OMNITRONIC TRM-402 is a 4-channel rotary DJ mixer with four stereo line/phono input channels and a separate mono microphone input. Each channel provides gain, high/low tone control, source selection and cue control. The mixer includes a 3-band master frequency isolator with boost and kill functions, booth and record outputs, adjustable headphone monitoring with cue mix/split, and a 12-digit stereo LED level meter. It has XLR and RCA master/booth outputs and a desktop metal housing.