From the manual:

The GP-8 is a versatile effect device that includes eight different effects.

• The GP-8's memory capacity allows to store the ON/OFF of the eight built -in effects and up to 128 different effect programs.
• Each effect program can be named within 16 letters.
• Owing to the output jack that features guitar amplifier's characteristic, the GP -8 can be directly connected to a mixer, therefore, is extremely useful for live performance and multitrack recording.
• The GP-8 can even turn on or off the effect of the non-MIDI effect device connected to the GP-8.
• Having the MIDI connectors, the GP-8 can control the external MIDI device and also be controlled by it. And more, the effect programs of the GP-8 can be recorded in a MIDI sequencer.
• Using the optional foot controller FC-100, you can change effect programs easier and quicker. The expression pedal EV -5 even makes it possible to change the value of the effect setting. A tuning unit may be used for speedy tuning."

In Very Good condition.

Listing includes only what is shown in the photos.