- Wholesale Deals at Bargain Prices

Car Audio, Car Stereo, Car Video, Car Speakers, Car Amplifiers, Car Subwoofers, GPS Navigation Systems, Car Alarms, Marine Audio, Home Audio

For orders and customer service, call us 1(888)615-5663


Free Shipping on Order $49+
Polk Audio :: PA D4000.4 :: $245.00

Polk Audio PA D4000.4

Item# 30248

800W 4-Channel Class D PA-Series High Performance Digital Car Amplifier

Sorry, this product is no longer available.

Power Handling:

  • 125W RMS x 4 @ 4 Ohms
  • 200W RMS x 4 @ 2 Ohms
  • 400W x 2 [Bridged] @ 4 Ohms

General Features:

  • 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.


  • UPC: 747192121938
  • Weight: 6
  • Sku: PAD40004
*Warranty: 1 Year warranty.
1 Year warranty from implies that repairs must be returned to, not the manufacturer. More information can be found in our help section under returns & warranties.
What's not covered : Misuse, abuse, defacement, physical damage of any kind, and improper installation / operation. Video and multimedia equipment with damaged or cracked screens.Subwoofers and speakers are not warranted against being blown, burned or abused.

Do you own this product?  Write a review

   Scott From Florida

This is one clean playing amp !!!! very powerful don't let the size fool you , got it playing on 4 massive audio rk6s 6.5 components . you cant go wrong with this amp get yours know !!!!