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Nobsound NS-06G TPA3116 Class D Amplifier Review

A 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.

3.5Editorial rating: 3.5 out of 5Editorial rating · research-basedUpdated October 25, 2026
$42.99Price checked November 4, 2026
Check price at Douk Audio

Our verdict

The NS-06G is a $42.99 mini amplifier that strips things back to the essentials: a TPA3116 Class D chip with up to 60W x 2, stereo RCA input, banana speaker outputs and a DC 19V adapter in the box. It suits TV sound upgrades, desktop audio and bookshelf speakers, with listed figures of 0.04% THD+N and 101dB-plus SNR, all in a full metal case with gold-plated terminals. There is nothing extra - no Bluetooth, no tone controls, no remote - which is either its charm or its limitation, depending on what you want.

Best for
Buyers who want a simple, affordable mini amp to power bookshelf or desktop speakers from an RCA source with zero setup fuss.
Skip if
You want Bluetooth, tone controls or a remote, need digital or 3.5mm inputs, or expect headphone and subwoofer outputs.

Why 3.5/5: The page gives power, distortion, noise, sensitivity, size, weight and a packing list with an adapter included, for $42.99. Held back by a modest 60W x 2 with no load or supply behind it, no controls named beyond 'minimal', and no Bluetooth or tone controls.

The Nobsound NS-06G is a mini Class D digital amplifier priced at $42.99. It is an entry-level power amp for passive speakers, designed around the classic TPA3116 chip to deliver clear, dynamic and efficient sound with up to 60W x 2 - enough for most bookshelf and desktop speakers.

Connectivity is deliberately standard: stereo RCA input and banana speaker outputs, matched to 4-8 ohm speakers, with an RCA input sensitivity of 1V. That makes it easy to hook up a TV, PC, DAC, CD player or other audio device for a clean, reliable system, whether you are upgrading desktop audio, powering bookshelf speakers or enhancing TV sound. Listed performance is 0.04% THD+N, 101dB or better SNR and a 20Hz-20kHz frequency response within +/-1.3dB.

There is no setup friction: the NS-06G comes with a DC 19V power adapter, so you can connect and play, running on DC 12-24V if you prefer another supply. Controls are minimal by design - pure function, as Nobsound puts it - with no tone knobs, Bluetooth, remote or extra features. The ultra-compact 90 x 105 x 30mm case fits tight spaces like desks, shelves or media centers, and the full metal case and gold-plated terminals are built for daily use. If you want tone control or wireless input, step up within the range; if you want a straightforward amp, this is it.

Specifications

SpecPage says
Brand and modelNobsound NS-06G
Audio inputStereo RCA
Audio outputBanana speaker jacks
Max. output power60W*2
Frequency response20Hz-20KHz (±1.3dB)
THD+N0.04%
SNR≥101dB
Matched speaker impedance4-8Ω
RCA input sensitivity1V
Input voltageDC 12-24V
Net weight340g / 0.75lb
Package weight700g / 1.54lb
Dimensions (W*D*H)90*105*30mm / 3.54*4.13*1.18in
Package dimensions (W*D*H)205*180*55mm / 8.07*7.08*2.16in
Packing listNS-06G amplifier ×1, DC 19V power adapter ×1, user manual ×1

How it compares

The NS-06G is the plain wired option at the low end of this type. The Nobsound G3 Bluetooth Amplifier with Tone Control review ($49.99, $7.00 more) shares its 90 x 105 x 30mm footprint and a TPA3116 chip rated 55W x 2, and adds Bluetooth 5.0, tone controls and a 1.8V Pre-Out, but prints a weaker 0.1% THD+N and an SNR of 86dB or better, against 0.04% and 101dB here. The Nobsound NS-13G 2.0 Channel Amplifier 100W+100W review ($54.99, $12.00 more) also takes RCA only, but lists two TPA3116D2 chips rated 100W+100W above 24V at 8A and tone control with bypass, in a slimmer 82 x 108 x 27mm case; its page offers the amp with or without a 19V/4.74A adapter, where the NS-06G page lists a 19V adapter in the box and no option.

For more power on a wired source, the Nobsound NS-04G PRO Stereo Amplifier 100W x 2 review is rated 100W+100W with a volume knob, a built-in preamp stage and a printed THD of 0.01% or less, but its adapter is optional: the review's $46.99 is the Without Power Adapter option, and the $56.99 option the page opens on includes the adapter. The NS-06G suits a TV, PC or DAC feeding bookshelf speakers where a plug-in adapter and no setup matter most; skip it if you want Bluetooth, tone controls or a rating that names a supply voltage.

