FOR SALE USED IN GOOD WORKING CONDITION SONY SDP-EP9ES DOLBY DIGITAL PROCESSOR PREAMP W/REMOTE AND USER MANUAL. IT IS ALSO GRATE 2CH DAC. Features include: - 5.1 channel bypass - 3 toslink inputs - 1 coax digital input - 1 AC-3 RF input w/ RF demodulator - 1 digital out - adjustable crossovers from 120Hz - 60Hz for all speakers - equalizer - Sony Digital Cinema Sound - master volume control