The Ultra-DI Pro DI800 is a professional mains/phantom powered 8-channel active DI-box. If you need a rack-mountable DI unit with enough inputs to accommodate everyone on stage, or in the studio – then you need to plug into the DI800! • Professional and multi-purpose 8-channel direct injection box for stage and studio applications • Provides impedance and signal matching for the direct connection of instruments to mixer & amplifier • Ultra-flat frequency response due to servo-balanced operation • Optional mains or phantom-powered operation • Allows direct connection to speaker outputs with up to 3,000 Watts • +20 dB gain switch for pre-amplification of low-level signals • Switchable input attenuation allows input levels of up to +40 dB • Ground Lift switch eliminates typical ground loop problems