The PDM-T series is a series of stage mixers equipped with a 32-bit DSP effect processor, stereo 7-band graphic equalizer, BT streaming capability and USB input/output for easy connection to the computer for music recording, etc. It's also possible to use the one click recording function for easy MP3 recordings on a USB stick. Each channel has its own gain control with treble, mid and bass controls. The microphone preamps offer selectable 48V phantom power on all microphone channels. The PDM-T mixers are designed to provide multi-channel mixing capabilities for bands, musicians, sound engineers, conferences, studio recording and a variety of other live stage applications.