Polk Audio PA D4000.4 4 Channel Amplifier

Part #: PAD4000.4

• Power Output:
  200W x 4 RMS @ 2 Ohms;
  125W x 4 RMS @ 4 Ohms

• Super-efficient Class D design runs much cooler than conventional amps.
• High-speed MOSFET switching power supply.
• Toroidal transformers help keep the amplifier’s sleek design under 2 inches tall while ensuring plenty of clean, efficient power.
• Protection: Thermal, DC offset, reverse DC voltage and short circuit protection.
• Nickel-plated wire terminals and RCA connectors ensure maximum signal transfer.
• Front and Rear Level Controls—Adjust the gain of the front and rear channels to match the output voltage from your head unit.
• Low-Pass and High-Pass Frequency Controls—enables you to adjust crossover overlap for better blending of speakers.
• Front and Rear BPF, FULL, HPF Switches— Selects full range, high pass filter, or band-pass filter to dial in your speaker blending.
• Channel Mode Switch (ST/4Ch)— In the Stereo position, the amplifier will send the same signal to front and rear channels.
• Stainless steel hardware used throughout won’t corrode in humid environments.