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Allen & Heath CQ-20B Ultra-Compact 20-Channel Digital Mixer with Integrated Dual-Band Wi-Fi

SKU: AHCQ20B MFR: AH-CQ20B
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Key Features

  • Achieve pristine sound quality with this 20-channel digital mixer for live performances.
  • Effortlessly control your mix with intuitive EQ, ensuring a balanced and professional audio output.
  • Seamlessly record and playback via the USB interface, perfect for studio and live recording sessions.
  • Experience low noise performance, capturing every nuance of your audio with exceptional clarity.
  • Built for durability, this Allen & Heath mixer withstands the rigors of touring and frequent use.
  • Integrated Wi-Fi offers flexible control from anywhere, making mixing easier during live events.
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Special Order?Estimated to Ship: 08/17/2025
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Allen & Heath CQ-20B Specifications

Inputs
  • Mic/Line Inputs

    Balanced XLR, Balanced XLR/TRS Combi, fully recallable preamp

  • Input Sensitivity

    -60 to +0dBu

  • Input Sensitivity

    -60 to +0dBu

  • Line Inputs (Combi Sockets)

    -20dB Pad (Fixed)

  • Hi-Z Inputs (CQ-20B 15&16)

    Relay switched, 1M Ohm impedance, 0 to +40dB gain

  • Analogue Gain

    0dB to +60dB, 1dB steps

  • Maximum Input Level

    +17dBu (XLR), +30dBu (TRS)

  • Maximum Input Level

    +17dBu (XLR), +30dBu (TRS)

  • Input Impedance

    >1.5k Ohm (XLR), >10k Ohm (TRS)

  • Input Impedance

    >1.5k Ohm (XLR), >10k Ohm (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)

  • Phantom Power

    +48V (+3V / -2V)

  • Stereo Line Input Connection

    Balanced, 1/4" (6.35mm) TRS Jack, Normal led

  • Trim

    +/-24dB

Outputs

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  • Main LR

    Balanced, XLR

  • Outputs 1-6

    XLR

  • Output Impedance

    <75 Ohm

  • Nominal Output

    +4dBu = 0dB meter reading

  • Maximum Output Level

    +22dBu

  • Residual Output Noise

    -88dBu (muted, 20Hz-20kHz)

  • 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

    Uses XCVI core custom bit widths in algorithms, up to 96bits

  • Latency

    <0.7mS, Local Mic Input to Main L/R, with all processing in or out

  • Operating Temperature Range

    32 Degree F to 104 Degree F (0 Degree C to 40 Degree C)

Connectivity

Jump to...
  • Wi-Fi Access Point

    802.11 a/b/g/n/ac (dual band, auto channel)

  • Bluetooth

    4.1

  • 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 (upstream): 24 channels
    Return (downstream): 24 channels

  • SD Card

    SDHC, 32 GB, UHS-I Speed class 10 for maximum channels
    Multitrack Record (Max): 24 channels @ 48 kHz
    Multitrack Playback (Max): 24 channels @ 48 kHz

  • Mains Power

    100-240V AC, 50/60Hz, IEC

  • Max Power Consumption

    45W

Physical

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  • Dimensions

    14.7 x 6.1 x 5.3" (372 x 154 x 134mm)

  • Weight

    5.8 lbs (2.6kg)

  • UPC Code

    6938122251618

11 Accessories for Allen & Heath CQ-20B Ultra-Compact 20-Channel Digital Mixer with Integrated Dual-Band Wi-Fi

  • All Accessories (11)
  • XLR Cables (5)
  • IPads & Tablets (6)

About Allen & Heath CQ-20B

CQ-20B Ultra-Compact 20in / 8out Digital Mixer with Wi-Fi
Designed for life on the stage, CQ-20B is the highest channel-count mixer in the range and is controlled via the free CQ MixPad app.

Mix Smarter. Work Faster. Sound Better
CQ takes our renowned processing and effects, adds exciting new assistive mixing tools, and packages it all up into our smallest, and most affordable, digital mixer series yet.

Quick and Complete

Pick Your Mixing Style
Every input channel on CQ can be switched between two modes.

