Preowned GFX-707 multieffects in very good condition. Includes 48 effects (e.g. distortion, chorus, flanger, delay, reverb, etc.), amp simulator, 45 preset drum rhythms, 60 memory patches (30 preset, 30 user), built in tuner, and a built in expression pedal. Powered either by 9V battery or 9V power supply (included). In very good condition, showing minimal signs of wear and comes with manual and original power supply.