COMBO AMPLIFIER FOR BASS 'MAX 150. Bass amplifier in combo format. 150 W of power. Premium 12 "speaker. DDT ™ speaker protection. Pre-gain control with TransTube® gain boost. Three-band EQ with Overdrive, Contour, Mid-Shift, Bright, and Kosmos-C controls. Low-end enhancement Kosmos-C design for greater diffusion of low frequencies. Balanced direct line output with ground lift. Effects loop. Passive and active entry. 1/8 '' aux input. 1/8 '' headphone output. Combi 1/4 '' speaker output - Twist-Lock. Overdrive and Mute function controllable through footswitch. Chromatic tuner with Mute function. '