Operating Levels
Input
Mono channel (XLR) Input: -10 to -60dBu for nominal (+11dBu in max)
Mono channel Line Input (Jack socket): +10 to -40dBu (+31dBu maximum)
Stereo Input (Jack or phono sockets): 0dBu nominal (control = Off to +15dB)
Output
L/R Outputs ( XLR) Normal/DI out: 0dBu/-30dBu +21dBu/-9dBu maximum.
Aux & FX Outputs (Jack sockets): 0dBu nominal. +21dBu maximum.
Record & Monitor Outputs (phono sockets): 0dBu nominal, +21dBu maximum

Frequency Response
Mic in to Mix L/R Out, 30dB gain: +0.5/-1dB 10Hz to 30kHz.
Line in to Mix L/R out 0dB gain: +0.5/-1dB 10Hz to 25kHz
Stereo in to Mix L/R out: +0.5/-1dB 10Hz to 30kHz

THD+n
Mic in to Mix L/R Out, 10dB gain 1kHz +10dBu out: 0.002%
Mic in to Mix L/R Out, 30dB gain 1kHz: 0.01%
Line in to Mix L/R out 0dB gain 0dBu 1kHz: 0.003%
Stereo in to Mix L/R out 0dB gain +10dBu 1kHz: 0.002%
Gtr Input to Mix L/R Out, 0dBu, Boost OUT: 0.015%
Gtr Input to Mix L/R Out, 0dBu, Boost IN: 2% Second Harmonic

Headroom
Analogue Headroom from nominal (0Vu): 21dB
USB in & out headroom from nominal (0Vu): 14dB

Noise
Mic Pre EIN @ max gain 150R input Z 22-22kHz: -127dBu
Mix L/R out, L/R faders = 0, Levels min, 22-22kHz: -96dBu
Mix L/R out, L/R faders = 0, Levels min, 22-22kHz: -96dBu

USB Audio CODEC (Coder/Decoder)
USB Audio In/Out USB: 1.1 compliant 16bit.
Sample Rate: 32, 44.1, or 48kHz

Physical
Dimensions: 13.2"W x 10.8"D x 3.7"H (336 x 275 x 95mm)
Weight: 7 lbs (3.2kg)