Inputs - Four
Type: Analogue, electronically balanced female XLRs (Pin 2 hot)
Impedance: 10kΩ
Maximum input level: +22dBu
Common mode rejection: Typically, -80dB at 1kHz

Outputs - Four
Type: Analogue, electronically balanced male XLRs (Pin 2 hot)
Output impedance: <60Ω
Maximum output level: +22dBu
Signal drive capability: <600Ω

EXT SIDECHAIN inputs - Four
Type: Analogue, electronically balanced Jack sockets
Impedance: 20k
Maximum input level: +22dBu
Common mode rejection: Typically -60dB at 1kHz

SOLO BUS input - One
Type: Analogue, electronically balanced female XLR (pin 2 hot)
Input impedance: 20kΩ
Maximum input level: +22dBu
Common mode rejection: Typically -60dB at 1kHz

SOLO BUS output - One
Type: Analogue, electronically balanced male XLR (pin 2 hot)
Output impedance: <60Ω
Maximum output level: +22dBu
Signal drive capability: <600Ω

Performance
Maximum gate gain reduction: Greater than -90dB
Maximum accent gain: +12dB
Maximum signal level any input or output: +22dBu
Noise at main output with unity gain: -94dBu
Distortion at 1KHz 0dBu with steady unity gain condition: <0.05%
Signal delay: 0 seconds
Frequency response: ±0.5dBu (input to output), 20Hz to 20kHz
Dynamic range: >116dB (22Hz to 22kHz unweighted)

Gate
Threshold: Scale = -50dB to +25dB
Range: Scale = -4 (minus infinity) to 0dB
Attack: Scale = 30µs to 10ms
Release: Scale = 2ms to 2s
Hold: Scale = 2ms to 2s
Accent: Scale = 0dB to +12dB

Filter
Sidechain filter: Scale = 40Hz to 16kHz

Terminations
Audio: 3-pin XLRs (male and female) and 1/4" TRS balanced jack sockets
Power: 3-pin IEC

Power requirements
Voltage: 100VAC to 240VAC ±10%
Frequency: 50Hz to 60Hz
Consumption: <25W

Dimensions
Height: 44.5 mm (1.75"), 1U high
Width: 483 mm (19")
Depth: 305 mm (12")

Weight
Net: 4.6 kg
Shipping: 5.6 kg

Operation
Temperature: +5°C to +40°C

Storage
Temperature: -20°C to +60°C