MA-U42 – 4 x 2 HDMI Full 4K matrix with Amplifier & USB Hub

The MA-U42 is a 4×2 matrix switch with amplifier, designed for use in environments needing flexibility when it comes to inputs, outputs, and control. The three most common video input interfaces (HDMI, DisplayPort, and VGA w/stereo audio) are included along with a pair of HDMI outputs, providing excellent source compatibility and flexibility.

This unit is HDCP 2.2 compliant and supports resolutions up to a maximum of 4K@60Hz (4:4:4, 8-bit) for HDMI and Display port. The included microphone input, with optional 48V phantom power and support for automatic ducking, feeds directly into a DSP mixer allowing for powerful presentations with live voiceovers or even an impromptu karaoke session. Pass-through of multiple digital audio formats such as LPCM (up to 8 channels), bitstream and HD bitstream are supported. Additionally, the integrated stereo amplifier provides up to 40 watts of power (20W per channel) for local speakers to output the audio from the selected source, offering a flexible sound experience (LPCM 2.0 sources only).

This matrix also includes a USB 3.0 hub with one host port (Type-B), plus three device ports (Type-A) for a flexible KVM configuration. It also provides an interface for a remote control keypad or trigger interface, which can be easily installed within a podium or table, making this matrix ideal for use in meeting rooms, classrooms, and auditoriums which need comprehensive video and audio integration with USB expansion.


This unit is controllable via front panel controls, Web GUI, Telnet, Triggers, and RS-232.

  • HDMI 2.0 and DVI 1.0 compliant
  • HDCP 1.x and 2.2 compliant
  • 4 video inputs (2×HDMI, 1×DisplayPort, 1×VGA w/ analogue audio)
  • 2 matrixed HDMI outputs
  • HDMI and DisplayPort inputs support resolutions up to 4K@60Hz (4:4:4, 8-bit)
  • VGA input supports resolutions up to 1080p60Hz
  • HDMI outputs support resolutions up to 4K@60Hz (4:4:4, 8-bit)
  • Supports 10-bit and 12-bit HDR (High Dynamic Range) input/output (HDMI/ DisplayPort only)
  • Supports pass-through of 8 channel LPCM, bitstream & HD bitstream audio formats
  • Audio mixer function allows the mixing of audio from any LPCM 2.0 audio source with the microphone input
  • Microphone input supports 48V phantom power and feeds into a DSP mixer allowing adjustable mix levels, automatic ducking, audio output mixing, volume, and mute controls
  • High performance, 2 channel, class D amplifier with 20 watts of power per channel and independent volume control
  • USB 3.0 hub with one host port (Type-B) and three device ports (Type-A)
  • Trigger Control Keypad support for easy, single-button, function activation (Optional CR-TG1)
  • Comprehensive EDID and HDCP management
  • Controllable via front panel controls, RS-232, Telnet, Web GUI, and triggers
Inputs  2x HDMI [2x HDMI Uncompressed AV and Data]
1x Display Port [1x Uncompressed AV]
1x 15pin Dsub [1x VGA RGBHV]
2x 3.5mm Stereo mini-jack [2x Analogue Stereo(L/R)]
1x 6.35mm Stereo Jack [1x Microphone]
1x USB Type B [1x USB  Propriety Data]
1x USB Type A [1x Service Port Propriety Data]
1x RJ45 [1x IP Control]
1x Phoenix (10 pin) [1x Trigger In (8)]
1x Phoenix (3 pin) [1x RS-232]
Outputs  2x HDMI [2x HDMI Uncompressed AV and Data]
2x RCA [1x Analogue Stereo (L/R)]
2x Phoenix (2 pin) [1x Speaker Level Stereo Output]
2x USB Type A [2x USB Propriety Data]
PSU 24V/3.75A
Dimensions  231mm [W] x 158mm [D] x 44mm [H] 
Net Weight  1200g 
Gross Weight  2300g 

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