The Alesis Midiverb II Digital Multi-Effects Processor is a rack-mountable 2-channel reverb unit designed for professional audio applications. With built-in effects and a variety of input/output ports including MIDI, 6.35mm TRS/TS, and DIN, this digital processor offers versatile sound modification tools for musicians and audio engineers. The sleek black design and compact 1U rack unit height make it easy to integrate into existing setups, providing high-quality reverb effects for enhancing music and sound recordings. Ideal for expanding audio capabilities in both studio and live environments, the Alesis Midiverb II is a reliable choice for achieving professional-grade sound quality.
Tested. Works great and very easy to use. 
Included (see pictures):Alesis Midiverb II Digital Multi-Effects Processor Power supplyPrinted Instruction Manual