Skip to main content
CORSAHD 8K@60Hz 4K@120Hz HDMI2.1 Audio Extractor 2 in 1 Out Switch,48 Gbps,HDCP 2.3, SPDIF 5.1Ch,L/R 2.1Ch,Supports,ARC TV Apps,VRR,ALLM,HDCP Bypass,HDR,Dolby Vision Atmos,Soundbar,Graphics Card
CORSAHD

CORSAHD 8K@60Hz 4K@120Hz HDMI2.1 Audio Extractor 2 in 1 Out Switch

Bottom line: The CORSAHD 8K@60Hz 4K@120Hz HDMI2.1 Audio Extractor 2 in 1 Out Switch: Passes 8K@60Hz and 4K@120Hz over HDMI 2.1 at 48 Gbps; main trade-off: no auto-switching; every source change needs a button press.

Live pricing on eBay

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

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.

Pros & Cons

Pros

  • ✓ Passes 8K@60Hz and 4K@120Hz over HDMI 2.1 at 48 Gbps
  • ✓ Splits audio to optical SPDIF 5.1ch or 3.5mm L/R 2.1ch
  • ✓ Two HDMI inputs switch to one display via front panel button
  • ✓ Bypasses HDCP 2.2/2.3 and passes Dolby Vision, HDR10, Atmos, DTS:X
  • ✓ VRR and ALLM pass-through for PS5, Xbox Series X, and PC GPUs

Cons

  • ✗ No auto-switching; every source change needs a button press
  • ✗ Will not work with Sonos Arc or any eARC soundbar
  • ✗ Requires an external power adapter, not USB bus powered
  • ✗ 2-in-1-out only; no splitting one source to two displays

SpecPicks Verdict

SpecPicks scored CORSAHD 8K@60Hz 4K@120Hz HDMI2.1 Audio Extractor 2 in 1 Out Switch using a rating × review-volume × price-fit model applied to published specs and reviews across the display & crt accessories category. CORSAHD's display & crt accessories 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 display & crt accessories 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

  • ✨【4K@120Hz HDMI 2.1 Audio Extractor】 -- The 2 ports HDMI 2.1 Audio Extractor easily extract audio from your HDMI sources to 1 HDMI Display device and 1 Optical Toslink SPDIF 5.1Ch audio device or 1 AUX L/R 2.1Ch audio device. Also can easily switch between 2 HDMI souces by pressing single button. It supports CEC and ARC. Also supports VRR and ALLM for better game experience.
  • ✨【Video & Audio Format】 -- Video Format - HDMI 2.1 Audio Extractor supports multiple resolution up to 8K@60Hz 4K@120Hz 5120x1440@120Hz 1080P@240Hz 4:4:4 8bit. Also supports VRR, ALLM, HDR 10, Dolby vision, 3D effect, HDCP2.2, HDCP 2.3 bypass. Audio Format - Supports Optical Toslink SPDIF 5.1Ch, AUX L/R 3.5mm 2.1Ch, ARC, Dolby Atmos, DTS X,Dolby True HD, DTS-HD Master Audio.
  • ✨【Easy Usage】 -- Plug and play. Power on with adapter. Simply connect HDMI sources to Input ports and HDMI display device to Output port through HDMI 2.1 cable. Then connect audio device through Optical Toslink SPDIF 5.1Ch port or AUX L/R 3.5mm 2.1Ch port. The led light will indicate which port is working. Easily switch between 2 HDMI sources by pressing the panel button. Supports CEC when audio mode is set to "SPDIF". Supports ARC shen audio mode is set to "ARC".
  • ✨【Wide Compatibility】 -- 2 ports HDMI Switcher Selector Audio Extractor is highly compatible with all operating system such as Windows, Mac OS, Linux. Also works perfectly with Logitech Harmony, Xbox one X, PS4 Pro, 4K, Roku 4, Amazon Fire TV, Blu-ray players, Projector, NVIDIA and AMD graphics cards, etc. Especially supports speakers and headphones.
  • ✨【Please Note】 -- 1. Highly recommend certified HDMI 2.1 cable less than 10ft / 3m. 2. Most using issues are cuased by poor quality cables. 3. Supports only 2 in 1 out, does NOT support 1 in 2 out or “Bi-directional”. 4. Does NOT support automatic switch. 5. Does NOT support Sonos-ARC/e-ARC.

Full Specifications

BrandCORSAHD
ModelCO-SW21HA21
InterfaceHDMI
Unit Count1 Count
Part NumberCO-SW21HA21
CompatibilityPS4, Xbox, Switch, Mac, Linux
Interface TypeHDMI
Number of Pins19
Number of Items1
Audio Output ModeOptical, AUX
Compatible DevicesWindows, Mac OS, Linux, Logitech Harmony, Xbox one X, PS4 Pro, 4K, Roku 4, Amazon Fire TV, Blu-ray players, Projector, NVIDIA and AMD graphics cards, speakers, headphones
Number of Channels5
Included ComponentsHDMI 2.1 Audio Extractor, Type-C Cable, User Manual
Full listing titleCORSAHD 8K@60Hz 4K@120Hz HDMI2.1 Audio Extractor 2 in 1 Out Switch,48 Gbps,HDCP 2.3, SPDIF 5.1Ch,L/R 2.1Ch,Supports,ARC TV Apps,VRR,ALLM,HDCP Bypass,HDR,Dolby Vision Atmos,Soundbar,Graphics Card

Ready to buy?

CORSAHD 8K@60Hz 4K@120Hz HDMI2.1 Audio Extractor 2 in 1 Out Switch,48 Gbps,HDCP 2.3, SPDIF 5.1Ch,L/R 2.1Ch,Supports,ARC TV Apps,VRR,ALLM,HDCP Bypass,HDR,Dolby Vision Atmos,Soundbar,Graphics Card is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings → Check Amazon listing →

Related Display & CRT Accessories

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →