Mesa Boogie CabClone 16 Ohms, passive speaker simulation, for amps up to 150 watts, headphone amp, jack input, THRU out (jack), 3-way minitoggle for cab-voicing (open/closed/vintage), variable DI-Output level control with presets for dynamic mic level (-30dB), symetric XLR DI-out, symetric line level out, headphone out, phase switch (180 degree), ground lift switch, 16 Ohms