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JL Audio XD-PCS4-1B 4 Gauge Amp Kit thumbnail image
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5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4.6
Features
5
Design
4.4
Usability
4.8

Customer Reviews

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great product...loaded into my Z

Great product, great sound, fast service, super easy fit. Thanks!

By shelbykev on July 16, 2012

51 found this helpful


Great Product

No problems whatsoever. Worked to spec. Thanks!

By chase on March 6, 2012

50 found this helpful


Great Product, Didn't Include Everything I Wanted

I'll start off with the good and say this is very high quality product. There was plenty of wiring to reach the subs in the back of my Yukon XL. However, the wiring kit did not include an RCA cable or spade terminals (I believe that's what they're called). I cannot dock the product any starts because of my lack of reading, but I really feel like for as much as I paid for this product it should include everything you need to install an amp. I'm happy with the product, but I wouldn't buy it again just because it didn't include the RCA cable.

By Matt on January 18, 2013

47 found this helpful


JL Audio XD-PCS4-1B 4 Gauge Amp Kit

Fast shipping great company arrived early exactly what was ordered

By Anonymous on May 11, 2018

38 found this helpful


well worth it

this is some top notch kit I have it ran in my pt cruiser about a year half ago from my local installer and I recommend it to all my friends and anyone who asks but buy it here because a installer will get double the price for this kit (pros) true gauge wire delivers the power my system needs to pound (cons) none I had it for over a year now

By freddie on December 16, 2015

37 found this helpful


By ED on March 23, 2024 Checkmark Icon Verified purchase

14 found this helpful


By Orvin on January 28, 2026 Checkmark Icon Verified purchase
2021 Toyota Tundra


By Charles on August 25, 2025 Checkmark Icon Verified purchase


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
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  • 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.