Mediasonic CORSAHD CO-SW21HA21 HDMI 2.1 Audio Extractor 2 In 1 Out Switch
Extracts audio from two HDMI 2.1 sources to one display plus optical 5.1-channel or 3.5 mm 2.1-channel output, switching by button
- SpecificationsCORSAHD, 57, 51
- Connector A1x USB 2.0 female
- Connector B1x USB 2.0 female
- Features57, 51
- Package Contents1
- Disclaimernot_applicable
- Extract audio to SPDIF 5.1Ch or AUX 2.1Ch while keeping 8K@60Hz video
- Switch between two HDMI 2.1 sources with a single button press
- Supports VRR and ALLM for smoother gaming at 4K@120Hz
- Passes HDR10 and Dolby Vision metadata through to the display
- Plug-and-play operation with LED indication of the active input
2-port HDMI 2.1 audio extractor
This 2-in-1-out HDMI 2.1 switch extracts audio from two sources to one display and either optical 5.1-channel or analogue 2.1-channel outputs. It handles video up to 8K at 60 Hz and 4K at 120 Hz with 48 Gbps bandwidth. The unit supports HDR10, Dolby Vision and HDCP 2.3 bypass for protected content. Gamers benefit from VRR and ALLM passthrough for smoother play.
Replaces separate switch and extractor boxes
A single button toggles between the two HDMI inputs while simultaneously feeding audio to a soundbar or AV receiver. The jump is worth it when you need both source switching and audio de-embedding without adding latency or extra cables. It also covers ARC return from a compatible TV when the audio mode is set accordingly. Buyers who need more than two inputs or simultaneous multi-format audio output should look elsewhere.
Fits between sources, display and audio gear
Connect each source to an HDMI input, the display to the HDMI output, then route optical to a 5.1 system or 3.5 mm to a 2.1 setup. A 5 V 1 A USB power adapter is required but not included; the supplied USB cable plugs into it. Use HDMI 2.1 cables no longer than 3 metres for 4K 120 Hz stability. EDID switches select SPDIF 5.1, LR 2.1 or ARC modes to match your audio chain.
Highlights
- Extract audio to SPDIF 5.1Ch or AUX 2.1Ch while keeping 8K@60Hz video
- Switch between two HDMI 2.1 sources with a single button press
- Supports VRR and ALLM for smoother gaming at 4K@120Hz
- Passes HDR10 and Dolby Vision metadata through to the display
- Plug-and-play operation with LED indication of the active input
Specifications
| Brand | Mediasonic |
|---|---|
| Series | CORSAHD |
| Model | CORSAHD |
| Part Number | CO-SW21HA21 |
| Specifications | CORSAHD, 57, 51 |
| Connector A | 1x USB 2.0 female |
| Connector B | 1x USB 2.0 female |
| Features | 57, 51 |
| Package Contents | 1 |
| Disclaimer | not_applicable |
Questions about this item
What HDMI cable length does this extractor require for 4K at 120 Hz?
Use an HDMI 2.1 cable no longer than 3 metres to achieve full 4K@120Hz performance.
Which step in the power-on sequence do users often skip?
Turn on the display first, then connect the extractor, and only then power on the source device.
When will the optical or 3.5 mm audio ports need a different EDID setting?
Set the EDID switch to SPDIF/5.1 for surround sound or to LR/2.1CH for stereo output.
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