Nady SPM-4250 Stereo Powered Mixers Mono inputs with both balanced XLR and 1/4" TRS line connections. One dual RCA auxillary input Fan-cooled, bipolar amplifier Built-in 32-bit Digital Sound Processor (DSP) emulates plate, gate, room, hall, and stadium reverbs Each channel features trim control, pad button, peak LEDs, high/mid/low EQs, effects send, pan, main and monitor level controls