Analogue mixing desk series allen heath zed interface usb dimensions 645 x 98 x 465 cm weight 105 kg number of channels 24 number of mono channels 16 number of stereo channels 4 aux sends 4 channel inserts 16 microphone inputs 16 line in 16 equalization 3 band eq features audio interface build in phantom power display led meter incl cakewalk sonar le