The REV500 offers tremendous power due to the incorporation of the Yamaha DSP3 chip. This third generation DSP yields 32-bit internal processing which results in a denser, richer reverb with very smooth decay. The REV500 features 20-bit A/D and D/A oversampling converters (44.1 kHz sampling rate) for high dynamic range (96 dB typical) and extremely low noise. With independent left and right channels, the unit offers true stereo reverb processing, unlike some pseudo stereo reverb units. Included in the REV500 are two built-in sound sources-snare drum and cross stick- which can be used by the end-user to easily set reverb parameters without an external signal source. Additionally, the REV500 includes a built-in demo. Using the internal sound sources, the REV500 automatically plays a sampling of its 100 effects while the large LCD display prompts the customer with scrolling text. The REV500 is easy to use with a large custom LCD display and dedicated rotary controls for the four most critical reverb parameters. When parameters are adjusted, the display instantly projects a graphic representation of decay, pre-delay times and frequency content of the reverb. The display graphics make changes in the REV500 programs visually apparent as well as to train the user on the relationship between reverb components and their effects. To make the selection of reverb programs as easy as possible for the end-user, the 100 preset and 100 user programs are categorized into four sets of 25: Halls, Rooms, Plates and Special Reverb Effects. Professional connections are furnished on the REV500 which include balanced XLR and 1/4-inch phone jack connections to allow easy hookup to pro or semipro gear. Input and output levels for each channel are switchable between - 10 dB and +4 dB. Level setting is simplified on the REV500 with a dual level control and two four-segment LED level meters. The REV500 is designed to be fully MIDI-compatible. It supports real-time parameter control via MIDI Control Changes and program selection via MIDI Program Changes. MIDI Bulk Dump is used for user program backup. Optionally available for the REV500 is a footswitch which can be used to mute the reverb effect or select reverb programs. The effect selection order is determined by the MIDI Program Change Map. $150.00 or best offer.......write me or call me at (702) 480-6932........I am in NW Vegas....... Location: NW Vegas it's NOT ok to contact this poster with services or other commercial interests nevada