Class AB
Discrete high current drivers and output devices
Woofer volume control
50Hz to 100Hz continuously adjustable low pass 12dB electronic crossover
Crossover on/off switch
Low and High level input, summed to mono signal
Low and High level all pass output
Phase inverter switch
Master power switch
Auto power on/off activated by input signal
4dB boost @ 25Hz, 15Hz High pass

Specifications:

Power output Watt@4 ohms: 300
THD: 0.08%
S/N ratio @ rated power: 85dB
Input sensitivity @ 100Hz - low level: 75mV
Input sensitivity @ 100Hz - high level: 3.5V
Input impedance: 22k ohms
Variable Low Pass Crossover Frequency: 50-100Hz
Weight: 14.5 lbs
Dimensions W x H inches: 9-7/8 x 9-7/8
Cutout hole W x H inches: 8-7/8 x 8-7/8
AC Voltage: 115 / 230 switchable