Allen & Heath CQ-20B Compact Digital Mixer
The CQ-20B is an amazing ultra-compact digital audio mixer that can be easily operated via its built-in WiFi or by connecting to a wired or wireless network.
Features:
- • Effortlessly mix 20 inputs, including 16 mono/linkable and 4 stereo
- • Enjoy a stereo MainLR output and 6 linkable aux outputs
- • Benefit from 8 XLR mic/line input sockets and more
- • Connect via dedicated stereo USB, Bluetooth, and built-in dual band WiFi
- • Process audio at 96kHz with 4 multi-FX engines
- • Control via free apps for Windows, MacOS, iOS, and Android
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 Input:
- Stereo Line Input Connection: Balanced, 1/4' 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 bit depth, 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 48kHz
- Multitrack Playback: 16 channels @ 96kHz or 48kHz
- Connectivity:
- Wi-Fi Access Point: 802.11 a/b/g/n/ac (dual band, auto channel)
- Bluetooth: 4.1 (high quality stereo playback)
- Weights and Dimensions (Width x Depth x Height, Weight):
- As Used: 372 x 154 x 134 mm (14.7' x 6.1' x 5.3'), 2.6 kg (5.8 lbs)
- Packed in shipping box: 450 x 260 x 250 mm (17.7' x 10.2' x 9.8'), 3.3 kg (7.3 lbs)




The Allen & Heath CQ-20B Compact Digital Mixer is perfect for musicians, sound engineers, and event organizers on the go. Its ultra-compact design makes it easy to carry around, measuring 372 x 154 x 134 mm (14.7' x 6.1' x 5.3') and weighing only 2.6 kg (5.8 lbs). With 20 inputs, including 16 mono/linkable and 4 stereo, you can mix audio with ease. Connect via built-in WiFi, Bluetooth, or USB for seamless integration. Enjoy high-quality audio processing and recording capabilities. Ideal for live performances, studio recordings, and small events.