The ALF-MUK44N is a 4×4 compact HDMI matrix switcher which is specially designed for cost conscious projects and buyers. It features not only basic functions like cross-point switching and control (IR, RS-232 and IP), but also advanced functions such as auto-downscaling for each HDMI output when it is connected to 1080P display. There is a SPDIF audio breakout for each HDMI output, to provide more audio feeds to a multi-zone audio system.

Product Features

  • 4 HDMI Inputs and 4 HDMI Outputs
  • All HDMI inputs and outputs support HDMI with HDR formats, including HDR 10, HLG
  • HDCP 2.2 compliant
  • Built-in 4K-1080P downscaling for each HDMI Output; the matrix can downscale 4K@60Hz 4:4:4 to 1080P@60 4:4:4
  • 4K downscaling works automatically when the matrix is connected to a 1080P display and can be set to ON/OFF via the API commands
  • Each HDMI output has a SPDIF audio breakout and supports formats up to 5CH HBR (High Bit Rate) or 2CH PCM audio
  • Supports smart EDID; each input can be assigned to smart EDID mode
  • Supports EDID presets, EDID copy, and EDID write
  • By default, each input EDID is set as 4K@60 4:4:4 HDR with 5.1CH encoded audio
  • Supports audio mute as the four SPDIF outputs can be muted separately by API commands
  • Supports upgrading firmware via both micro-USB and web UI (for MCU and web module)
  • Rich control options, including RS-232, IR, IP Control and front panel buttons control