1.Multi-function guitar amplifier 2.Control :Tone(High,Mid,Bass) 3.Jack ... , bass, tenor, treble, 8” speaker 4FG-1010-15 W guitar sound box Wooden casing, input, degree of distortion, cut, ... box body size: 335*180*365 9PG-1010-15 W guitar sound boxWooden casing, input, degree of distortion, cut, ... , box body size: 285*120*275 10GA-1010-15 W guitar sound boxWooden casing, input, degree of distortion, cut, ...