Control4 4K Ultra 6×6 HDMI Matrix Switcher with Audio Down Mixing




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The Control4 LU642D is a full-featured HDMI Matrix model for smaller projects. This model is capable of distributing six HDMI 4K Ultra HD sources to six zones—four utilising HDBaseT Class A technology and two additional zones via local HDMI outputs. The integrated audio matrix can route audio extracted from the 6 HDMI sources and eight independent coaxial digital inputs to any of the HDBaseT or HDMI outputs and 8 analogue audio outputs with variable volume, bass and treble controls as well as audio delay for lip sync correction. Featuring an integrated Ethernet switch, the LAN port on the C4-LU642 provides an Ethernet connection to up to four C4-LU1E HDBaseT Receivers. Fast switching times are achieved thanks to the Control4 advanced EDID management system and EZ-Calibration. Zone Lock technology ensures home theater and media rooms are able to take full advantage of the latest 4K and 3D content. The C4-LU642D is designed to be seamlessly integrated into a Control4 home automation system. The C4-LU642D introduces audio downmixing, offering greater flexibility in where and how you enjoy your media. The D model can downmix multichannel audio from any of the HDMI inputs to the HDMI, HDBaseT and stereo audio outputs, allowing you to hear your 4K sources anywhere in your home. All popular Dolby® and DTS® formats are supported, including Dolby Digital, Dolby Digital Plus, Dolby TrueHD (lossless), Dolby Atmos®, DTS-ES™, DTS-HD, and many others.

Main Features

  • 4K Ultra HD compatible
  • HDCP 2.2 compliant
  • HDBaseT 5 Play support allowing video, surround sound audio and IR and serial control distribution up to 100 meters over a single category cable
  • Ultra-compact HDBaseT receivers are powered from the switch, providing for a simple, clean installation
  • SDDP allows the for easy identification and fast installation. No need to mess with static IP addresses or reservations
  • Built-in audio matrix switch features 8 digital (coax) audio inputs (perfect for pairing with digital audio outputs on Control4 EA controllers) that can be routed to any HDMI*, HDBaseT*, or one of 8 analogue audio outputs* Audio routed from digital (coax) inputs to HDMI or HDBaseT outputs is accompanied by a black video signal.


Country of Manufacture Australia
Video Inputs 6 x HDMI
Video Outputs 4 x HDBaseT Class A 2 x Local HDMI
Audio Inputs 8 x Coaxial S/PDIF Digital Inputs
Audio Outputs 8 x Stereo analogue RCA Line Out
Supported Video Formats Ultra HD 4K HDCP version – 2.2 3840x2160p (30, 25, 24) 3840x2160p (60, 50) 4:2:0 4096x2160p (30, 25, 24)
Supported Audio Formats DTS-HD Master Audio, Dolby True HD, Multi-Channel 5.1 and 7.1, Stereo
Pass-Through Control 4 x Directional IR (3.5mm) 4 x Bi-Directional RS232 (3.5mm)
Transmission Distance 1080P – 328 ft (100m) with CAT5e/CAT6 4K UHD – 229 ft (70m) with CAT5e/CAT6 4K UHD – 328 ft (100m) with CAT6a/CAT7
Device Control RS232 and IP
Status Display LED
Rack Space Required 2U
Mount Options Rack Ears Included
0.0000 kg



Main Unit Only, With 2 HDMI Receivers, With 3 HDMI Receivers, With 4 HDMI Receivers, With 4 HDMI Receivers & 1 Pair of Full Baluns, With 4 HDMI Receivers & 1 Pair of Lite Baluns, With 4 HDMI Receivers & 2 Pairs of Full Baluns, With 4 HDMI Receivers & 2 Pairs of Lite Baluns




Control4 4K Ultra 6×6 HDMI Matrix Switcher


A/V Distribution

This product is now discontinued
Check out the new Pulse Eight XMR Matrix