W x 2, with Bluetooth 5.0 + EDR + DSP reaching 15m, a deliberately volume-knob-free circuit path, and gold-plated binding posts.
Nobsound NS-13G Mini 2.0 Channel Digital Amplifier for Home / Desktop Audio, 100W+100W — read reviewA straightforward wired mini amp: dual TPA3116D2 chips rated at 100W+100W, stereo RCA input, treble and bass knobs with bypass, and a 19V supply in the box driving 4-8 ohm speakers.
Nobsound NS-15G Mini Bluetooth 5.0 Digital Amplifier with TPA3116 Chips, 100W+100W — read reviewA 320g mini amplifier with dual TPA3116D2 chips rated at 100W+100W, Bluetooth 5.0 input reaching 50ft, treble and bass knobs with a tone bypass, all in a CNC-machined aluminum case.
Nobsound NS-20G Mini Bluetooth 5.0 Digital Amplifier and Headphone Amp, 100W+100W — read reviewA two-in-one mini amp: two TPA3116 chips drive 100W x 2 into speakers while a 3.5mm jack handles 15-32 ohm headphones, with Bluetooth 5.0 + DSP reaching 15m and a dynamic volume LED display.
Douk Audio VU3 Dual Analog VU Meter and 2-Way Amplifier / Speaker Switcher Box — read reviewAn original Douk Audio design that combines dual 60 x 35mm analog VU meters with a 2-way amplifier and speaker switcher, handling up to 300W per channel through isolated banana-jack channels.
Nobsound R21J Cartridge Headshell Keeper and Stylus Display Box — read reviewA display and storage box for up to 10 phono cartridges, pairing a transparent plastic cover with a beech and solid wood base — a tidy way to keep a headshell collection visible and protected.
Nobsound R21K Turntable Cartridge Alignment and Tuning Kit — read reviewAn all-in-one vinyl setup kit with a stylus force gauge, alignment protractor, VTA azimuth ruler, five spirit levels, two brushes, screws, tweezers and cartridge cables, in a silver storage box.
Nobsound M5.1 5.1 Channel Bluetooth Home Theatre Amplifier — read reviewFront, surround, center and subwoofer channels in one compact box, with Bluetooth 5.0, optical, coaxial, USB and 5.1 RCA inputs for a mini home cinema rig.
Douk Audio M4 Bluetooth 5.0 Four-Channel Amplifier 50W x 4 — read reviewA four-channel class-D amp quoted at 50W per channel for multi-room or four-speaker setups, with Bluetooth 5.0, dual RCA and U-disk inputs and per-channel volume.
HiFi Pure Brass Turntable Platter Mat for Vinyl LPs, 2mm — read reviewA 1.2kg H59 brass platter mat, CNC laser cut to 293mm with a 2mm profile. It aims to resist static, damp resonance and rumble, and sharpen mid and low frequency definition under the record.
Little Bear 50/60Hz Stroboscopic Strobe Light with Turntable Tachometer Disc — read reviewA 3W LED strobe plus a printed tachometer disc for checking 33.3 and 45 RPM on a turntable, running from a low-voltage 15VAC supply.
Little Bear MC3 3-In-3-Out XLR and RCA Audio Selector — read reviewA passive switcher with two stereo XLR and one stereo RCA input each way, converting between balanced and unbalanced so you can compare sources or amps.
Little Bear MC103 PRO XLR Balanced Passive Selector (1-In-3-Out or 3-In-1-Out) — read reviewAn all-XLR passive splitter sold in two versions: 3 inputs to 1 output or 1 input to 3 outputs, so you can switch sources or compare three amps.
Douk Audio VU56PRO MIC + LINE Dual-Channel LED Sound Level Meter and Music Spectrum Visualizer — read review112-bit stereo LED level meter with 56 segments per channel, switchable PPM and VU modes, green or red display color, 8 effects and a remote, doubling as an RCA / 3.5mm audio splitter.
Matched Pair 7-Pin GE JAN 5654W Vacuum Tubes (6AK5/6J1/EF95 Upgrade) — read reviewA tested and matched pair of low-noise, US-made GE JAN 5654W 7-pin tubes — mil-spec stock that drops into 6AK5, 6J1, 6J1P and EF95 sockets as a premium upgrade.
