Allen & Heath CQ-20B Ultra-Compact 20 Input Digital Mixer

The Allen & Heath CQ-20B Ultra-Compact 20 Input Digital Mixer is the highest channel-count mixer in the range and is controlled via the free CQ MixPad app.
Although the CQ-20B is designed for life on the stage, you're free to mix from anywhere in the venue via the free CQ MixPad app and the integrated dual-band Wi-Fi. CQ MixPad gives you control over all parameters of the mixer so you can soundcheck, mix and record from your mobile device or computer.
The CQ-20B is designed to be controlled via the intuitive CQ MixPad app and features powerful integrated dual-band Wi-Fi so you don't need to connect an access point or router to use apps for control of the mixer. Just connect your devices to the CQ's secure Wi-Fi network and you're ready to go.

Allen & Heath CQ-20B Ultra-Compact 20 Input Digital Mixer Features

- 20x Inputs to Mix (16x Mono/Linkable, 4x Stereo)
- Stereo MainLR Output
- 6x Aux Outputs (Linkable up to 3x Stereo)
- 8x XLR Mic/Line Input Sockets
- 8x XLR/Jack 'Combi' Mic/Line Input Sockets (2 with Hi-Z option)
- 2x Stereo Line Input Sockets (each 2x TRS)
- 8x XLR Output Sockets
- 2x TRS Alt Out Sockets
- Stereo Headphone Output
- Dedicated Stereo USB Input to Mix
- Dedicated Stereo Bluetooth Input to Mix
- 96kHz Input/Output Processing
- 4x Multi-FX Engines
- Built-In Dual Band WiFi (CQ as Host)
- RJ45 Network Socket (CQ as Client)
- USB-A For Stereo Audio Record/Playback and Data
- USB-B For Multichannel Audio Record/Playback (24x24)
- SD Card Slot for Multichannel Audio Record/Playback (24x24)
- Configurable Single/Dual Footswitch Connection
- Configurable Chromatic Channel Meter LED
- Rack Mountable (Optional Kit Available)
- IEC Mains Connection with Worldwide PSU
- Control Via Free Apps – Windows/MacOS/iOS/Android

Allen & Heath CQ-20B Ultra-Compact 20 Input Digital Mixer Specifications

Inputs:
- Mic/Line Inputs: Balanced XLR, Balanced XLR/TRS Combi, fully recallable preamp
- Phantom Power: +48V (+3V / -2V)
- Input Sensitivity: -60 to +0dBu
- Line Inputs (Combi Sockets): -20dB Pad (Fixed)
- Analogue Gain: 0dB to +60dB, 1dB steps
- Maximum Input Level: +17dBu (XLR), +30dBu (TRS)
- Input Impedance: >1.5kΩ (XLR), >10kΩ (TRS)
- THD+N, Unity gain 0dB: 0.002% -92dBu (20Hz-20kHz, USB soundcard, @0dBu 1kHz)
- THD+N, Mid gain +30dB: 0.004% -88dBu (20Hz-20kHz, USB soundcard, @-30dBu 1kHz)
- Stereo Line Inputs
  - Stereo Line Input Connection: Balanced, ¼-inch TRS Jack, Normalled (Left/Mono)
  - Input Sensitivity Nominal: +4dBu
  - Trim: +/-24dB
  - Maximum Input Level: +21dBu
  - Input Impedance: >10kΩ
  - Hi-Z Inputs: 1MΩ, JFET input stage, 0dB to +40dB gain

Outputs:
- Main LR Outputs: Balanced, XLR
- Outputs: 1-6 Balanced XLR
- Output Impedance: <75Ω
- Nominal Output: +4dBu = 0dB meter reading
- Maximum Output Level: +22dBu
- Residual Output Noise: -88dBu (muted, 20Hz-20kHz)

System:
- System: Measured balanced XLR in to XLR out, 0dB gain, 0dBu input
- Dynamic Range: 110 dB
- Frequency Response: +0/-0.5dB 20Hz to 20kHz
- Headroom: +18dB
- Internal operating Level: 0dBu
- THD+N, Mic routed to Main L/R Out: +10dBu input, 0dB system gain, 0.003%, -92dB (Relative, 20-20kHz)
- dBFS Alignment: +18dBu = 0dBFS (+22dBu at XLR output)
- Meter Calibration: 0dB meter = -18dBFS (+4dBu at XLR out)
- Sampling Rate: 96kHz
- Bit Depth: Custom, up to 96-bit
- Latency: <0.7mS, Local Mic Input to Main L/R, with all processing in or out
- Operating Temperature Range: 0° C to 40° C (32° F to 104° F)
- Power: 100-240V AC, 50/60Hz, 45W max

Record/Playback:
- USB-A:
  - Stereo Record: 48/96 kHz, 24-bit WAV format. Patchable from Outputs, ST in, or FX Units
  - Stereo Playback: 44.1/48/96 kHz, 16/24 bit, Mono/Stereo WAV files
- USB-B: USB 2.0, Core Audio compliant, ASIO/WDM for Windows, 48/96 kHz, 24-bit
- Send / Return: 24 channels / 24 channels
- SD Card: SDHC, 32 GB, UHS-I, Class 10 for maximum channels, 48/96 kHz, 24-bit
- Multitrack Record: 16 channels @ 96kHz or 24 channels @ 48kHz
- Multitrack Playback: 16 channels @ 96kHz or 24 channels @ 48kHz

Connectivity:
- Wi-Fi: Access Point 802.11 a/b/g/n/ac (dual band, auto channel)
- Bluetooth: 4.1 (high quality stereo playback)

Physical:
- Dimensions (W x H x D): 372 x 134 x 154 mm
- Weight: 2.6 kg