Technical Specs STUDIO MASTER AiR 8U : 

Number of Inputs: 8 + CD In
Gain (Mic/Line) 60dB/40 dB
Mic (Gain Min/Gain Max): -5dBu / -60dBu
Line (Gain Min /Gain Max): +6dBu / -40dBu
Main Output level (Nominal / Max) : +0dBu (0.775V RMS) / +20dBu (7.75V RMS)
Frequency Response : 20Hz to 20KHz (+0/-3 dB)
Total Harmonic Distortion : < 0.03%
Signal to Noise Ratio : -85dB
Clip indication : 4 dB prior to true clip
Equalisation (Treble/Mid/Bass) : ±15dB @ 12KHz/2.5KHz/80Hz
EFX : Delay with repeat
Power Supply : AC 240 V/50Hz
Dimensions (W x D x H in mm) : 307 x 334 x 107
Net Weight (Kgs.) : 4.1