BEHRINGER EURORACK UB1204-PRO Ultra-low noise design, highest possible headroom, ultra-transparent audio 4 state-of-the-art, studio-grade IMP "Invisible" Mic Preamps with 130 dB dynamic range for 24-bit, 192 kHz sampling rate inputs Effective, extremely musical 3-band EQ plus switchable low-cut filter on all mono channels 8 balanced high-headroom line inputs with +4/-10 level selection on stereo channels 2 aux sends per channel: one pre fader for monitoring applications and one post fader for external FX devices