Douk Audio VU2 MIC + LINE Dual Analog VU Meter and 4-Way Audio Splitter Switcher Box — read reviewA dual analog VU meter and 4-way RCA splitter in one: run 4-IN-1-OUT to compare sources or 1-IN-4-OUT to feed four destinations, with microphone pickup, gain and delay tuning, and a remote.
Nobsound Aluminum Spring Speaker Spikes and Isolation Stand Feet for HiFi Amplifier / CD Player — read reviewSpring-based isolation feet for speakers, amps and CD players: CNC-machined aluminum alloy bodies with tunable springs and anti-skid rubber, damping vibration up to a 50kg load.
Nobsound AV-525 HiFi Bluetooth 5.0 Vacuum Tube Amplifier with Coaxial, Optical and USB Inputs — read reviewA 100W-per-channel integrated tube and transistor amplifier with five input types, a dedicated subwoofer output for 2.1 systems, dual VU meters and a status display in a vintage-styled chassis.
Nobsound DA3 HiFi Bluetooth Tube Amplifier with Coaxial, Optical and USB Inputs — read reviewAn integrated tube amplifier rated 35W x 2 at 4 ohms, with two 6J1 tubes in the preamp stage, Bluetooth, USB, coaxial, optical and dual RCA inputs, plus a headphone output and a pre-out for subwoofers.
Nobsound EQ9 HiFi 9-Band Stereo EQ Preamp — read reviewA 9-band analog equalizer preamp with ±6dB per band, dual RCA in/out pairs, a bypass switch, and a balance control, in a shielded aluminum case.
Nobsound G3 Mini Bluetooth Digital Amplifier with Tone Control — read reviewA 55W x 2 mini amplifier with a TPA3116 chip, Bluetooth 5.0 and RCA inputs, a pre-out for 2.1 setups, and independent bass and treble controls.
Nobsound DA7 HiFi Vacuum Tube Power Amplifier with Bluetooth, RCA and USB Inputs — read reviewA pure tube power amplifier with four 6P1 output tubes and three 6N1 driver tubes, rated 12W x 2 into 4 ohms, with Bluetooth 5.3, USB 3.0, dual RCA inputs and twin analog VU meters.
Nobsound M10 Mini TPA3255 Digital Amplifier with Bluetooth and USB — read reviewA palm-sized TPA3255 amplifier rated up to 300W x 2 for 4-8 ohm speakers, with Bluetooth 5.4 (aptX-HD, aptX-Lossless, LDAC), USB-C and AUX inputs, plus treble and bass knobs.
Nobsound NS-01G MAX Mini Bluetooth Power Amplifier 2.0 Channel 100W+100W — read reviewA super-mini TPA3221 amplifier rated up to 100W+100W under a 24V/8A supply, with Bluetooth 5.0 and AUX inputs and a pre-out for subwoofers, active speakers or a second amp.
Nobsound NS-01G PRO Mini Bluetooth 5.0 Amplifier 50W x 2 — read reviewA 50W x 2 mini amplifier on the TPA3116 chip with Bluetooth 5.0, USB and 3.5mm AUX inputs, sold in five colours with or without a power supply.
Nobsound NS-02G PRO Single-Ended Class A Stereo Amplifier — read reviewA single-ended Class A stereo amplifier rated 30W x 2 into 8 ohm (42W x 2 into 4 ohm), with Toshiba transistors, a 150W toroidal transformer and 40,000uF of capacitors.
Nobsound NS-03G SUB 100W Mono Subwoofer Amplifier — read reviewA palm-size mono class-D subwoofer amp on the TPA3116D2 with a TL072 op amp, quoted at 100W into 4Ω with a 20-180Hz range and a 3.5mm input.
Nobsound NS-04G PRO Mini Stereo Amplifier 100W x 2 — read reviewA bare-bones stereo power amp with a stereo RCA input and 100W + 100W of TPA3116D2 class-D power into 4-8Ω speakers for $56.99.
