General Mixer Specifications
Channels & Processing
•Input Channels: 32 mono channels
•Mix Channels: 40 total digital mix channels
•Mix Buses: 26 total:
•16 FlexMix (configurable as aux, sub, or matrix)
•4 FX buses
•4 Subgroup buses
•Main stereo bus
•DCAs: 24 digitally controlled amplifiers (DCA groups)
•Faders: 17 touch-sensitive motorized faders
•DSP: Dual-core FLEX DSP engine with 286 simultaneous processors
•Fat Channel Processing:
•Per-channel HPF, gate/expander, compressor, limiter, 4-band EQ
•Output busses include parametric EQ, limiter, delay, and other processing
•Internal Processing: 32-bit floating point, 48 kHz sampling, 24-bit A/D/A converters
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🎚️ Inputs & Preamps
Analog Inputs
•Mic Inputs: 8 × XLR (mic only)
•Mic/Line Inputs: 8 × XLR-1/4″ combo jacks
•Aux Returns: 4 × 1/4″ TRS (2 stereo pairs)
•Talkback Mic: Dedicated XLR input with phantom power
•Tape Inputs: 1 × RCA stereo pair (unbalanced)
Mic Preamps
•Preamp Type: XMAX recallable, fully controlled digitally
•Phantom Power: +48 V (selectable per channel)
•Frequency Response: ~20 Hz–20 kHz ±0.5 dBu
•Input Impedance (Line): ~10 kΩ
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🔊 Outputs
Analog Outputs
•Main Outputs: 2 × XLR (balanced)
•Stereo RCA Tape Output (unbalanced)
•Mono Summed XLR Output
•Subgroup/Aux/Matrix Outs:
•6 × XLR
•4 × 1/4″ TRS
•Monitor Outputs: 2 × 1/4″ TRS
•Headphone Output: 1 × 1/4″ TRS
Digital I/O
•AES/EBU Output: 1 × XLR digital out
•AVB Audio Network Port: 1 × RJ45 for AVB network I/O
•Network Control Port: 1 × RJ45
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💾 Recording & Interface
Onboard Recorder
•Multitrack SD Recorder: Up to 34 tracks (32 channels + stereo mix) recorded to Class 10 SD/U3 card
•Virtual Soundcheck: Record/playback without a computer
USB Audio Interface
•USB: USB-B 2.0 connection
•USB I/O Channels: 64 in / 64 out over USB (total 128 channels)
•Simultaneous Recording: Record to SD and USB computer simultaneously
•DAW Control: MCU/HUI support and remote mixing via UC Surface (Mac/Windows/iPad/Android)
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📡 Networking & Remote Control
•AVB Networking: Connect NSB stage boxes, EarMix personal monitors, and multiple StudioLive units
•Remote Mixing: UC Surface control software for computer and mobile devices
•Wireless (Bluetooth): Bluetooth 4.1 support
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🧰 Effects & Processing
•FLEX FX Multi-effects: 4 slots for classic reverb and delay algorithms
•Fat Channel Plug-ins: Vintage EQ & compression models on every channel and bus
•Scene Management: Advanced scene recall and organization
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🔌 Physical & Power
•Rack Size: 6 U subcompact rack » ~17.6″ W × 23″ D × 6.5″ H (~44.7 × 58.3 × 16.5 cm)
•Weight: ~23.2 lb / 10.5 kg
•Power: 90–230 VAC, 50/60 Hz (85 W typical)
•Operating Temp: 32–104°F / 0–40°C
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📦 Software Included
•PreSonus Capture Live-Recording Software
•Studio One Professional DAW License
•UC Surface Mix Control Software
•QMix-UC Personal Monitor Control
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Roku Ultra 4660R 4K HDR HD Streaming Player
1 × $40.00 
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