FX 4000D

Digital Class-D Mono Block Amplifier
MOS-FET PWM Power Supply
Stable into 1 Ohm Load Workable
24dB Octave Crossover Slope
Variable Low Pass Filter
Variable Subsonic Filter
Variable Bass Boost
Variable Phase Shift 
Multi-Way Protection Circuitry(Thermal/Over Current/Speaker short/Speaker DC protection)
Frequency Response : 10Hz ~ 350Hz
Input Sensitivity : 200mV ~ 6V
Signal/Noise Ratio : > 90dB
Efficiency : 82% @ 4 ohm, at 100Hz
Low Pass Filter : 30Hz ~ 300Hz
Subsonic Filter : 10Hz ~ 60Hz
Bass Boost : 0 ~ 18dB
Tested Voltage and THD : 14.4V & Less Than 1% T.H.D.
Wired Remote Controller (Optional)