The SQ-AAG-RB-2RU is a remote control panel with 20-channel audio meters. It is 2RU high. The SQ-AAG-RB-2RU provides audio level indication and control for maximum 10 SQ-AAG-6001 modules. It uses 20 audio meters, each of which consists of green, yellow and red LEDs, for dynamic indication of each audio VU and PPM. It can also be used to configure and adjust various parameters for each audio input, including output gain, compress threshold, limit threshold, attack time, release time and compression ratio.