
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.