Polk 5CH Amplifier

PA Series 5-Channel Class D Car Amplifier
RMS Power Rating:

4 ohms: 70 watts x 4 chan. + 200 watts x 1 chan.
2 ohms: 100 watts x 4 chan. + 400 watts x 1 chan.
Bridged, 4 ohms: 200 watts x 2 chan.
Subwoofer Channel (1 ohms): 500 watts x 1 chan.
Fuses: 2 x 40A

High-speed MOSFET power supply
Wired remote bass level control included
Efficient design to help amplifier run much cooler than conventional amps
Toroidal transformers ensuring plenty of clean, efficient power and a compact size
LED power (green) and protect (red) indicators
Soft Start Turn-on
Stable at 2 ohms for full range channels and 1 ohm at subwoofer channel
SUB/INT source switch for cleaner signal processing
Chanel Mode switch that sends same signal to front and rear channels
Non corroding stainless steel hardware for a sturdier look and feel
5/4/3 channel operation
4-Way System Protection circuitry (thermal, DC offset, reverse DC voltage, and short circuit protection)
Heavy duty aluminum alloy heatsink for extreme heat dissipation
Nickel-plated RCA level inputs
Nickel-plated screw terminals
Input sensitivity:

Low level: 200V-6V

Variable high-pass filter (40-400 Hz, 12dB/octave)
Variable low-pass filter (80-4,000 Hz, 12dB/octave)
CEA-2006 compliant amplifier
Frequency response: 20-20,000 Hz
Dimensions: 13-1/4"L x 6-3/4"W x 1-7/8"H