Nobsound NS-05P PRO HiFi XLR Balanced / RCA Audio Converter — read reviewA bi-directional, fully differential converter that turns RCA into true balanced XLR and XLR back into RCA, with two independent paths — each with its own volume knob — to remove hum and ground-loop noise.
Nobsound NS-06G Mini TPA3116 Class D Digital Amplifier — read reviewA mini Class D amplifier with the TPA3116 chip delivering up to 60W x 2, standard RCA input and banana speaker outputs, and a DC 19V adapter included.
Nobsound NS-10P Mini Vacuum Tube Stereo Preamp with Treble and Bass Control — read reviewA mini vacuum tube stereo preamp with two 6J1 tubes, independent treble, bass and volume controls, and a pure Class A tube stage adding 1.5-2x gain to digital or hybrid systems.
Nobsound NS-14G Bluetooth 2.1 Channel Power Amplifier — read reviewA compact 2.1-channel TPA3116 power amp with Bluetooth and RCA inputs, a dedicated subwoofer channel, and full tone/subwoofer level controls.
Nobsound NS-21G Mini Mono Channel Amplifier for Subwoofers and Bass Shakers — read reviewA compact 100W mono amplifier for passive subwoofers and bass shakers, using a TPA3116 chip with a 20-160Hz adjustable low-pass filter and RCA plus AUX inputs.
Douk Audio P1 Bluetooth 5.0 Vacuum Tube Preamp, USB DAC and Headphone Amplifier — read reviewA mini desktop box that works as a tube preamp, a 24-bit/192kHz USB DAC and a headphone amp, with Bluetooth 5.0 aptX-HD and a bypassable treble/bass tone stage.
Nobsound P10 Mini HiFi Headphone Amplifier and Preamp — read reviewA mini desktop headphone amp delivering up to 1100mW into 32 ohms for headphones from 24 to 600 ohms, with RCA and 3.5mm inputs, 6.35mm and 3.5mm outputs, and pluggable NE5532 op-amps.
Nobsound P10 PRO HiFi Portable Tube Headphone Amplifier — read reviewA battery-powered portable tube headphone amp using Raytheon JAN6418 direct-heating tubes, with 8-10 hours per charge over USB-C and swappable tubes and op-amps behind a visible top window.
Nobsound Q10 Bluetooth 5.0 Digital Amplifier with AUX and Optical Inputs, 100W — read reviewA palm-sized 116g Class D power amp with a TPA3221 chip rated at 100W per channel, Bluetooth 5.0 plus AUX and optical inputs, and all three cables included. One knob handles power, input switching and volume.
Nobsound STB-02 Aluminum Record Weight Clamp and Turntable Disc Stabilizer — read reviewAn aluminum record weight at $29.99 that presses records flat on the platter: 460g of non-magnetic metal with oxidation and laser engraving, a soft base pad, and a protective carry case.
Nobsound T3 MM Phono Preamp for Turntables and Record Players — read reviewA compact MM phono stage that lifts a turntable's signal to line level for $44.99, with a volume control, gold-plated RCA terminals and a shielded metal case.
Douk Audio T3 PRO Mini Tube MM Phono Stage Preamp — read reviewA $59.99 mini phono stage that adds a pair of 6A2 tubes and a four-position gain switch to MM cartridge handling, and doubles as a 3.5mm AUX tube preamp.
Nobsound TA-21 Mini Bluetooth 5.0 DSP Amplifier with TPA3221 — read reviewA palm-size class-D amp on the TPA3221 chip, quoted at up to 100W per channel with Bluetooth 5.0 DSP, a 3.5mm AUX input and a digital volume display.
Nobsound TONE Mini Bluetooth Stereo Amplifier — read reviewA 50W x 2 mini power amp using the TPA3116 chip with Bluetooth and AUX inputs, an infinite-rotation encoder knob and a compact aluminum build with a DC 19V adapter included.
Nobsound TUBE-T4C HiFi Stereo Vacuum Tube Preamp — read reviewA compact Class A tube preamp with stereo RCA in and out, swappable 6J5 tubes and independent bass and treble knobs — an affordable way to add tube warmth ahead of a power amp or active speakers.
