Allen & Heath CQ-20B Compact Digital Mixer

The CQ-20B is is an ultra-compact digital audio mixer designed to be operated via its built-in WiFi or through connection to a wired or wireless network.

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

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)