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Black aluminium HDMI switch box three inputs one output with remote control

Closs CL301B 8K HDMI 2.1 Switch 3 in 1 Out Aluminum Black

SKU CH-JG59-036AJ

An 8K@60Hz and 4K@120Hz HDMI 2.1 switch routes three sources to one display with 48Gbps bandwidth, IR remote, auto-switching and an aluminum chassis

  • TypeHDMI
  • ColorBlack
  • Ports4
  • Cable Length4.25
  • Input Connector4
  • Output ConnectorFemale-to-Female
  • Supports 8K at 60 Hz and 4K at 120 Hz with 48 Gbps bandwidth
  • Auto-switching plus IR remote and front button for hands-free or manual control
  • Aluminium alloy housing dissipates heat for stable long-term operation
  • Plug-and-play with no drivers required for instant setup
  • Compatible with HDMI 2.1, 2.0 and 1.4 devices including consoles and streamers

Closs CL301B 8K HDMI 2.1 Switch

The Closs CL301B is a 3-in-1-out HDMI 2.1 switch that routes three source devices to a single display. It supports video up to 8K at 60 Hz and 4K at 120 Hz with 48 Gbps bandwidth. HDCP 2.3, HDR10+ and Dolby Vision pass-through are included. The aluminium enclosure aids heat dissipation during extended sessions.

Before ordering, verify your sources and display

Confirm that each source device and the target display have HDMI ports compatible with the resolutions you need. The switch requires an external power connection for stable operation. Use certified ultra-high-speed HDMI cables rated for 48 Gbps to achieve 8K or 4K 120 Hz performance. The included IR remote needs direct line of sight to the front sensor.

Thermals, noise and power draw in normal use

The aluminium chassis passively dissipates heat so the unit runs silently with no fan noise. Power consumption is low because the switch only handles signal routing and EDID management. The compact 2.4 by 3.98 by 0.63 inch form factor fits behind equipment without blocking ventilation. The 0.191 kg weight adds negligible load to cable runs.

Highlights

  • Supports 8K at 60 Hz and 4K at 120 Hz with 48 Gbps bandwidth
  • Auto-switching plus IR remote and front button for hands-free or manual control
  • Aluminium alloy housing dissipates heat for stable long-term operation
  • Plug-and-play with no drivers required for instant setup
  • Compatible with HDMI 2.1, 2.0 and 1.4 devices including consoles and streamers

Specifications

BrandCloss
ModelCL301B
Part NumberCL301B
TypeHDMI
ColorBlack
Ports4
Cable Length4.25
Input Connector4
Output ConnectorFemale-to-Female
Dimensions2.4 in x 3.98 in x 0.63 in
Weight0.191 kilograms

Questions about this item

Does the CL301B come with HDMI cables or do I need to buy them separately?

The switch includes the main unit, an IR remote and a power adapter; HDMI cables for the three inputs and the single output are not supplied and must be purchased separately.

Should I choose this 3-port 8K model or a 5-port 4K version for my PS5 and Apple TV?

Pick the CL301B when you need 4K at 120 Hz or 8K at 60 Hz on up to three sources; the 5-port alternatives are limited to 4K at 30 Hz or 60 Hz and cannot pass the higher refresh rates your consoles support.

What does the 48 Gbps bandwidth mean when I connect a PS5 to a 4K 120 Hz monitor?

It guarantees the full 48 Gbps HDMI 2.1 link needed for uncompressed 4K 120 Hz 10-bit HDR, so the PS5 can output its maximum quality without chroma subsampling or compression artefacts.

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