• Ultra low-noise ULN design, highest possible headroom, ultra-transparent audio • Effective, extremely musical 3-band EQ plus Switchable low-cut filter on all mono channels • 12 balanced high-headroom line inputs with +4/-10 level selection on all stereo channels • State-of-the-art 4580 operational amplifiers provide lowest noise and distortion--better than 4560 op amps • 1 post fader FX send per channel for external FX devices