The GTX15 features a Solo Channel with Gain and Level, Channel Switch, Clean Volume with 3 band shared EQ and 16 DSP effects for your instrument. Also included are RCA CD inputs and headphone and external speaker jacks and 8" speaker and 15 watts of power. Player Type: With 16 digital effect settings and rugged construction, the GTX15 is perfect for amateur players and any rehearsal space. At 15lbs, it is light, powerful, and versatile, which any musician can appreciate. GTX combo amps dissect tones with multi-layer effect contours designed for the most technically and sonically demanding players. Featuring intricately intertwining and infinitely variable settings on a brushed aluminum faceplate, GTX cuts like a scalpel to that hard-to-replicate sound. In rehearsal, recording, or performance—if technical accuracy or effects mastery is paramount, the "Tech Effects" series is indispensable.