The Comprehensive CDA-1418GAE is a Pro AV/IT integrator series HDMI UHD 1x4 distribution amplifier and splitter designed for efficient HDMI signal distribution with advanced features. It supports HDMI 2.0b and is compliant with HDCP2.2/HDCP1.4 standards, handling resolutions up to 4K2K at 50/60Hz (4-4-4). The device enables digital and analog audio extraction from HDMI sources, including PCM 2.0 and various optical audio pass-through formats such as Dolby 5.1, DTS 5.1, and DTS HD-HRA 5.1. Additional functionalities include output bypass, 4K to 1080p downscaling, and selectable EDID COPY and AUTO modes via dial switches on the panel, ensuring flexible integration and compatibility in professional AV setups.