The Allen & Heath CQ-20B is a 20-input, 8-output digital mixer designed for musicians, bands, home producers, small venues, and AV installers. Controlled via the free CQ MixPad app, it offers flexibility and ease of use.​
**Key Features:**
- **Inputs:**
    - 16 mic/line inputs (8 XLR, 8 XLR/TRS combo)​
    - 2 stereo line inputs (4 x 1/4" TRS)​
- **Outputs:**
    - 2 main mix outputs (XLR)​
    - 6 monitor outputs (XLR)​
    - Assignable Alt Out (2 x 1/4" TRS)​
- **Processing:**
    - 96kHz input/output​
    - 4 FX engines​
    - Automatic Mic Mixer​
- **Connectivity:**
    - Built-in dual-band Wi-Fi (2.4G/5G)​
    - 24×24 USB-B interface (48/96kHz)​
    - SD card slot for multitrack recording/playback (24×24 at 48kHz, 16×16 at 96kHz)​
    - Stereo Bluetooth playback with dedicated input channel​
