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Item#: N82E16812270385

BYTECC HMMSS402 4x2 True Matrix HDMI® Switcher Amplifier Splitter w/ IR Remote Support 3D HDCP 1080P and L/R Audio Output 4 in 2 out HDMI Ports

  • 4 HDMI Input source 2 HDMI Output source
  • True 3D GAMING AND 3D Home Theatre Applications
  • Full HD 1080P; Compliant with HDCP; Support 3D
  • Supports DTS Digital; Dolby Digital Audio.
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Learn more about the BYTECC INC HMMSS402



Physical Characteristics

Power: 5 Watts (Max)

DC Supply: 5V @2A


Supports 3D - defines input/output protocols for major 3D video formats, paving the way for true 3D gaming and 3D home theatre applications

Distribute any one of 4 sources to either of 2 displays or both simultaneously

Compatible with Full HD 480i/480p/576i/576p/720p/1080i/1080p

Switch easily in between multiple HDMI® sources via remote control or buttons on unit

With internal IR receiver to enlarge IR control signals

Compliant with HDCP

Note: The L/R Audio Output only work for Set A HDMI Output source.


Changer Type
HDMI Switch/Extender

Manufacturer Warranty

1 year limited

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 0 day

Customer Reviews of the BYTECC INC HMMSS402

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  • Christopher C.
  • 11/29/2012 7:33:38 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsWorks sometimes

Pros: It works decently.

Cons: The major issue is when switching to my PS3. I have to make sure the other port is not being used otherwise it will not display anything. I noticed that when I used my cable box plugged in there, it caused other issues where I couldn't load certain channels.

Did you find this review helpful? Yes No

  • Johnny Q.
  • 3/12/2011 4:09:57 AM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsDoesn't work like it's suppose to.

Pros: I have a xbox360, pc, laptop and ps3 and 2 monitors
The matrix looks good.

Cons: If used with a ps3. The hdmi audio has to be disabled for the picture to display in 1080p. If the hdmi audio is enabled the signal constantly die out. With the hdmi audio disabled there appears to be a mesh of broken pixels on the monitor and the 1080p picture will black out less often. Also when using the 1080p resolution the hdmi signal flickers off and on sometimes and you can notice broken pixels. Only got it to work sometimes by disableing the hdmi audio from the pc. Do not use the left and right audio ports on the matrix too, It will mess up the picture. With all the audio settings disabled the signal will work better. The matrix will not work with 1080p and hdmi audio enabled at the same time, even then the picture quality is bad, and the signal is unreliable. Right now I just physically connectand switch my devices directly to the monitor for the best quality and reliability. Defeats the purpose of buying this device.

Other Thoughts: Do not get a hdmi matrix that comes with audio ports.

2 out of 2 people found this review helpful. Did you? Yes No

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Accessories > 
Adapters & Gender Changers > 
Audio/Video Switch > 
Item#: N82E16812270385
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