BASS HEAD AMPLIFIER 'MiniMAX ™. Bass amp in head format. 500 W RMS at 4 ohm. DDT speaker protection. Pre-gain control with TransTube® gain boost. 3-band EQ with Punch, Mid-shift and Bright controls. Bass enhancement low end Psycho-acoustic. Integrated direct output with ground lift and pre / post switch. 1/8 '' headphone output. Chromatic tuner. Speaker output and DI mute. Two 1/4 '' twist-lock combo outlets. Integrated effects loop. Active and passive input. 1/8 '' AUX input. '