Nobsound STB-01 Record Weight and Turntable Disc Stabilizer — read reviewA 230g gold-plated zinc alloy record weight that presses LPs onto the platter to damp resonance and steady rotational speed. Available in gold or silver.
Nobsound VOL-3 Mini Passive Preamp with Variable Audio Attenuator — read reviewA palm-size passive volume controller that sits between your DAC and powered speakers - no power, no gain, no added coloration. A smooth ALPS A50K potentiometer and 24K gold-plated oxygen-free copper RCA terminals do the work.
Nobsound VOL-3/V1-XLR HiFi Passive Preamp RCA/XLR Volume Controller — read reviewA no-power passive preamp that adds smooth volume control to a hi-fi chain without any gain or powered circuitry. Pick the RCA (VOL-3) or XLR (V1-XLR) version; a quad-gang ALPS potentiometer keeps the channels balanced.
Nobsound VU1-W 4-in-1-Out Audio Switcher with VU Meter — read reviewA 4-input audio switcher with dual VU meters in a pure walnut wood case, offering treble and bass control, a headphone output, mic-pickup metering and a remote.
Douk Audio S4 Dual 4-Inch 2-Way Passive Bookshelf Speakers — read reviewA pair of passive 2-way bookshelf speakers, each cabinet using dual 4-inch Nomex mid-bass drivers and a 25mm silk dome tweeter, rated 50W AES at 4 ohm with bi-wire/bi-amp terminals. Listed as a pre-sale item.
Douk Audio TX1 Word Clock with 9 Display Modes and Music Spectrum — read reviewA pre-order desk clock that shows time in readable words or digital, with 9 display modes, a sound-reactive spectrum, 7 color styles and RX8025-T accuracy within 30 seconds per year.
Douk Audio VOL-4 Stereo Volume Controller with Remote — read reviewAn inline stereo RCA volume controller that adds remote control of volume, tone, power and mute to fixed-output DACs, streamers and amps, with an OLED display and 0.001% THD+N. Listed as a pre-sale item.
Douk Audio VU2-PRO 4-Way Audio Selector with Analog VU Meter — read reviewA pre-sale 4-way RCA audio selector and splitter with calibrated dual analog VU meters, letting you route up to four sources or feed four outputs - plus metered XLR pass-through.
Douk Audio VU3-PLUS 2-Way Amplifier/Speaker Selector with Power VU Meter — read reviewA pre-sale 2-way amplifier and speaker selector that keeps two amps and two pairs of passive speakers connected, with analog VU meters that show real amplifier output in watts.
Sparkos Labs SS3602 Discrete Dual Op Amp (1PC) — read reviewA true dual discrete op-amp in a DIP8-compatible package with a Class A biased output stage, 140dB open-loop gain and gold-plated pins for upgrading IC op-amps.
Douk Audio BS-1 HiFi 50W Bass Shaker Subwoofer Transducer — read reviewA tactile bass transducer that turns sofas, gaming chairs and car seats into body-shaking low-frequency sources. The 2025 upgraded BS-1 pushes 50W at 6 ohms with a redesigned heat sink and chrome-plated pure copper terminals.
Douk Audio T8PRO 7-Band EQ Tube Preamp with XLR Pre-Amplifier and Tone Control — read reviewLine preamp with a genuine 7-band equalizer (50Hz-16kHz), balanced XLR and RCA inputs and outputs, a balance control and a pluggable Soviet 6H1N-BN tube stage for warm, rollable tube tone.
Douk Audio U2 XMOS XU316 USB to SPDIF Digital Interface — read reviewA pocket-sized USB-to-S/PDIF converter that turns USB audio from a PC, phone or Raspberry Pi into simultaneous optical and coaxial outputs, using the XMOS XU316 chip up to 24-bit/192kHz and DSD64.
Douk Audio VU9 Pixie Tube Sound Level Meter with MIC Pickup — read reviewDesktop sound level meter that recreates the Nixie tube look with simulated LED glass tubes. Feed it over 3.5mm AUX or let the mic pick up the room, then tune nine display modes, full color, speed and brightness.