Solid state bass combo. Power: 250 W RMS (max. 300 watts) Min output impadance: 4 ohm Speaker 1x15" custom Warwick Eminence + 1 inch hifi horn. Sound controls: Gain, Bass, Punch, Mid Freq., Mid Level, Attack, Treble, Master Clip LED diode. Defetable Limiter. Low Boost, High Boost filters. Mute switch. Effects Loop. Headphones output. Tuner out. XLR DI out with switches: ground lift ( XLR ), Sub Sonic(sub harmonics only), DI pre/post (before/ after EQ) Bass reflex design. Back handle and castor for easy turnaround.