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Small black rectangular HDMI switch three inputs one output IR remote included

Mrocioa

Mrocioa HDMI 2.1 Switch 3in 1 out 8K 60Hz 4K 120Hz 1080P 240Hz Black

SKU CH-PKS3-EKZ77

Connects three HDMI sources to one display with 8K 60Hz, 4K 120Hz and 1080P 240Hz support plus ARC audio return

  • Port count3
  • Adapter typeHDMI
  • Cable lengthFeet
  • Input ports3 x HDMI Female
  • Maximum supported resolutionsMedium
  • Product type4K - 3 Port 120 Hz Normal
  • Switch three sources to one display with 8K 60Hz support
  • Enjoy 4K 120Hz gaming on PS5 and Xbox Series X
  • Control via IR remote or iPhone app with labelled channels
  • Optional auto-switching selects the active input automatically
  • Passes ARC audio from TV to soundbar through input one

Three-Port HDMI 2.1 Switch

The Mrocioa D321M routes signals from three HDMI source devices to a single display. It handles 8K at 60 Hz, 4K at 120 Hz and 1080p at 240 Hz while passing HDR 10, Dolby Atmos and 3D content. A compact black enclosure measures 4.65 by 2.48 by 0.87 inches and includes an infrared remote with a 7-metre range.

Home theatre and gaming setups

This switch suits owners of a PS5, Xbox Series X or similar 8K-capable sources who need to share one screen. It also supports CEC and VRR for automatic input switching and variable refresh rates. Buyers requiring more than three inputs or a second simultaneous output should consider a matrix or splitter instead.

ARC audio return on port one

The single specification that decides compatibility is ARC support limited to the first HDMI input. Only a soundbar or receiver connected to that port can receive return audio from the television. Other ports do not pass ARC signals, so systems needing return audio on multiple inputs will not work with this unit.

How it compares

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

Price $37.99
Pricier than about 72% of the 1,998 comparable items (median $27.99).

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Specifications

Product
Brand nameMrocioa
Model nameD321M
Part numberCYD321N
Product type4K - 3 Port 120 Hz Normal
Adapter typeHDMI
Product colorBlack
Display
Maximum supported resolutionsMedium
Ports & slots
Port count3
Input ports3 x HDMI Female
Size & build
Cable lengthFeet
Product dimensions4.65 L × 2.48 W × 0.87 H inches

Questions about this item

What cables and accessories are included with the Mrocioa HDMI 2.1 Switch D321M?

The switch includes an IR remote control, eight label stickers for port identification, and the main unit. HDMI cables and batteries for the remote are not supplied and must be purchased separately.

Which HDMI version should I choose between 1.4, 2.0 and 2.1 for 4K 120Hz gaming on PS5 or Xbox Series X?

Only the HDMI 2.1 specification carries the 48 Gbps bandwidth needed for 4K at 120 Hz with VRR and HDR 10. Versions 1.4 and 2.0 are limited to lower refresh rates at 4K resolution.

What does the 8K 60Hz headline figure mean when the switch is connected to a real 8K display and source?

It confirms the switch passes the full 8K 60 Hz signal, including HDR 10, Dolby Atmos and VRR, provided both the source and display also support HDMI 2.1 and certified Ultra High Speed cables are used.

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