Used board and pedals, power supply included, everything works great! -MXR Dyna Comp: The Dyna Comp is a compressor that lets you set a maximum output level and the sensitivity at which it kicks in. This device can produce that percussive, clicky sound on a clean guitar that you've heard on so many pop hits. It can also even out the volume of sustained tones for mellow lead work, Power: Single 9-volt battery or Dunlop ECB-003 AC Adapter - Controls: Footswitch toggles effect on/bypass (red LED indicates on) Output knob sets compressed (attenuated) output level Sensitivity knob sets compression ratio (highest sensitivity is maximum compression). -MXR Noise Gate Line Driver: 1970's MXR Noise Gate/Line Driver pedal has been developed to solve the problems of background noise and hum that occur in performance. It also provides a convenient high/low impedance interface for direct signal taps. In other words: It is used to boost your signal and cut noise to your amp. Usually it is the last pedal before the amp. -Dunlop Cry Baby Wah: The Original Cry Baby Wah! When people talk about wah pedals, they're talking about the Crybaby. This is the original - the one that created some of the most timeless sounds in rock. Relied on by Jimi Hendrix, Eric Clapton, Buddy Guy, David Gilmour, and many other greats Features heavy die cast construction for years of reliability, and a 100K ohm Hot Potz potentiometer that allows for that quick, abrupt wah sound.. Features: - Heavy die cast construction for years of reliability - 100K ohm Hot Potz potentiometer that allows for that quick, abrupt wah sound