Shipping, returns and warranty

  • Shipping: Douk Audio's current shipping page says orders are generally processed no later than the next business day and arrive in 2-8 business days, with duties, taxes and customs fees included in the checkout price unless noted otherwise.
  • Older shipping terms are still online: airmail at 10-25 days for parcels under 2 kg, DHL, UPS or FedEx at 5-8 days above that, and a line saying the store is not responsible for import duties. Check the delivery estimate and any duties at checkout.
  • Returns: ask within 30 days of delivery and wait for approval before sending anything; an approved return has to ship within 7 days. Items need all packaging and accessories and no excessive wear, or the store can refuse them or refund part of the price. Refunds go to the original payment method after inspection.
  • Not refunded: original and expedited shipping, duties, taxes and customs charges, unless the law requires it or the store made the error. The return page does not say who pays return postage, and the older refund page excludes mistaken orders and change-of-mind returns from free after-sale service.
  • Warranty: 24 months from purchase for manufacturing defects, with free repair, a replacement unit and free shipping both ways for covered repairs. Drops, liquid, DIY repairs, lightning, extreme temperatures and misuse are excluded (partial fees may apply), and damage from weak packing on the way back may not be covered. The older refund page still says 1 year.
  • Seller: the site is run by Shenzhen Anba Technology Co., Ltd (Shenzhen, China) and HONGKONG LONGSHENG Import and Export Trading Co., Limited (Hong Kong); support is by email at [email protected]. These terms cover orders placed on doukaudio.com; other sellers apply their own.

For this product, the page lists US, UK, EU, AU and Other under 'Shipping to' and shows Free Shipping, 2-8 Days Arrival, 30-Day Return and 2-Year Warranty badges near the price.

What we liked

  • TPA3116 Class D chip delivers clear, dynamic sound with up to 60W x 2 for bookshelf and desktop speakers
  • Standard RCA input and banana speaker outputs make it easy to connect a TV, PC, DAC or CD player
  • Plug-and-play simplicity - the DC 19V power adapter is included, so there is no setup hassle
  • Compact footprint fits desks, shelves and media centers, with a full metal case and gold-plated terminals for durability
  • Strong listed figures for the price: 0.04% THD+N, 101dB-or-better SNR and a 20Hz-20kHz response within +/-1.3dB

Worth noting

  • Minimal controls and pure function - no tone controls, Bluetooth, remote or other features beyond amplification
  • Input options are limited to stereo RCA, with no digital, optical, 3.5mm or wireless connections
  • No headphone or subwoofer outputs are listed

Questions before you buy

What speakers can the NS-06G drive?

Speakers matched to 4-8 ohm impedance; the amp is rated for a maximum output of 60W x 2 and suits most bookshelf and desktop speakers.

What connections does it offer?

Stereo RCA input and banana speaker jacks. There are no digital, optical, 3.5mm or wireless inputs.

What is included in the box?

One NS-06G amplifier, one DC 19V power adapter and one user manual.

How much power does it output?

A maximum of 60W x 2 from the TPA3116 chip, with listed performance of 0.04% THD+N and 101dB or better SNR.

Sources & verification

What this review is based on and the day we last read it. Specs and claims from the maker are the maker’s own; the verdict and the rating are ours.

From the store

  • Douk Audio product pagePrice $42.99, features, parameters (60W x 2, THD+N, SNR, sensitivity, 12-24V input, size, weights) and the packing list with a 19V adapter.Read October 25, 2026
  • Douk Audio shipping policyOrders are generally processed no later than the next business day, 2-8 business days in transit, duties, taxes and customs fees included at checkout unless notedRead October 25, 2026
  • Douk Audio older shipping policyOlder terms still online: airmail 10-25 days under 2 kg, DHL/UPS/FedEx 5-8 days above, store not responsible for import dutiesRead October 25, 2026
  • Douk Audio return and refund policy30 days from delivery with prior approval, ship back within 7 days; shipping, duties and taxes not refunded unless the store erredRead October 25, 2026
  • Douk Audio older refund policyOlder terms still online: 30-day free return or refund and a 1-year warranty; mistaken orders and change of mind are excludedRead October 25, 2026
  • Douk Audio 24-month warranty page24 months from purchase for manufacturing defects: free repair, replacement unit and two-way shipping for covered repairs; lists exclusionsRead October 25, 2026
  • Douk Audio contact pageSite run by Shenzhen Anba Technology Co., Ltd and HONGKONG LONGSHENG Import and Export Trading Co., Limited; support emailRead October 25, 2026

What we couldn’t verify

  • Up to 60W x 2 is given with no load, supply voltage or distortion level; the page asks for DC 12-24V and ships a 19V adapter without a current rating or plug type.
  • THD+N 0.04%, SNR 101dB or better and a 20Hz-20KHz (±1.3dB) response carry no test conditions.
  • The page says 'minimal controls' but does not name a volume knob, power switch or input selector.
  • 'High-fidelity output' and 'rich and immersive sound' are page descriptions with no measurement behind them.

Spotted an error or something out of date? Tell us and we’ll fix it and update the date.

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