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Compact black rectangular HDMI switcher with front buttons and multiple ports

BZBGEAR

BZBGEAR BG-8K-HS21A 2x1 8K HDMI 2.1 Switcher with Audio De-Embedding

SKU CH-QSEV-HDFEK

Switches two HDMI 2.1 sources to one display at up to 8K 60 Hz or 4K 120 Hz with 48 Gbps bandwidth and de-embeds audio to optical and 3.5 mm analogue outputs

  • SoundHDMI Input/Output: LPCM, Dolby Digital/Plus/EX, Dolby True H
  • Input ports2 x HDMI IN [Type A, 19-pin female]
  • Output ports1 x HDMI OUT [Type A, 19-pin female] 1 x OPTICAL [S/PDIF] 1
  • Maximum supported resolutionsUp to 8K@60 Hz YCbCr 4:2:0 12bit, 4K@120 Hz RGB/YCbCr 4:4:4
  • Bandwidth rating48 Gbit/s
  • Product typeHDMI Switchers
  • Switches two HDMI sources to one display with 48Gbps bandwidth
  • Delivers 8K60 and 4K120 4:4:4 video for high-resolution gaming
  • De-embeds audio to optical 5.1 and analog stereo outputs
  • Supports VRR, FVA and ALLM for smooth responsive playback
  • Compact 145mm x 68mm x 18mm design fits tight spaces

2x1 8K HDMI 2.1 Switcher

The BG-8K-HS21A routes two HDMI sources to a single display with 48Gbps bandwidth. It supports 8K at 60Hz and 4K at 120Hz with full 4:4:4 colour sampling. HDCP 2.3 compliance keeps protected content flowing without interruption. The unit includes an IR remote and front-panel buttons for source selection.

Sustained 48Gbps signal handling

The 48Gbps pipeline maintains full 12-bit colour depth at the highest resolutions during extended sessions. VRR, FVA and ALLM pass-through remain active continuously, so variable refresh rates and low-latency modes do not drop under load. HDCP 2.3 handshakes stay stable across long playback periods. Advanced EDID management preserves the display link without re-negotiation delays.

Audio de-embedding and cabling check

Optical S/PDIF output carries LPCM, Dolby or DTS 5.1-channel audio, while the 3.5mm stereo jack provides two-channel LPCM. Verify your sources and display use HDMI Type A connectors compatible with the 19-pin female ports. Confirm cable length and quality support the 48Gbps bandwidth for 8K60 or 4K120 signals. The switcher requires no external power supply, so ensure the HDMI sources can provide sufficient bus power.

How it compares

Measured against everything we stock in HDMI & AV Selector Switches, at today’s prices. Recalculated every night.

Price $76.99
Pricier than about 90% of the 1,998 comparable items (median $27.99).

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Specifications

Product
Product typeHDMI Switchers
Performance
Bandwidth rating48 Gbit/s
Display
Maximum supported resolutionsUp to 8K@60 Hz YCbCr 4:2:0 12bit, 4K@120 Hz RGB/YCbCr 4:4:4 12bit
Audio & video
SoundHDMI Input/Output:
LPCM, Dolby Digital/Plus/EX, Dolby True HD, Dolby Atmos, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD
Audio De-embedding Output:
Optical: LPCM/Dolby/DTS 5.1CH
Analog: LPCM 2CH
Ports & slots
Input ports2 x HDMI IN [Type A, 19-pin female]
Output ports1 x HDMI OUT [Type A, 19-pin female]
1 x OPTICAL [S/PDIF]
1 x L/R [3.5 mm Stereo Mini-jack]
Size & build
Product dimensions5.7 in × 2.7 in × 0.71 in [145 mm × 68 mm × 18 mm]
Product weight0.57 lb [258g]

Questions about this item

Does the BG-8K-HS21A generate noticeable heat or fan noise when left on all day?

The unit has no fan and draws minimal power, so it runs silently and stays cool during continuous operation.

What cables and sources must I already have to use the two HDMI inputs and the audio de-embedding outputs?

You need two HDMI 2.1 source devices, one HDMI display, plus an optical cable for 5.1 surround or a 3.5 mm stereo cable for analog audio.

Will my older 1080p 60 Hz monitor work with the switcher's 48 Gbps HDMI 2.1 output?

Yes, the switcher passes EDID from the display, so it will automatically negotiate the best common resolution with legacy screens.

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