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04
Introduction
The BK-404 Matrix is a 4 Input 4 Output HDMI Matrix that al-
lows you to switch or split between different sources and dis-
plays at the same time with ease. It supports video resolutions
up to 8K@60Hz 4:2:0 12bit and 4K@120Hz 4:4:4 12bit. The de-
vice features Optical and Analog audio outputs for audio ex-
traction. The device can be easily controlled through the includ-
ed remote, the front panel buttons, or through RS-232 & TCP/IP
command control. It can also downscale 8K resolution to 4K or
8K/4K to 1080p on each output port. The device also features
support for HDMI 2.1 features such as VRR, ALLM, QFT, QMS,
and SBTM.