The Allen & Heath CQ-20B is an ultracompact 20-channel digital mixer designed for professional live sound, studio, and installation applications. Housed in a convenient rackmount or stagebox format, it combines powerful digital processing with intuitive wireless control, making it a flexible solution for musicians, engineers, and venues seeking premium audio performance in a portable design.
Featuring 16 mic/line inputs with pristine preamps, additional stereo inputs, and 8 balanced outputs, the CQ-20B delivers a wide range of connectivity for bands, events, and fixed installations. Built on Allen & Heath’s advanced 96kHz FPGA technology, it ensures low-latency, high-resolution sound quality with plenty of headroom.
The mixer offers intelligent gain sharing, automatic mic mixing (AMM), built-in effects, feedback suppression, and parametric EQs, giving you full control of your sound with minimal setup time. With onboard Wi-Fi, the CQ-20B can be wirelessly controlled from any device via the free CQ MixPad app, allowing performers and engineers to adjust levels, EQ, and effects from anywhere in the venue.
Compact yet powerful, the CQ-20B is ideal for mobile performers, rental companies, houses of worship, small venues, and studios looking for a reliable digital mixing solution with maximum flexibility in a minimal footprint.
FEATURES
- 16 Mic/Line Inputs + 4 x 1/4″ Inputs
- 2 XLR Main + 6 XLR Mix + 2 1/4″ Outputs
- 24×24 USB-B Audio Interface
- 24×24 Multitrack Rec/Playback via SD
- Stereo USB Rec/Playback + Bluetooth In
- CQ-MixPad Control App
- 96 kHz FPGA Processor with Built-In FX
- AMM, Feedback, FX Assist Engines
SPECIFICATIONS
Key Specs
| Max I/O Capacity |
20x Input / 8x Output
|
| Number of Analog Input Channels |
20 (16 Mono / 2 Stereo)
|
| Number of Mic Preamps |
16
|
| Number of Analog Output Channels |
8
|
| Faders & Level Adjustment |
No
|
| Built-In Effects |
4x Stereo Effect (Type Unspecified)
|
| Analog Inputs |
8x XLR 3-Pin Balanced Mic/Line Input
8x Combo XLR-1/4″ Balanced/Unbalanced Mic/Line Input
4x 1/4″ TRS Balanced/Unbalanced Stereo Line Input (2 Stereo Pair)
|
| Analog Outputs |
2x XLR 3-Pin Stereo Main Output (1 Stereo Pair)
2x 1/4″ TRS Balanced/Unbalanced Alt Output
6x XLR 3-Pin Balanced/Unbalanced Mix Output
1x 1/4″ TRS Unbalanced Stereo Headphone Output
|
| Digital I/O |
1x RJ45 (Network)
|
| USB I/O |
1x USB-A (Audio Playback, Audio Streaming, External Memory, Service)
1x USB-B 2.0 (Host Connection)
|
| Wireless |
Bluetooth / Wi-Fi
|
| Rack Mountable |
Yes
|
Mixer
| Max I/O Capacity |
20x Input / 8x Output
|
| Number of Analog Input Channels |
20 (16 Mono / 2 Stereo)
|
| Number of Mic Preamps |
16
|
| Number of Analog Output Channels |
8
|
| Mix Routing |
1x Stereo Main LRC
1x Stereo Subgroup
6x Mono Bus
|
| Groups |
No
|
| Presets |
No
|
| Faders & Level Adjustment |
No
|
Signal Processing
| Dynamic Processing |
Compressor, Gate
|
| Solo/Mute |
Solo, Mute per Input Channel, Bus, Master
|
| Built-In Effects |
4x Stereo Effect (Type Unspecified)
|
| Automatic Mic Mixing |
Yes
|
Connectivity
| Analog Inputs |
8x XLR 3-Pin Balanced Mic/Line Input
8x Combo XLR-1/4″ Balanced/Unbalanced Mic/Line Input
4x 1/4″ TRS Balanced/Unbalanced Stereo Line Input (2 Stereo Pair)
|
| Analog Outputs |
2x XLR 3-Pin Stereo Main Output (1 Stereo Pair)
2x 1/4″ TRS Balanced/Unbalanced Alt Output
6x XLR 3-Pin Balanced/Unbalanced Mix Output
1x 1/4″ TRS Unbalanced Stereo Headphone Output
|
| Phantom Power |
+48 V
|
| Digital I/O |
1x RJ45 (Network)
|
| MIDI I/O |
No
|
| USB I/O |
1x USB-A (Audio Playback, Audio Streaming, External Memory, Service)
1x USB-B 2.0 (Host Connection)
|
| USB I/O Capacity |
24x Input / 24x Output
|
| Other I/O |
1x 1/4″ TRS Footswitch Input
|
| Wireless |
Bluetooth / Wi-Fi
|
| External Display I/O |
No
|
Recording
| Max Multitrack Recording |
24 Tracks
|
| Media Support |
SD
|
Power
| Input Power |
100 to 240 VAC, 50 / 60 Hz
|
Physical
| Rack Mountable |
Yes
|
| Rackmount Size |
4 U (with Non-Included Hardware)
|
| Dimensions |
14.6 x 6 x 5.2″ / 372 x 153 x 133Â mm
|
| Weight |
5.7Â lb / 2.6Â kg
|
Packaging Info
| Package Weight |
10 lb
|
| Box Dimensions (LxWxH) |
17.6 x 10.6 x 10.1″
|
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