A solid state amp for bass. It has great sound, light weight and compact dimensions. Kombo is equipped with one 12'' speaker, piezo tweeter and rear bass reflex. In addition, it offers 8 Ohm impedance and 500 W RMS output power at 4 Ohm (when connecting external speakers) and 300 W RMS at 8 Ohm. The control panel is located on the top and includes a 6.3 mm jack input for passive or active bass and XLR plugs for electro-acoustic bass or microphone. The sound is adjusted using the Gain, Master, Bass, Mid Low, High High, VLE (Vintage Loudspeaker Emulation) and VPF (Variable Pre-shape Filter) potentiometers. The amp has a built-in 6.3 mm/Speakon-Combo speaker out, Post EQ, line out, Ground-Lift switch, unbalanced tuner out and in/out for parallel effect loop.