Awesome preamp processor/Dolby Digital and surround decoder. Great condition. Comes with remote and manual. Asking $175 plus shipping. Purchase with confidence. My eBay id is "tlp-123". Here are the specs. The Sony SDP-EP9ES surround processor/preamp was an astounding accomplishment: musical sound from a $799 list processor, with performance to rival processors costing thousands of dollars more. "ES" = Elevated Standard, Sony's top of the line. Features Dolby Digital (AC-3®) decoding for surround sound that is far more dynamic, spacious and realistic; generates 5.1 separate channels of line-level sound for Left, Right, Center, Left Surround, Right Surround and Subwoofer Digital Dolby Pro Logic surround decoding brings home all the excitement and emotional impact of movie sound tracks; decodes and amplifies all the surround channels already encoded in most movie videocassettes, many TV dramas and sports broadcasts Automatic processing selection senses when the incoming signal is Dolby Digital encoded and automatically applies the correct decoding; for conventional PCM digital audio, defaults to Dolby Pro Logic decoding Digital Cinema Sound system -a Sony exclusive that recreates the precise acoustics of real movie production dubbing stages at Sony Pictures Studios in Culver City, California; you'll hear movies the way the producers and directors heard them Digital Cinema Sound 3D processing overcomes limitations in rear speaker placement with Virtual Enhanced Surround, Virtual Rear Shift and Virtual Multi Rear effects 24-bit digital processing decodes the full dynamic range of Dolby Digital sound tracks; exceeds the processing capabilities of previous Dolby Digital decoders; uses 53rd-order x2 FIR filtering for superlative accuracy; performs 44 million digital calculations every second Speaker size setup with bass redirection compensates for inability of many rear speakers to handle the full 20 to 20,000 Hz frequency response of Dolby Digital surround channels; redirects surround bass to the front speakers or subwoofer; 16 possible settings for complete system flexibility Rear-channel stereo Six-channel test tone for system alignment Digital crossover control with five crossover frequencies for bass redirection Digital "i" volume control regulates current to achieve a full 20 bits of resolution at every volume level Digital balance control for superior accuracy Independent digital bass and treble controls for front, center and surround channels Full Feed Forward Digital Filters with 3-stage oversampling for reduced requantizing noise; filter uses 8x oversampling, 45-bit internal processing and 20-bit outputs Current Pulse Digital-to-Analog Converters use highly accurate current source for greater precision than voltage sources, greater immunity to power supply voltage fluctuations Ultra-Rigid Frame & Beam Construction reduces the spread of vibration inside the chassis for reduced microphonics in low-level stages, purer sound Anti-resonant insulator feet with off-center drilling to minimize the transmission of shelf-borne vibration Set-up Wizard steps you through the process of initial set-up; makes sophisticated adjustments easy 20-character dot matrix display for accurate, informative function readouts Motorized master volume control with indicator LED Three Optical Digital Inputs to accommodate DVD Players and other Dolby Digital sources Coaxial Digital Input for high-quality digital-to-digital connections Single Optical Digital Output for high-quality digital-to-digital connections Dolby Digital RF Input Demodulator for Dolby Digital decoding with compatible Laserdisc players Analog Outputs: Front L/R, Center (2), Rear L/R, Subwoofer Bypass Inputs: Front L/R, Center, Rear L/R, Subwoofer. Allows hookup of existing surround processor or preamp.