BTDR-2 DIGI-LOG REVERB MODULE A great digital reverb sound that easily replaces a spring reverberation unit Features: Small package is half the size of the BTDR-1 Stereo outputs may be summed for mono operation Simple interface requires only input, output, +5V, and ground AC-coupled input and outputs require no external capacitors Please see
http://www.accutronicsreverb.com for more info.