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IO Crest SY-AUD20205 USB to Audio Adapter Convert PC USB Port into a Stereo Sound Card for Windows & Mac Silver
IO CREST

IO Crest SY-AUD20205 USB to Audio Adapter Convert PC USB Port into a Stereo Sound Card

Bottom line: The IO Crest SY-AUD20205 USB to Audio Adapter Convert PC USB Port into a ($5.99 on Amazon as of 2026-10-06): Plug-and-play C-Media HS-100B chipset needs no drivers on Windows 7/8/10, macOS, Linux, Chrome; main trade-off: stereo output only, so no surround or multi-channel passthrough.

$5.99

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Plug-and-play C-Media HS-100B chipset needs no drivers on Windows 7/8/10, macOS, Linux, Chrome
  • ✓ Separate 3.5mm mic and speaker jacks handle headset audio and mono condenser mics at once
  • ✓ Works on USB 1.0, 2.0 and 3.1 ports, plus powered hubs and USB extension cables
  • ✓ Slim silver aluminum body stays clear of adjacent ports on thin laptops and Ultrabooks

Cons

  • ✗ Stereo output only, so no surround or multi-channel passthrough
  • ✗ Mic input is specified for mono condenser mics, not stereo or XLR sources
  • ✗ No inline volume wheel or mute button, so all control happens in the OS mixer
  • ✗ No headroom for high-impedance studio headphones, since it is a basic sound card replacement

Manufacturer description

Upgrade or fix your computer's sound in under a minute with this IOCrest USB Stereo sound adapter. No driver required, just plug it into any USB 3/2/1 port and your operating system will do the rest. The IOCrest SY-AUD20205 sleek aluminum shape makes it a great addition for high-end laptops and Ultra books. Perfect for connecting to USB hubs.

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SpecPicks Verdict

SpecPicks scored IO Crest SY-AUD20205 USB to Audio Adapter Convert PC USB Port into a… using a rating × review-volume × price-fit model applied to published specs and reviews across the sound cards category. IO CREST's sound cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for sound cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Connect a headset or computer speakers to stream music in Stereo; connect a mono condenser Microphone for Skype chat, voice recognition, amateur radio, or DJ controller applications
  • Quick fix for a failed Audio port in a laptop. Work with USB hub or USB Extension cable; compatible with Chrome, Linux, Mac and Windows OS
  • C-Media HS-100B chipset. Supports Windows 7, 8, 10, Mac OSX and Linux
  • Compatible with USB 3.1, USB 2.0, and USB 1.0 Ports
  • 3.5mm mic and speaker jacks. Sleek silver design. Plug-and-play, No driver required

Full Specifications

BrandIO CREST
PlatformLinux, Mac OS X, Windows 7
Unit Count1.0 Count
ConnectivityUSB
Model NumberSY-AUD20205
CompatibilityPC, Mac, Linux
Built-In MediaDriver Cd, Mini Pci-Express Sata Controller Card, User Manual
Item Type NameUSB to Audio Adapter Convert PC USB Port into a Stereo Sound Card for Windows & Mac
Mfr Part NumberSY-AUD20205
Audio Output ModeStereo
Hardware PlatformLaptops, PC, Speakers
Compatible DevicesPersonal Computer, Laptop, Speaker, Headphone
Hardware InterfaceUSB 2.0
Maximum Sample Rate48 KHz
Hardware ConnectivityUSB 2.0
Signal-to-Noise Ratio100 dB
Global Trade Identification Number00810154010240
Surround Sound Channel Configuration5 1
Full listing titleIO Crest SY-AUD20205 USB to Audio Adapter Convert PC USB Port into a Stereo Sound Card for Windows & Mac Silver

Ready to buy?

IO Crest SY-AUD20205 USB to Audio Adapter Convert PC USB Port into a Stereo Sound Card for Windows & Mac Silver is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $5.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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IO Crest SY-AUD20205 USB to Audio Adapter Convert PC USB Port into a Stereo Sound Card for Windows & Mac Silver
$5.99
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