Allen & Heath ZED-12FX Mixer - 6x mic/line inputs, 3x dual stereo inputs, DuoPre preamp with 69dB gain, 4x aux sends, USB interface, channel inserts, channel mutes, hi-pass filter, stereo return, 2-track return, 1/4" and 3.5mm headphone output, FX with tap delay, stereo record output, mono output.