Allen and Heath ZED14 Mixer 6 Mic/Line inputs 4 Dual stereo inputs DuoPre TM preamp with 69 dB gain range 4 AUX Send USB send and return Insert per channel High-pass filter Mute per channel Stereo return 2 Track returns 6.3 mm Headphone connections Stereo record output Alternative stereo output Mono/Stereo function on AUX 1&2 Master LR Bar LR displays Master control for AUX 1&2 Dimensions (W x H x D): 384 x 95 x 465 mm Weight: 7.5 kg 19" rack mountable