Designed with more control in mind. Virtually unlimited tone-shaping and plenty of power for maximum headroom in any playing situation. Selectable tube and solid state preamps for a rainbow of new tone colors. Pinpoint equalization, tone control and compression to fine-tune each sound. Built rugged, each amp is known for the clean, high-impact sound that put Hartke on the map.250 watts per side at 4 ohms/170 watts per side at 8 ohms. Biamp or mono full range operation. Selectable tube & solid state preamps. Bass & treble contour controls. 10-band graphic EQ. Adjustable compression and variable active crossover with balance control. Balanced XLR output.