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Allen & Heath CQ-20B Digital Mixer

The CQ-20B takes the largest input count in the CQ range and drops the touchscreen entirely. It is a 20-in / 8-out digital mixer built as a rack or stagebox unit meant to be controlled from a tablet, so the box can live near the stage or in a rack while the operator mixes wirelessly from anywhere in the room. Under the hood it runs the same 96kHz FPGA processing as the rest of the CQ family, with 4 multi-FX engines for reverb, delay, and modulation.

Built-in dual-band 2.4G/5G AC Wi-Fi with automatic channel selection and an RJ45 network socket handle control, and a stereo Bluetooth input streams audio for playback. Recording is generous for the format: a 24x24 USB-B interface streams multitrack at 48 or 96kHz, and the SD slot records 24x22 at 48kHz or 16x16 at 96kHz. Dedicated input channels manage stereo USB and Bluetooth playback, and a dual footswitch connection adds hands-free control. An optional rack kit mounts it in a standard 19-inch rack.

FormatUltra-compact 20-in / 8-out rack / stagebox mixer, no screen (tablet controlled)
Sample Rate96kHz FPGA processing
FX Engines4 multi-FX engines
USB Interface24x24 USB-B (48 / 96kHz)
SD Recording24x22 (48kHz), 16x16 (96kHz)
WirelessBuilt-in dual-band 2.4G / 5G AC Wi-Fi with auto channel select, RJ45 network socket
PlaybackStereo USB and stereo Bluetooth, each with a dedicated input channel
ControlDual footswitch connection
Allen & Heath CQ Series Overview