Allen & Heath ZED-18, Small Mixer, 10 Mic/Line inputs, 4 Stereo inputs, DuoPre TM Preamplifier with 69 dB Gain Range 4 AUX Sends, USB send and return, Insert per channel, High pass filter, Mute per channel, Stereo return, 2-Track return, 6.3 mm headphone connector, Stereo record output, Alternative stereo output, Mono sum of LR output, Master LR, 12-Segment L/R displays, Master control for AUX 1 and AUX 2, Suitable rackmount: Article number #279395# (not included), Suitable case: Article number #293227# (not included)