This is a BOSS GT-PRO Guitar Effects Processor in excellent used condition. This rackmount unit features BOSS's acclaimed COSM technology, offering a wide array of amp models and effects including chorus, delay, reverb, wah, and EQ.

The GT-PRO is perfect for guitarists seeking studio-quality sound and extensive tone-shaping capabilities in a durable, road-ready package. All functions and controls are fully operational, and the unit shows minimal signs of wear.