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Small black aluminum box with three HDMI inputs one output and IR remote

SMA

SMA 3-Port HDMI Switch 4K 30Hz Aluminum Remote

SKU CH-R7JT-GSTDN

Connects three HDMI sources to one display with 4K 30 Hz support, automatic or remote switching, and an aluminum housing

  • Port count3-Port UHD
  • Input ports3 x HDMI Female
  • Output ports1 x HDMI Female
  • Maximum supported resolutions3840 × 2160
  • Units per package1
  • Product typeHDMI Switchers
  • Connect 3 HDMI sources to 1 display with three input ports
  • Switch sources from the couch using the included IR remote
  • Auto-switching selects the newly powered device without button presses
  • Aluminium alloy housing dissipates heat for stable 4K 30 Hz playback
  • Gold-plated connectors deliver 3.4 Gbps bandwidth for crisp 3840 x 2160 video

Three-Port HDMI Switch for 4K Displays

This aluminum switch connects three HDMI source devices such as gaming consoles, streaming sticks or media players to a single display. It supports 3840 x 2160 resolution at 30 Hz, 1080p at 120 Hz and 3D video. HDCP 1.4 and multi-channel audio formats including LPCM, Dolby AC3 and DTS 7.1 are passed through. Gold-plated connectors provide 3.4 Gbps bandwidth for stable transmission.

Replaces Manual Cable Swapping

The unit removes the need to unplug and replug cables when changing between sources. Automatic switching selects the newly powered device, while a push button on the box and the included IR remote offer manual control. LED indicators show the active port. The jump is worthwhile when a display has only one HDMI input but multiple sources must stay connected.

Simple Plug-and-Play Installation

Connect each source to the three input ports and the display to the single output, then attach the supplied micro USB power cable. No drivers or configuration are required. The most common issue is using HDMI cables longer than 5 metres, which can exceed the AWG26 specification and cause signal loss. Ensure all cables meet the length limit for reliable operation.

How it compares

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

Price $20.99
Cheaper than about 70% of the 1,998 comparable items (median $27.99).

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Specifications

Product
Product typeHDMI Switchers
Product colorBlack
Display
Maximum supported resolutions3840 × 2160
Ports & slots
Port count3-Port UHD
Input ports3 x HDMI Female
Output ports1 x HDMI Female
Size & build
Product dimensions0.83 × 3.6 × 0.7 in
Product weight6.3 oz
In the box
Units per package1
In the box1x 3-port HDMI Switch
1x Remote Control
1x Micro USB Power Cable
1x User Manual

Questions about this item

How much depth does the 0.83-inch tall aluminum chassis need behind my TV?

The unit measures 3.6 inches wide by 0.7 inches deep, so allow at least that much clearance behind the display for the three HDMI inputs and one output plus the Micro USB power cable.

Which step do users skip when setting up the IR remote and auto-switching?

Connect the included Micro USB power cable to a 5 V source first; without external power the switch cannot drive the LED indicators, auto-switch to a newly powered device, or respond to the remote.

When should I replace the Micro USB power cable or the switch itself?

Replace the cable if the LED indicators flicker or the unit fails to auto-switch at 3840x2160@30 Hz; the aluminum chassis is passively cooled and has no moving parts, so the switch only needs replacement if a port physically fails.

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