The Thrasher 50 is a 2 channel /4 mode 50 watt tube (4-12AX7/2-6L6) head. It has high & low frequency gain controls, a full EQ on channel 1, and tone control for the clean channel. There is a global tube boost, presence/depth power amp voicing, and a class A discrete instrument level Loop. With heavy duty metal front and rear grills andcorners, this little amp can take a thrashing. There is a footswitch included.