XPA Series XPA2100 XPA4100 XPA6100 Power Output: 4 ohms at < 1% THD+N: 50w x 2 RMS 50w x 4 RMS 200w x 1 RMS 2 ohms at < 1% THD+N: 75w x 2 RMS 75w x 4 RMS 300w x 1 RMS 4 ohms bridged at < 1% THD+N: 150w x 1 RMS 150w x 2 RMS 200w x 1 RMS Dynamic power: 300w 600w 600w User Manual User Manual [Fr] User Manual User Manual [Fr] User Manual User Manual [Fr] Preamp: Low level inputs (RCA) High level inputs (Speaker) Variable input level control Selectable crossover (high pass/low pass/full range) Variable high pass crossover Variable low pass crossover Variable crossover 12dB/Octave crossover slope 12dB Variable bass boost General: PWM MOSFET power supply 2 Ohm stable stereo operation Class AB output design Stereo/bridged simultaneous operation Bridgeable operation Extruded aluminum heatsink Barrier strip connection terminals Side mounted controls Auto-reset thermal overload protection Speaker short circuit protection Reverse polarity protection Bi-color LED status indicator