1) I have a KENWOOD KDC-W5541U radio
2) a Kicker 10" Shallow subwoofer in sealed kicker box
4 Ohm
Peak power 800 watts
400 watts RMS
3) a Audiobahn A4002T 2-channel car amplifier
SPECS
400 watts MAX x 2 at 2 ohms
200 watts RMS x 2 at 2 ohms
100 watts RMS x 2 at 4 ohms
400 watts RMS x 1 bridged output
stereo or bridged mono output
Tri-way capable (Tri-Way Crossover required)
Class A/B MOSFET Circuitry for best sound
PWM MOSFET Power Supply for Power Reliability
Double Sided Glass Epoxy Printed Circuit Board
40-amp fuse
50-750 Hz high-pass/50-120 Hz low-pass crossover, 18 dB/octave
18 dB bass boost at 50 Hz (switchable on/offSubsonic Filter from 20Hz - 50Hz for cleaner sound
RCA Throughput Connections for additional amplifier
Cooling Fan
Air Induction Fan Cooled Temperature Control
speaker- and preamp-level inputs
3-way Protection Circuitry for Thermal, Short
fan without blade small fans room exhaust fans