BL100-GTB is a versatile amplifier for bass guitar, complete with a 12ax7 in the pre amp stage and a MOSFET power amp end stage. It delivers a warm, full sound and really brings out the depth of the bass guitar. With two separate ways of setting the EQ, you can get a wide range of tones from this amp, suitable for anything from vintage classic rock to funk and R&B. Choose between vintage-style bass, middle and treble knobs, or a full 5-band graphic EQ. This amp comes with a footswitch, allowing you to instantly switch between the two EQ modes instantly.