Ultra light 3.75lb. design Power: 375W/8 ohms; 600W/4 ohmsAnalog 12AX7 tube preamp3 DPM power managementHigh current class D amplifier & SMPS Active EQ w/parametric mids 3-Band signal shape circuit (Footswitchable) Speakon speaker outputs Variable speed fan cooling Full XLR direct out interfaceOptional footswitch available