We offer sound devices mixpre-d (two channel audio compact field mixer. transformer-balanced mic/line selectable inputs 48-volt or 12-volt phantom power "unclippable" input peak limiters, dual-mono or stereo linked operation input panning to left, center, or right outputs mid-side stereo (ms) matrix with width control and front-panel channel flip return can be used as ch3/ch4 aux-level inputs, selectable pan and level control high-pass filters, 80 hz or 160 hz slate microphone and tone oscillator mic/line/aes digital selectable outputs, digital sr of 44.1 , 48 , or 96 khz 24-bit, class-compliant usb streaming output for interconnection with mac os, windows, linux, and select ios devices, computer audio in mixpre-d headphonesdedicated mic-level output on locking ta3 connector for unbalanced camera inputs headphone monitoring of program audio or external return audio sunlight-viewable, 16-segment gan led output meter with adjustable brightness internal battery-power from two aa external power input, 10-18 vdc high-strength, extruded aluminum chassis with metal connectors also selling other models field mixerssd302sd552mixpre-d digital audio recorderssd702sd702tsd722sd744tsd788t video recorderspix 220pix 240pix 260 please check with us if not listed here for more brands & products in details please contact us