Skip to product information
1 of 3

Allen & Heath Qu-SB Compact Digital Mixer

Allen & Heath Qu-SB Compact Digital Mixer

SoundPro Item: 75343 | Part Number: AH-QU-SB

Regular price $999.99
Regular price $1,299.99 Sale price $999.99
Your Price Sold out
MSRP: $1,299.99 | MAP: $999.99

Usually ships in 5-7 business days

  • 19” Rack-mountable Digital Mixer for Live, Studio and Installation, with optional rack ears
  • Expandable up to 32 input, 24 out using dSNAKE AudioRack
  • Up to 11 Monitor Mixes (4 mono + 7 stereo)
  • Compatible with ME Personal Mixing System
  • 4 FX Engines
  • 32—32 USB Audio Interface
  • Qu-Drive for stereo and 18-track recording/playback to USB devices
  • Qu-Pad engineer’s mixing wireless remote app for iPad
  • Qu-You iPhone / Android personal monitoring app
  • Qu-Control customizable iOS app for simple wireless control
  • Automatic Mic Mixer
  • Channel Ducker on all Inputs
  • ProFactory Mic Presets
  • RackFX Library
  • Built-in Signal Generator
  • RTA with Peak Band indication
  • DAW MIDI Control
  • AnaLOGIQ™ total recall analogue preamps
  • 4 stereo FX with dedicated Sends and Returns
  • dSNAKE over Cat5 for remote audio
  • Compatible with Allen & Heath ME personal mixing system
  • Effects ported from the flagship iLive console
  • Automatic Mic Mixing
  • User Permissions to restrict operator access
  • Master strip for quick access to mix levels and processing
  • Input channel linking for stereo sources
  • 31 Band Real Time Analysis
  • Quick copy and reset of processing, mixes, and scenes
  • Channel Safes, Global and per Scene Recall Filters
  • FX, processing, and channel User Libraries
  • 100 Scene memories
  • USB transfer of Scenes, Libraries, Shows
  • USB streaming to/from an Apple® Mac or Windows™ PC computer
  • MIDI DAW Control driver for Mac (converts to HUI or Mackie Control)
  • Optimized fan-less airflow design for silent operation

Take your mix anywhere and everywhere with the Qu-SB Compact Digital Mixer from Allen & Heath. This ultra-compact mixer delivers smart, powerful, and portable solutions to performing bands and artists on the go. Small enough to carry under one arm or easily slip into a backpack or gig bag, the Qu-SB is packed with premium FX emulations and dynamics, making it a streamlined replacement for an analog mixer and rack-full of outboard FX.

The Qu-SB gives you all the connectivity you need to personalize your setup and optimize your sound. It comes with 18 onboard inputs and 14 outputs for connecting other audio gear. This mixer is also easily scalable, offering plug-and-play expansion options for up to 38 inputs and 24 outputs using remote AudioRacks (sold separately).

Be ready to play whenever the mood strikes with the Qu-SB mixer’s preset options. A companion Qu-Pad app lets you set up the show and mix live from the comfort of your iPad. A customizable Qu-Control app lets you pre-set the essential controls so you can effortlessly access them mid-performance. The Qu-You personal monitoring app (for Android/iOS) gives you lots of options for mixing your monitors, delivering consistent sound wherever you play. Allen & Heath’s Qu series features multitrack recording direct to USB, Automatic Mic Mixing, ProFactory mic presets, plus an ever-growing ecosystem of apps, accessories, remote I/O, and so much more.

Beyond the mixers themselves, Qu is a comprehensive setup with features that include:

  • Remote AudioRacks allowing I/O to be placed where it's needed
  • ME Personal Mixers expanding monitor mixes and enabling time-saving local control
  • Qu Apps for complete remote setup and wireless mixing on stage or anywhere else in the venue
  • ProFactory Mic presets to speed up preparation time and ensure the best sound
  • USB recording and DAW integration for powerful workflow optimization from a central device
View full details

