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Polk Audio DXi Series 500 Watt RMS Amplified 6.5" Coaxial Speaker Package

PA D Series 4-Channel Class-D Amplifier with Two Pair of DXi Series 6.5" 2-Way Coaxial Speakers

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• 6-1/2" Coaxials
• 180 Watts Max Each, 60 Watts RMS Each
• Dynamic Balance polypropylene cone
• 3/4" (19mm) aluminum dome tweeter
• Class-D 4-Channel Amplifier
• 125 Watts RMS x 4 @ 4 ohm
• 200 Watts RMS x 4 @ 2 ohm
• 400 Watts RMS x 2 @ 4 ohm, Bridged

Learn more about the pad40004_2-dxi651

We apologize

This item has been discontinued

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Product Highlights


• 6-1/2" Coaxials
• 180 Watts Max Each, 60 Watts RMS Each
• Dynamic Balance polypropylene cone
• 3/4" (19mm) aluminum dome tweeter
• Class-D 4-Channel Amplifier
• 125 Watts RMS x 4 @ 4 ohm
• 200 Watts RMS x 4 @ 2 ohm
• 400 Watts RMS x 2 @ 4 ohm, Bridged

Description


Polk Audio brand icon

Authorized dealer

Polk Audio DXi651: Clean and Precise Sound




Klippel Motor Optimization:

The DXi651 is made with laser measurement technology via the Klippel Motor Optimization for a smooth excursion path at any volume. This creates a more efficient and long lasting speaker that performs great at low or high volumes.



Proprietary Dynamic Balance Technology:

Polk's engineers are able to design out driver and system resonances that cause distortion with the Dynamic Balance technology. The composite cones also feature a stiffness-to-mass ratio that allows the speakers to react to faster transients with finer detail. You not only get clarity, but function and precision.



What does Marine Certified mean?

The DXi Series speakers go through the ASTM (American Society for Testing and Materials) marine testing to become marine certified. The speakers go through two harsh tests: the B117-03 Standard Practice for Operating Salt Spray (Fog) Apparatus and the D4329-99 Standard Practice for Fluorescent UV Exposure of Plastics. The Salt Fog tests exposes the components 95° Fahrenheit and 5% salt solution for 500 hours and the UV test puts the speakers through 8 hours of UV-B light, black body temperature of 60 degrees Celsius and 4 hours condensate water, black body temperature of 40 degrees Celsius. These tests ensure these speakers will last in the harshest of marine environments.



Polk Audio PA D4000.4: Taking the PA D Series Into the Digital Era



Super High Efficiency Class D Topology

How does Polk Audio improve on their already popular and very well known PA D series amplifiers? With technology advances, Polk Audio has taken their PA D series into the digital amplification arena. This means a smaller foot print, a super-efficient design which allows for lower power consumption and does away with a larger power supply. This allows the new digital PA D series amplifiers to run far more efficiently with lower distortion and cutting or clipping. The new PA D Digital series amplifiers are available in a monoblock, 2-channel, 4-channel, and 5-channel configuration making them accessible for any application. With a height of under 2 inches for all four configurations, these amplifiers also offer a mounting convenience making them practically perfect for any vehicle. All four configurations feature a 4-way protection circuitry and stainless steel hardware that will not corrode, giving the amplifier longevity and a sleek and stylish look. Polk Audio is a known and trusted company and with these new PA D Digital series amplifiers not only are you getting the high Polk Audio quality, you are now getting the quality in a very high and efficient digital range.





Polk Audio DXi651 Car/Marine/ATV Speakers

360 Watt 6-1/2" DXi Series 2-way Coaxial Car Speakers - Marine Certified for Boat/ATV/Motorcycles!
Quantity: 2

General Features:

  • 6 1/2" DXi Series 2-way Coaxial Car Speakers
  • Comes with 6 3/4" adaptor rings for easy fit in VWs, Audis, BMWs and other European cars
  • Power Handling:
    • Peak: 360 watts per pair / 180 watts each
    • RMS: 120 watts per pair / 60 watts each
  • Recommended Power Range: 4 - 60 watts RMS per channel
  • Dynamic Balance polypropylene cone
  • Butyl Rubber surround
  • 3/4" (19mm) swivel-mount aluminum dome tweeter
  • Top-mount Depth: 2"
  • Cutout Dimensions: 5"
  • 4 ohm impedance
  • Frequency Response: 35Hz-22kHz
  • Sensitivity: 92dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • Priced Per Pair

Check out the DXi651 Owner's Manual



Polk Audio PA D4000.4 (PAD4000.4)

800W RMS PA D Series Class-D 4-Channel Car Amplifier
Quantity: 1

Product Features:


 

 
  • PA D Series 4-Channel Class D Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 125 watts x 4 chan.
    • 2 ohm: 200 watts x 4 chan.
    • Bridged, 4 ohm: 400 watts x 2 chan.
  • CEA-2006 Compliant Amplifier
  • Pulse Width Modulated MOSFET power supply
  • LED power (blue) and protect (red) indicators
  • Soft start turn-on
  • 4, 3 and 2 Channel Operation
  • 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
  • Input sensitivity: 200mV - 6V
  • Frequency Response: 20 - 20,000 Hz
  • Damping Factor: >100
  • Total Harmonic Distortion (THD): <0.1%
  • Signal to Noise Ration: 105 dBA
  • Selectable crossover modes: LPF / FULL / HPF , with 10x Multiplier
  • Variable high-pass filter: 20 - 400 Hz (10x Capable), 12 dB/octave
  • Variable low-pass filter: 50 - 500 Hz (10x Capable), 12 dB/octave
  • Fuse Rating: 40A x 1 + 35A x 1
  • 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 10-15/16"L x 1-13/16"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
Check out the Polk Audio PA D4000.4 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!

