SKU: 87355486972

Polk Pad4000.4 Digital Power Amplifier 4 Channel

Sale price$170.86 Regular price$189.84
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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11

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Description

Polk Pad4000.4 Digital Power Amplifier 4 ChannelPa D4000. 4 Pad Series 4 Channel Amplifier 400W When Install Space Is At A Premium, But Your Sound System Demands Plenty Of Power To Realize Its Full Potential, Polk Audio&Rsquo; S New Super Efficient D Series Amplifiers Are A Very Cool Solution.&Nbsp; Polk'S Pa D4000. 4 4 Channel Amplifier May Be Small, But It Can Power Your Front And Rear Speakers With Up To 125 Watts Rms Each. &Nbsp; Or, You Can Switch This Little Beast Over To 2 Channel Mode To

Pa D4000.4 Pad Series 4-Channel Amplifier - 400W

When Install Space Is At A Premium, But Your Sound System Demands Plenty Of Power To Realize Its Full Potential, Polk Audio&Rsquo;S New Super-Efficient D Series Amplifiers Are A Very Cool Solution.&Nbsp;

Polk'S Pa D4000.4 4-Channel Amplifier May Be Small, But It Can Power Your Front And Rear Speakers With Up To 125 Watts Rms Each. &Nbsp;Or, You Can Switch This Little Beast Over To 2-Channel Mode To Drive A Couple Subwoofers With Up To 200 Watts Rms Each. &Nbsp;However You Use It, This Amplifier Will Fit In Almost Any Location.

Separate High- And Low-Pass Filters On The Front And Rear Channels Allow This Versatile Amp To Run A Variety Of Speaker Systems, Like Bi-Amped Mid-Bass And Tweeter Components, Or Two Front Speakers And A Sub.

Features:

  • Super-Efficient Class D Bridgeable Design - Runs Cooler Than Conventional Amps. &Nbsp; &Nbsp;
  • High-Speed Mosfet Switching Power Supply.&Nbsp;
  • Front And Rear Level Controls.
  • Protection - Thermal, Dc Offset, Reverse Polarity And Short Circuit.
  • Nickel-Plated Wire Terminals And Rca Connectors.
  • Stainless Steel Hardware.

Technical Specifications:

  • Number Of Channels - 4
  • Frequency Response - 20Hz - 20Khz
  • 2 Ohm Rms Power (14.4V) Per Channel - 4 X 200W
  • 4 Ohm Rms Power (14.4V) Per Channel - 4 X 125W
  • 4 Ohm Rms Power Bridge (14.4V) Channel - 2 X 400W
  • Signal-To-Noise Ratio - >105Db
  • Product Dimensions (With Panels) (H X W X D) -1.81'' X 10.94'' X 6.75''

*Sold As An Individual

Warning: This Product Can Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer, Birth Defects Or Other Reproductive Harm. For More Information Go To P65Warnings.Ca.Gov.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 87355486972

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4.8 ★★★★★
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J
Just Chris
Cuba, US
★★★★★ 5
Silky smooth fabric
This is a cool and comfortable polo shirt. It's made primarily of polyester with spandex as well to give it added stretch. It fits as expected in my regular size. The color and pattern appear like they did online. It falls somewhere in between casual and dressy and should be suitable for most settings. The fabric is smooth with a bit of sheen and feels cool to the touch. I've machine washed and dried it several times and it still looks great. I love that it doesn't wrinkle and I never need to iron it. Everything seems well put together and I think the quality is great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
S
Sean
West Palm Beach, US
★★★★★ 5
Nice breathable golf shirt
Color: Light Blue, Size: X-Large
Decent light weight golf shirt, and it does match the photo. The shirt is breathable, stretchy, and it fit as expected for the size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
P
perch98
Lake Worth, US
★★★★★ 5
This is THE BEST Polo-Style Shirt I Have EVER Seen!!
Color: Light Blue, Size: X-Large, Color: Light Blue, Size: X-Large
OH MAH GAWD this shirt is SO soft that I would call it slippery!! It fits PERFECTLY and true-to-size. The material is a lightweight 'satin' type feel to it that I have NEVER felt before!! Hubby just LOVES this shirt!! The color & print is just GORGEOUS with the subtle sleeve contrast at the 'cuff' (see pics)!! It is great quality with a style that will NEVER look "dated", since it is "Polo Reimagined" with the use of the slick-soft material! Given all of THAT... this is a GREAT value at this price!!
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Reviewed in the United States on January 7, 2026
M
Verified Purchase
Michael Kulp
Charlottesville, US
★★★★★ 5
Highly Recommended Dress Shirt
Fit Type: Regular Fit, Color: White, Size: Medium
Honestly, I Love It. Fits Great, Neck Isn't Too Tight Like Most Shirts, And It's Comfortable. It Is 100% Cotton, So Dont Forget To Iron It Before Wearing It. High Quality Dress Shirt. Highly Recommended.
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Reviewed in the United States on October 21, 2025
J
Verified Purchase
Jim
San Leandro, US
★★★★★ 5
Surprisingly good shirt for the price
Fit Type: Regular Fit, Color: White, Size: XX-Large
I’m generally pleased with my purchase. I got a 2XL because the website it would fit my neck. Around the waist it fit similar to Amazon Essentials work shirts (like mechanics use which I find comfortable). It was snug around the waist when sitting, but I can’t complain because I have a belly. I did find the neck snug when buttoning the top button so it means the neck is 18 or 18.5 and I wear a 19/19.5 to have 1-2 fingers space in the collar. The shirt is surprisingly thick like Amazon’s work shirts, much thicker than other dress shirts from another brand. And I am pleased that this shirt has button holes like other Amazon shirts does, all vertical button holes except the last one at the bottom which is horizontal. That feature keeps the shirt from unbuttoning itself during daily movement at the office. A very nice feature! I was a little disappointed in how it was packaged however but I have to press and wash it anyway.
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Reviewed in the United States on February 24, 2023

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