HAKUGEI 2.5mm and 3.5mm DAC Adapter Review

Two versions of this adapter are listed: 2.5 + 3.5 to Type-C at $24 and 2.5 + 3.5 to Lightning at $26. The page text gives no specification list as text, so the spec figures here come from its pictures, which list an ALC5686 decoding chip and 30mW dual channel@32ohm for the Type-C version, and a C100 chip with 16.8mW@30 ohm for the Lightning version. The pictures label two sockets on each version, Plug3.5 and Plug2.5.

Specifications

Options and pricing

Two options are listed, both orderable when the page was read: 2.5 + 3.5 to Type-C at $24 and 2.5 + 3.5 to Lightning at $26. The pictures give each version its own chip, output power, sample rate and weight, so the two options are not one specification at two prices. The pictures read for this review give no in-the-box list.

How it compares

The HAKUGEI Apple Android Adapter -TypeC / Lightning to 4.4mm Converter is also from $24 and its store title names 4.4mm where this adapter's store title names 2.5mm and 3.5mm, so the choice follows the plug on your earphones. The DAC Decode 4 Pin Male XLR To 2.5/4.4mm Female Carbon Fiber Converter is from $45.59 and its name and spec line mention XLR and 2.5/4.4 but not Type-C or Lightning, so it suits an XLR 4 Pin connection where this adapter suits a Type-C or Lightning port.

Shipping, returns and warranty

HiFiGO sells from hifigo.com and says every order leaves its warehouse in China, usually 1-3 business days after it is placed, and says its delivery times are estimates, not promises. Its shipping policy gives the United States 1-2 weeks (about 10 days on average) by Priority and 6-10 days by Premium, both with duties and taxes prepaid by the store; Canada 2-3 weeks; the United Kingdom 1-2 weeks; and Australia 10-15 days. Express couriers (DHL, UPS, FedEx) take 3-7 days, but then the buyer pays any duties and taxes. No shipping page names New Zealand, PO boxes are not accepted, and the free-shipping thresholds differ between the store's own pages, so check the cart. One of its two shipping pages adds that a lost parcel on an order above $50 gets only a 50% refund. A US buyer reported a $40 tariff charge in August 2025, after which HiFiGO said it had added a customs notice at checkout.

Read the return terms before you order. The homepage advertises 7-day returns. Both of HiFiGO's policy pages offer a 7-day dead-on-arrival cover (a replacement or a full refund, with the return postage refunded) and also describe 30-day returns, but a request made 7 to 30 days after delivery loses 30% of the MSRP as a restocking fee (10% more if the packaging is incomplete), plus shipping both ways and duties, and the FAQ on the same pages says there is no refund or exchange once 7 days have passed. One version recommends reselling an opened product locally. Custom IEMs and custom cables cannot be returned, no return address is published, and buyers describe sending items back to China.

HiFiGO's warranty runs one year from the order date for parts and labor; its policy names desktop DACs and amps, IEMs and dongles at one year and gives cables and adapters three months. HiFiGO decides between repair and replacement, the buyer pays the shipping, and faulty items go back for service, not for a refund. Claims go to [email protected], the only contact the store lists: its pages name no company, street address or phone, and its terms are governed by the laws of China.

On Trustpilot, HiFiGO had 4.6 out of 5 from 378 reviews when we checked on 2026-10-28 (91% five-star, 5% one-star), and it had replied to about 75% of negative reviews; Trustpilot notes the store has not invited customers to review recently. The one-star reviews mostly concern the short return window and the deductions on returns, items listed in stock that turned out back-ordered, slow email support and a tariff charge on a US delivery in 2025. HiFiGO says its products are genuine and come in the brands' retail packaging; it does not claim to be an authorized dealer.