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Specifications & Details


Front Speaker Specifications
Speaker Size
6-1/2"
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Composition
Aluminum
Woofer Composition
Dynamic Balanced polypropylene
Woofer Surround
Butyl Rubber
Peak Power Handling
180 watts
RMS Power Handling
60 watts
Sensitivity
92 dB
Frequency Response
35 - 22000 Hz
Impedance (Per Voice Coil)
4 ohm
Top-Mount Depth (Mounting Depth)
2"
Amplifier Power Specifications
RMS Power @ 4 ohms
125 watts x 4 channel
RMS Power @ 2 ohms
200 watts x 4 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
400 watts x 2 channel
Amplifier Specifications
Amplifier Class
D
Number of Channels
4-Channel
Total RMS Power Output
800 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
<0.1%
Speaker Level Inputs
No
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
20 - 4000 Hz
Low-Pass Crossover Frequency
50 - 5000 Hz
Signal-to-Noise Ratio
105 dB
Remote bass/level controller
No
Fan Cooled
No
Fuse Rating
40A x 1 and 35A X 1
CEA-2031 Compliant
Yes
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

PAD4000.4_2-DXI651

Weight:

17.00lbs

Internal SKU:

pad40004_2-dxi651

Internal Product ID:

116395

Product and How-to Videos


  • Polk Audio PA D1000.1 Class D Monoblock PA Digital Series Car Amplifier
  • Polk Audio DXi Series Marine Certified Car Speakers | Product Overview

Customer Ratings & Reviews


Polk Audio DXi Series 500 Watt RMS Amplified 6.5

5 star
79%
4 star
19%
3 star
2%
2 star
0%
1 star
0%



Durability
4.6
Value
4.9
Features
4.8
Design
4.8
Usability
4.8

Customer Reviews

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great product!

The following review is for PA D4000.4, which is a part of the bundle you are viewing.

I bought this item 6 months ago and cant complain! I cant say anything about the durability other than it still works great. All the power and settings you need, in one small amp:) love it! Thanks Sonic.

By espen on October 24, 2012

35 found this helpful


Excellent little amp!

The following review is for PA D4000.4, which is a part of the bundle you are viewing.

I picked this up about 6 months ago, to go along with the PA D1000.1 sub amp.

Pros: it's tiny, powerful and very clean sounding. Nice looking too.

Con: It's a bit more expensive than it's competitors.

If you have the money, do it. I love this thing!

By Jason on July 1, 2012

30 found this helpful


This tiny amp will kick your butt!

The following review is for PA D4000.4, which is a part of the bundle you are viewing.

Clean design, compact dimensions, powerful and clean sound. I'm happy with this purchase.

By Pierre on June 26, 2012

30 found this helpful


WOW!

The following review is for PA D4000.4, which is a part of the bundle you are viewing.

Just received my amplifier today and i am just downright impressed by this amp. The size of the 4000.4 is just amazing considering how much power it produces. Hooked it up to some infinity 6x9's and pioneer 4x6's and thought i was going to blow them! The sound was crystal clear, got insanely loud, and sounded a ton better than my old Hifonics 4ch. Another great addition is the 0 gauge power and ground adapters. Great to give this power hungry amp the power it needs. Was skeptical at first because i never bought anything Polk but in the end NO REGRETS at all! If 50 watts rms is not enough for your speakers, upgrade to this amp just be sure you have quality speakers.

By JManz on September 15, 2011

31 found this helpful


So far so good!

The following review is for PA D4000.4, which is a part of the bundle you are viewing.

Bought this for our river boat, it's installed in the bathroom(no moisture). Ran it in 123 degree temp full volume for an hour, never shut down and was not much above ambient temps. Very impressed...

By Lance Loader on June 24, 2016

13 found this helpful


Money well spenr

The following review is for PA D4000.4, which is a part of the bundle you are viewing.

Always been a fan of Polk, grew up with it and its also my home theatre system. After seeing thr PAD4000.4 i thought this would bbe a nice addition to my car stereo system. Install was easy and its really loud and clear. Love it!

By GenesisJewce on July 5, 2015

16 found this helpful


Polk PA D4000.4

The following review is for PA D4000.4, which is a part of the bundle you are viewing.

Love this amp always been Alpine fan but this is by far the best amp I've owned very very loud and clean pushing 4 polk 6.5 and a polk 10" sub
Very easy to hide also.

By Robert on October 14, 2015

13 found this helpful


Great Amp and Service

The following review is for PA D4000.4, which is a part of the bundle you are viewing.

This amp pushes my JL mx 880's very well. The amp does a great job and no issues what's so ever. Most of all sonic electronic is a great place to buy from.

By Justin on August 14, 2015

14 found this helpful


Good little amp

The following review is for PA D4000.4, which is a part of the bundle you are viewing.

Upgraded from alpine f240 amp this polk blows it away. Very small and pretty powerful so far

By John on August 7, 2015 Checkmark Icon Verified purchase

14 found this helpful


Dxi 651 speakers

The following review is for DXi651, which is a part of the bundle you are viewing.

Polk has never disappointed me. The quality of product is much better vs Kenw00d or P10neer. So is their quality control and testing. I like how it came with a foam type of spacer to go between the speaker and door panel- helps reduce vibration kind of like Dynamat would. Some of their speakers I had before had like a spray-on rubber? on back of the speaker frame. Clearer sound always with them.

By DEAN on June 4, 2017 Checkmark Icon Verified purchase

10 found this helpful



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  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.