80 Watts RMS @ 8 Ohms; 100 Watts RMS @ 4 Ohms 12" Sheffield® 1230 speaker T-Dynamics® and presence control Two footswitchable channels 3-band EQ on each channel Modern/vintage voicing switch on clean channel High gain/modern/vintage voicing switch on lead channel Footswitchable effects loop w/ level switch External speaker jack--utilizes 112SX ext. speaker Resonance switch Reverb w/ level control Preamp out/power amp in jacks Footswitch included Dimensions: 20" H x 23.4" W x 11.3" D Weight: 46.4 lbs.