Specifications

Dimensions
Threshold / Depth
-72dBu to +18dBu / 0 to 60dB
Bell Width
Non-constant Q, variable, 1.5 to 1/9th octave
Electrical
Maximum Power Consumption Qu-16/24/32/Pac/SB
82W/120W/150W/55W/49W
Audio
Output Impedance
<75Ω
Maximum Output Level
+22dBu
Frequency Response
+0/-0.5dB 20Hz to 20kHz
USB Audio Streaming
USB B, Core Audio compliant
Connectivity
Inputs
Mic/Line Inputs, Stereo Line Inputs
Nominal Output
+4dBu = 0dB meter reading
Residual Output Noise
-90 dBu (muted, 20-20kHz)
Source (Alt Output / 2Trk Output)
Patchable / LR post-fade
Outputs
AES Digital Output (not Qu-SB)
Network
TCP/IP Ethernet for MIDI and iOS apps
Input Processing
Source
Channel Direct Out to USB
Follow Fader, follow Mute (global options)
Construction
Insert
Assign FX1-4 into Input channels
Environmental
Operating Temperature Range
0 deg C to 35 deg C (32 deg F to 95 deg F)
General
Mix1-10 and LR Out
Balanced, XLR
Group and Matrix Out (not Qu-16)
(1/4" TRS Matrix Out on Qu-SB)
Stereo Alt Out & 2Trk Out (not Qu-SB)
Balanced, 1/4" TRS jack
dSNAKE
Outputs
Dynamic Range
112dB
Headroom
+18dB
Internal Operating Level
0dBu
dBFS Alignment
+18dBu = 0dBFS (+22dBu at XLR output)
Meter Calibration
0dB meter = -18dBFS (+4dBu at XLR out)
Meter Peak Indication
-3dBFS (+19dBu at XLR out), multi-point sensing
Meter Signal Indication
-48dBFS (-26dBu at XLR out)
Meter Type
Fast (peak) response
Sampling Rate
48kHz +/-100PPM
ADC, DAC
24-bit Delta-Sigma
System
Latency
Mains Power
100-240V AC, 50/60Hz
Qu-Drive
USB A
Stereo Record
2 channel, WAV, 48kHz, 24-bit, patchable
Stereo Playback
2 channel, WAV, 44.1 or 48kHz, 16 or 24-bit, to ST3
Multitrack Record
18 channel, WAV, 48kHz, 24-bit, patchable
Multitrack Playback
18 channel, WAV, 48kHz, 24-bit
Send (upstream) Qu-16/24/32/Pac/SB
24/32/32/32/32 channel, WAV, 48kHz, 24-bit
Return (downstream) Qu-16/24/32/Pac/SB
22/30/32/32/32 channel, WAV, 48kHz, 24-bit
Faders Qu-16, 24, 32
100mm motorised
Touch Screen Qu16, 24, Pac
5" TFT, 800x480 resolution
Touch Screen Qu-32
7" TFT, 800x480 resolution
Soft Keys
4(Qu-16), 10 (Qu-24, 32), 15 (Qu-Pac)
Mute Groups / DCA Groups
4/4
Stereo Linking
Odd/even input pairs
Polarity
Normal/Reverse
High Pass Filter
12dB/octave 20Hz – 2kHz
Delay
Up to 85ms
Gate
Self-key Sidechain
Attack / Hold / Release
50us to 300ms / 10ms to 5s / 10ms to 1s
PEQ
4-Band fully parametric, 20-20kHz, +/- 15dB
Band 1
Selectable LF Shelving (Baxandall), Bell
Band 2, Band 3
Bell
Band 4
Selectable HF Shelving (Baxandall), Bel
Compressor
Self-key Sidechain
Threshold / Ratio
-46dBu to 18dBu / 1:1 to infinity
Attack / Release
300us – 300ms / 100ms - 2s
Knee
Soft/Hard
Types
Peak Manual, RMS Manual, SlowOpto, PunchBag
Source Select (global)
Post-Preamp, Pre-EQ, Post-EQ, PostDelay
GEQ
Constant 1/3 oct, 28 bands 31Hz-16kHz, +/-12dB Gain
Internal FX
4x RackFX engine, Send>Return or Inserted
4 Dedicated Stereo FX Returns
Fader, Pan, Mute, Routing to Mix/LR, 4- Band PEQ
PAFL
PFL or stereo in-place AFL, 0 to -24dB Trim, 85ms Delay
Talkback
Assignable to any mix, 12dB/oct HPF
Signal Generator
Assignable to any mix, Sine / White/Pink/Band-pass Noise
RTA
31-Bands 1/3 octave 20-20kHz, follows PAFL source

Why Choose SoundPro?

Since 1972, SoundPro has been the trusted source for audio, video, and lighting gear. Whether you're starting your AVL journey or are a seasoned professional, we're here to help you every step of the way.

  • Certified Account Managers

    Our Account Managers, with 16+ industry certifications, are ready to find your solution.

  • Personalized Pricing

    We know every project is unique. Get a personalized quote anytime you need it

  • Fast Shipping & Local Pickup

    In stock items ship same day if ordered by 4pm CST. Pickup offered in Irving, TX.

  • Accountability from Real People

    We aim for a smooth, transparent experience by setting and sticking to clear expectations.

  • Easy Payments & Financing

    We accept all major credit cards and also offer financing through our partners.

1 of 2