Multi-function guitar effects unit with delay and reverb. - Brand: TECH 21 - Model Name: RK5 - Functions: Delay, Reverb, Tuner, Boost - Input/Output Terminals: MIDI IN, MIDI OUT, OUTPUT - Product Condition: Used Thank you for viewing. This is an analog multi-effects unit used by Richie Kotzen. I purchased it in June of this year and only used it twice in the studio, so it's like new. The dedicated adapter is not included, so please prepare your own.