Quick Channels offer instrument and application specific processing with the ability to dial in a full channel of processing via a single knob.

Need more control Switch to Complete Channels for advanced, in-depth tweaking of parameters.

Gain Assistant

Faster Setups
Setting the correct amount of gain for each channel isn't the most exciting task, and it quickly eats into your setup time with multiple channels to take care of.

CQ's Gain Assistant quickly and accurately sets the optimal gain level for your one or multiple channels and continues to monitor levels during the performance to prevent any nasty peaks or surprises.

Feedback Assistant

Say Goodbye to Feedback
CQ's Feedback Assistant automatically detects and eliminates problem frequencies using up to 16 filters per output so you can mix with confidence - and forget about feedback.

Pristine Sound

You Won't Believe Your Ears
CQ draws on technology from our latest generation of live sound consoles to deliver audio quality previously unimaginable at this level of mixer.

Pristine 96kHz audio is partnered with studio-grade onboard processing and an optimized suite of FX to set a new standard for what's possible with ultra-compact digital mixers.

Built-In FX

A New Breed of Effects
CQ introduces a new suite of high-quality, user-friendly reverb, delay and modulation algorithms with instrument-specific presets for speedy setup.

Selected units feature our new FX Assist tool, automatically shaping the effects and dynamically responding to your input signal to ensure your mix is enhanced by FX, not engulfed.

User Friendly

You're Always In Control
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.

CQ Apps

CQ MixPad
Remote Control of the Mix

CQ4You
Personal Monitor Mixing for Performers

Integrated Wi-Fi

Leave Your Access Point at Home
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.

Recording & Playback

Capture the Performance, Wherever You Are
CQ packs in multiple recording and playback options to ensure you're always ready to capture the performance.

An integrated USB audio interface enables easy multitrack recording, playback and streaming via your DAW, and an SD card slot is provided for reliable multitrack recording and playback on the go.

You can record and playback stereo files via USB key, and you can even playback from your phone via the built-in Bluetooth functionality.

The CQ-20B also includes an assignable Alt-Out - great for an engineer's IEM connection.

I/O

Get Yourself Connected
CQ-20B gives you all the connectivity you need to get going with 16 mic/line inputs plus two stereo line inputs.

When it comes to outputs, there's a pair of main mix outputs plus 6 outputs for monitor mixes - enough for the whole band - and an assignable Alt Output is also provided.

AMM

Simplify Speech
The integrated Automatic Mic Mixer (AMM) means you can instantly reduce background noise and improve clarity for speech applications without lifting a finger.

AMM is available on all input channels, making it the perfect portable mixer for conferences, podcasts, debates and small-scale theatre productions.

Allen & Heath CQ-20B Features

  • Inputs: 8 XLR, 8 XLR/TRS Combi, 4 TRS (stereo)
  • Outputs: 2 XLR (Main), 6 XLR (Monitors), Assignable Alt Out
  • 24 x24 USB-B interface (48/96kHz)
  • SD record/playback: 24 x24 (48kHz), 16x16 (96kHz)
  • Stereo USB record/playback with dedicated input channel
  • Stereo Bluetooth playback with dedicated input channel
  • 4 FX engines
  • Dual Footswitch connection
  • Assignable TRS headphone output
  • Built-in dual band 2.4G/5G AC Wi-Fi with auto channel select

Warranty Information

This product has a limited warranty of 12 months.

Key Features

  • Achieve pristine sound quality with this 20-channel digital mixer for live performances.
  • Effortlessly control your mix with intuitive EQ, ensuring a balanced and professional audio output.
  • Seamlessly record and playback via the USB interface, perfect for studio and live recording sessions.
  • Experience low noise performance, capturing every nuance of your audio with exceptional clarity.
  • Built for durability, this Allen & Heath mixer withstands the rigors of touring and frequent use.
  • Integrated Wi-Fi offers flexible control from anywhere, making mixing easier during live events.

What's in the box:

  • Allen & Heath CQ-20B Ultra-Compact 20-Channel Digital Mixer
  • Power Cable
  • Allen & Heath 1 Year Limited Warranty