CHKA2

CHKA2 Dimensions
CHKA2 Product Manual
ALFAtron ALF-CHKA2

The ALF-CHKA2 is a small-size HDMI 2.0 audio de-embedder with 1 HDMI input, 1 HDMI output, and three kinds of audio outputs. It is designed to extract audio from 4K HDMI signal via stereo balanced L/R audio, analog RCA, and coaxial digital audio output ports. It supports 4K@60Hz/4:4:4 HDR, EDID & CEC pass-through, and the transmission rate is up to 18Gbps. Moreover, there are three audio modes can be chosen in order to be compatible with various audio processing device.


  • Supports stereo balanced L/R audio, analog RCA, and coaxial digital audio output ports.
  • Supports three audio modesPASS, BITSTREAM, and PCM.
  • HDMI input supports HDCP2.2, and the output supports HDCP1.4.
  • Supports HDMI2.0 4K@60Hz/4:4:4 HDR, EDID & CEC pass-through.
  • The transmission rate is up to 18Gbps.