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Allen & Heath QU-SB

Allen & Heath QU-SB


Allen & Heath

  • £1,145.00
Usually shipped within 2-3 working days

Qu-SB is an ultra-compact digital mixer which frees you to mix from anywhere in the venue and provides a smart, portable solution for performing bands and artists.

Portable enough to carry under one arm and comes loaded with our highly acclaimed suite of FX emulations and dynamics, making it a smart replacement for an old analogue mixer and a rack full of outboard FX.

The companion Qu-Pad app is a slick, intuitive interface for setting up the show and mixing live from your iPad, and there’s also a customisable Qu-Control app that lets you choose just a few essential controls that you really need in front of you for easy access during the show.

Couple these with the Qu-You personal monitoring app for Android / iOS and Qu-SB is a fantastic choice if you’re mixing your own monitors and want to get the same great sound wherever you play.

With all of your settings saved and ready, plus multi-track recording and playback of previous shows for virtual soundchecks, you’ll be all set to play in record time.

On top of the 18 on board inputs and 14 outputs, Qu-SB has you future-proofed with plug n’ play expansion up to 38 inputs / 24 outputs via a family of remote AudioRacks.


  • 16 local Mono Mic/Line Inputs (TRS + XLR)
  • Recallable AnaLOGIQTM Preamps
  • 1 Stereo Input (TRS)
  • 12 local Mix Outputs (XLR)
  • 1 Stereo Output (TRS)
  • Expandable up to 32 input, 24 out using dSNAKE AudioRack
  • Up to 11 Monitor Mixes (4 mono + 7 stereo)
  • 4 Stereo Groups (switchable to Mix mode)
  • 4 FX Engines
  • 4 dedicated FX Sends / Returns
  • 4 Mute Groups
  • 4 DCA Groups
  • 32×32 USB Audio Interface
  • Qu-Drive Multitrack Recording / Playback direct to USB device
  • dSNAKETM Remote Audio Port
  • Qu-Pad fully-featured iPad App
  • Qu-You iPhone / Android personal monitoring app
  • Qu-Control customisable iOS app for simple wireless control
  • Trim, polarity, HPF, gate, insert, 4-band PEQ, compressor, delay on all Inputs
  • Insert, 4-band PEQ, 1/3 octave GEQ, compressor, delay on all Outputs
  • Automatic Mic Mixer
  • Channel Ducker on all Inputs
  • ProFactory Mic Presets
  • iLive FX Library
  • Built-in Signal Generator
  • RTA with Peak Band indication
  • Spectrogram to aid feedback elimination and room acoustics
  • DAW MIDI Control
  • Compatible with ME Personal Mixing System
  • 19” Rack Mountable with optional rack ears


      • Inputs
        • Mic/Line Inputs:  Balanced, XLR and 1/4" TRS jack, fully recallable
        • Input Sensitivity: (XLR / TRS) -60 to +5dBu / -50 to +15dBu
        • Analogue Gain: -5 to +60dB, 1dB steps 
        • Maximum Input: Level (XLR / TRS) +19dBu / +29dBu 
        • Input Impedance: (XLR / TRS) >5kΩ / >10 kΩ 
        • THD+N, Unity gain 0dB: 0.0005% -89 dBu (20-20kHz, Direct Out @0dBu 1kHz)
        • THD+N, Mid gain +30dB: 0.001% -83dBu (20-20kHz, Direct Out @0dBu 1kHz)
      • Stereo Line Inputs
        • ST1, ST2 connector: Balanced, 1/4" TRS jack, half-normalled
        • ST3 connector: Unbalanced, stereo 3.5mm Mini Jack
        • Input Sensitivity (ST1, ST2 / ST3): Nominal +4dBu / 0dBu
        • Trim: +/-24dB
        • Maximum Input Level (ST1,ST2 /ST3): +22dBu / +18dBu 
        • Input Impedance: >7kΩ
      • Outputs
        • Mix1-10 and LR Out: Balanced, XLR
        • Output Impedance: <75Ω
        • Nominal Output: +4dBu 0dB meter reading
        • Maximum Output Level: +22dBu
        • Residual Output Noise: -90 dBu (muted, 20-20kHz)
        • Stereo Alt Out & 2Trk Out: Balanced, 1/4" TRS jack
        • Source (Alt Output /2Trk Output): Patchable / LR post-fade
        • Output Impedance: <75Ω
        • Nominal Output: +4dBu = 0dB meter reading
        • Maximum Output Level: +22dBu
        • Residual Output Noise: -90 dBu (muted, 20-20kHz)
        • AES Digital Output: 2 channel, 48kHz sampling rate, XLR, 2.5Vpp balanced terminated 110Ω

      Physical & Dimensions

      • Width: 435.5mm
      • Depth: 174.5mm
      • Height: 161mm
      • Weight: 5.7kg

        Manufacturer: Allen & Heath

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