This amp features a Gain, Volume, Master, Low, Mid, High,Reverb Control Panel, Gain in/Gain out Headphone Socket, 15 Watts Power Rating, Solid State Circuit Design, 8" Heavy Duty Speaker, Traditional Orange Style, 36cm x 31cm x 20cm Dimensions, 8kg Gross Weight. The Crush 15R has all of the features as the Crush 15, but with the addition of a spring reverb.