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Polk Audio PA D5000.5 (PAD5000.5)

900W RMS PA D Series Class-D 5-Channel Car Amplifier

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Product Features:


  • PA D 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 ohm): 500 watts x 1 chan.
  • CEA-2006 Compliant Amplifier
  • Pulse Width Modulated MOSFET power supply
  • Wired remote bass level control included
  • LED power (blue) and protect (red) indicators
  • Soft start turn-on
  • 5, 4, and 3 Channel Operation
  • Stable at 2 ohms for full range channels and 1 ohm at subwoofer channel
  • 4-way protection circuitry (thermal, overload, reverse polarity & speaker short protection)
  • Heavy duty aluminum alloy heat-sink
  • Nickel-plated RCA level inputs
  • Nickel-plated screw terminals
  • Subwoofer source selectable: Internal / RCA
  • Input sensitivity: 200mV - 6V
  • Frequency Response: 20 - 20,000 Hz
  • Total Harmonic Distortion (THD): <0.1%
  • Signal to Noise Ration: 105 dBA
  • Selectable crossover modes: FULL / HPF / LPF
  • Variable high-pass filter (front): 40 - 400 Hz, 12 dB/octave
  • Variable high-pass filter (rear): 40 - 4,000 Hz, 12 dB/octave
  • Variable low-pass filter (front): 80 - 4,000 Hz, 12 dB/octave
  • Variable low-pass filter (sub): 40 - 220 Hz, 12 dB/octave
  • Variable subsonic filter (sub): 20 - 38 Hz , 12 dB/octave
  • Fuse Rating: 40A x 2
  • Supply Voltage: 10V - 16V
  • 12 AWG Speaker Connections
  • 4 gauge OFC power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • Dimensions: 6-3/4"W x 13-5/16"L x 1-13/16"H
  • Authorized Internet Dealer
  • 90 Day Sonic Electronix Warranty

Check out the Polk Audio PA D5000.5 Owner's Manual

Important Note: Early versions of this amplifier included a "Terminal Adapter". As of 2015, Polk Audio has confirmed that they are no longer sending this adapter with their amplifier, albeit referenced in the user manual. We apologize for any inconvenience, and suggest browsing our selection of "Gauge Adapters" if you wish to use larger than recommended wiring. Thank you!


Second Depth
The second depth is used only when the box is slanted or angled. This value is the top measurement and it is measured in inches.
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
The height of the item, measured from top to bottom, in inches.
The width of the item from left to right (side-to-side) measured in inches.
Color of handle.

Warranty and Return Policy

Parts Warranty Duration
90 days
Labor Warranty Duration
90 days
Warranty Provider
Sonic Electronix

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating

Browse 4 questions and 11 answers
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Why did you choose this?
Sonic Electronix Store
Needed a 5 channel and seen the reviews on this.
raymond r on Jul 2, 2016
Replacing a unit in my Ski Nautique
HILGARDT L on Oct 12, 2015
Good price, great reviews
Njoman T on Dec 1, 2015
Best bang for buck and 1ohm sub channel drives 2x dual voice coil subs just nicely.
Darren C on Jul 9, 2015
Would this be a good AMP for a 2008 Mustang with the Shelby front door subs rated at 2 ohms and 4 Pioneer TS-D6802R speakers at 4 ohms, stock shaker head unit for now?
Most likely a Kenwwod Headunit
Jim J on Dec 2, 2014
Best Answer: Hello Jim,

The amp is great for ANY vehicle. However, you cannot run any amplifier with a different impedance front channel to channel. A solid amplifier like this one will work, but it will Dramatically decrease the life of the amp.
Reply · Report · Customer SStaff on Dec 3, 2014
· Add Answer · I Have This Question Too (1)
Will this amp be able to power two door speakers, 2 tweeters, and these subs Kicker Dual 12" Comp DC12 (10DC122)???
A shopper on Jul 24, 2016
· Add Answer · I Have This Question Too (1)
Can I run a 1/0 gauge wire to this?
Jordan on Jun 20, 2016
Best Answer: Spec says 4 awg. An adapter can be used to allow 0000 awg but it does not come with it.
Look for the manual to check it out. I think you have to contact PA about the adapter or use some other adapter.
Reply · Report · Kyle C on Jun 21, 2016
· Add Answer · I Have This Question Too (0)

Product Summary


Model Number

PA D5000.5



Internal SKU


Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Polk Audio PA D5000.5 (PAD5000.5)