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Product Description
Product Description
Blustream SW21AB-V2 2-Way 4K HDMI Switch (SW21ABV2)
The Blustream SW21AB-V2 is a 2-way HDMI switch with integrated audio breakout that switches between two HDMI sources to a single HDMI output. It supports full HDMI 2.0 4K UHD (4K @ 60Hz 4:4:4) with HDCP 2.2 compliance and provides concurrent analogue L/R and optical digital audio outputs.
4K UHD Switching with HDMI 2.0 and HDCP 2.2
This HDMI switch delivers 4K UHD video performance and broad format support across common resolutions.
- 2x HDMI inputs can be switched to a single HDMI output
- Supports full HDMI 2.0 specification 4K UHD video (4K @ 60Hz 4:4:4)
- HDCP 2.2 compliant
- Supports 3D signal display
- Supports industry standard video resolutions including VGA–WUXGA and 480i–4K
Integrated Audio Breakout and Multichannel Pass-through
Audio can be extracted from HDMI and output through digital and analogue connections while maintaining format support in line with HDMI specifications.
- HDMI audio breakout to analogue L/R and optical digital outputs concurrently
- Supports bitstream passthrough of multichannel surround sound including object-based audio formats in line with HDMI specifications
Control and Integration Features
Operational and system-integration options are available through onboard controls and signal management features.
- Control via front panel and IR
- Advanced EDID management
- CEC (Consumer Electronic Control) is blocked from the inputs to the end sink/display
Connectivity and Included Accessories
The switch provides standard HDMI I/O, audio outputs, and IR connectivity, and includes essential accessories for setup.
- Video inputs: 2x HDMI Type A; video output: 1x HDMI Type A
- Audio outputs: 1x Optical (SPDIF) and 1x analogue L/R (3.5mm stereo jack)
- IR input: 1x 3.5mm stereo jack
- Power supply: 5V/2A DC
- Included: SW21AB-V2, SW21-REMOTE, 5V/2A DC power supply, IR receiver, user manual
Frequently Asked Questions
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What video formats and resolutions are supported?
It supports full HDMI 2.0 4K UHD (4K @ 60Hz 4:4:4), is HDCP 2.2 compliant, supports 3D signal display, and supports industry standard video resolutions including VGA–WUXGA and 480i–4K.
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Does the SW21AB-V2 provide audio breakout?
Yes. It provides HDMI audio breakout to analogue L/R and optical digital outputs concurrently.
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Is multichannel surround audio supported?
Yes. It supports bitstream passthrough of multichannel surround sound, including object-based audio formats, in line with HDMI specifications.
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How can the switch be controlled?
It can be controlled via the front panel and IR. An IR input (3.5mm) is available, and an IR receiver and remote are included.
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Is CEC passed through?
No. CEC is blocked from the inputs to the end sink/display.
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Does it support auto switching?
Auto switching is only available on units with serial no. 70522400001 or above, or serial numbers with a letter as the 4th digit (i.e. xxxAxxxxxxx).
Add to Cart to get the SW21AB-V2 from Gibbys Electronic Supermarket, and contact or visit Gibbys for personalized system-matching and setup guidance from our product specialists.




