Guides
Do You Need a 3.5mm Extension Adapter? KEYSION J2, a Cheap Fix
3.5mm male-to-female extension adapter, stainless steel painted shell, gold-plated contacts. Solves three little problems: deep holes that won't fit, protective case obstructing, and earphone cable too short.
Do You Need a 384kHz Gaming Headset? G-Turbo X1 for Mobile Gaming, Tested
Custom chip, dual microphone, EQ tuning, Type C plug and play, CNY 99 (USD 15). A wired esports headset for mobile gamers and players on both mobile and PC.
Does an AUX Cable with a DAC Chip Improve Car Stereo Sound? H-Turbo S1, Tested
Type C phone direct output to 3.5mm TRRS, custom chip decoding, 8×49 silver-plated oxygen-free copper wire body. The S1's use cases are clear: car AUX, powered speakers, old headphones. For CNY 59 (USD 9), it completes the last segment of analog input.
Can a Budget Type-C Balanced Dongle Sound Good? H-Turbo S2, Tested at Entry Level
Custom chip, silver-plated OFC 8x49-strand body, 3.5mm balanced output and EQ support. The S2 turns a DAC into a cable - the cheapest meaningful upgrade for phone + IEM listeners.
Your First Portable DAC: What to Look For, and What KEYSION 01 Offers
CNY 219 (USD 33), PCM 384kHz, DSD256 hardware decoding, 0.85μV ultra-low noise floor. If you only need a clean source for a pair of IEMs, the 01 spends your budget where it matters.
361mW in a Dongle: What Can It Really Drive? KEYSION 02, Measured
361mW power, PCM 768kHz, DSD256, specs same as the top-tier 02 Pro, CNY 150 (USD 23) cheaper. The 02 is the safest choice for those who mainly use IEMs and occasionally drive full-size headphones.
Can a 551mW Dongle DAC Drive Full-Size Headphones? KEYSION 02 Pro, Tested
With 551mW power, PCM 768kHz, DSD256 hardware decoding, dual outputs at -0.0008% distortion, the 499-yuan 02 Pro targets those who "don't have a desktop amp but want to drive full-size headphones well."
The OTG Cable Matters More Than You Think: KEYSION Dual Type-C, Compared
8-strand 49-core silver-plated oxygen-free copper, aluminum alloy shell, gold-plated contacts, dual Type C, 1m, CNY 59 (USD 9). In the digital chain from phone to DAC, this cable is the cheapest and most overlooked link.
When Does a Headphone Cable Upgrade Actually Matter? KEYSION S35, Tested
8 cores × (24/0.06mm) oxygen-free copper braided with 250D ballistic nylon, three connector options to dual 3.5mm, gold-plated, 99 RMB. The entry-level headphone upgrade cable, durability first.
A Cable That Fits Every Headphone: Triple-Connector KEYSION S35-31, Explained
6N (99.9999%) oxygen-free copper conductor, 3.5mm single-ended / 4.4mm balanced / 2.5mm balanced three plugs to dual 3.5mm, CNY 238 (USD 36). The spec-maxed choice for dual 3.5mm headphones like HifiMan, Focal, Audeze.
6.35mm to Dual 3.5mm: When You Actually Need This Splitter Cable
5N oxygen-free copper, 112-core thick wire base per side, gold-plated connectors, 1.5m, 258 RMB. For 6.35mm output on desktop amps and headphone amps with dual 3.5mm headphones, a standard upgrade for desktop users.
Balanced to Single-Ended: When 4.4mm-to-3.5mm AUX Cables Make Sense
4N oxygen-free copper 4-core 56-strand, gold-plated plugs, dual specifications 3.5 to 3.5 and 4.4 to 3.5, 1.2m, CNY 59 (USD 9). A practical cable for connecting player's Line-out / headphone output to powered speakers and desktop amps.