Soundcraft Signature 12 Compact analogue mixing – your Signature sound Features :

High-Performance 12-input small format analogue mixers with onboard effects
Iconic Soundcraft® Ghost mic preamps with ultra-low noise performance
Renowned Soundcraft® Sapphyre British EQ with sweepable mid-bands per channel
Lexicon® Effects Engine featuring award-winning Reverbs, Delays, Choruses and Modulations
dbx® Limiters (High-ratio Compressors) on input channels
2-in/2-out USB audio playback and recording*
Switchable Hi-Z inputs for guitars, basses and other instruments
Hi-Pass Filters (low-cut) and 48V Phantom Power on all mic channels
Comprehensive Soundcraft® GB Series audio routing
Smooth premium-quality faders
Robust metal construction for tour-grade build quality and reliability
Internal universal power supply
* USB Interface Compatibility:
PC: Supports Windows 7, Windows 8 and Windows 10.
Mac: Supports Mac OS 10.7.x Lion through 10.11.x El Capita

Specifications
Height 113mm (4.4″)
Width 380mm (15.0″)
Length 388mm (15.3″)
Weight 5.66kg (12.5lb)