The Hall Research EMX-I-AMP is a 4K HDMI audio extractor with built-in 50 watt audio amplifier for direct connection to 8 ohm speakers. The device provides a separate stereo input for connecting a wireless microphone or audio player. HDMI audio is mixed with the analog audio input and amplified. Output volume can be controlled via LAN, front panel buttons, RS-232 commands, or using a remote wall-plate with a rotary knob. An independent RS232 output port is provided in order to control other devices such as TVs or projectors.
Features include audio ducking to automatically lower the HDMI audio when sound is detected on the line input, full EDID management with the ability to learn, download, upload and emulate EDID, page sense or occupancy detection inputs and more. A USB port is provided on the front panel that can be used to configure advanced settings using a free Windows GUI