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Description
Pac Audio AP4-CH21 : Amplifier Add-On Interface Adapter, 2007-2018 Chrysler Dodge Jeep RAM (Amplified)Add On Amplifier OEM Integration Interface for Select 2007 2018 Amplified Chrysler, Dodge, Jeep and RAM Vehicles. AmpPRO simplifies the installation of upgraded amplifiers in data bus controlled amplified sound systems. With AmpPRO, you can improve audio performance while keeping an original radios fit, finish, and features. Simplifies amplifier installation It prevents the need for summing and DSP devices Provides factory sound system upgrade
Add-On Amplifier OEM Integration Interface for Select 2007-2018 Amplified Chrysler, Dodge, Jeep and RAM Vehicles.
AmpPRO simplifies the installation of upgraded amplifiers in data-bus-controlled amplified sound systems. With AmpPRO, you can improve audio performance while keeping an original radio’s fit, finish, and features.
- Simplifies amplifier installation
- It prevents the need for summing and DSP devices
- Provides factory sound system upgrade solution
Features
- It can be used to upgrade the entire sound system or just part of it, thanks to the original amplifier's retention.
- Enables the addition of a subwoofer system to the original sound system
- Variable volume, fade, balance, bass, mid and treble audio settings
- Front, rear, sub preamp outputs (5 volt RMS)
- Provides flat audio output for a solid audio foundation
- Customized OE bass, mid and treble center frequency selection
- Retains uConnect, Bluetooth audio, and all warning chimes
- Plug & play installation
- Sublevel controller
- Optional TOSLINK optical output (APA-TOS1 sold separately)
Includes
- AmpPRO module
- 22-pin harness (MS-CAN)
- Bass knob
- Knob harness
- Manual
Also available for fast, easy install: APH-CH01 harness (sold separately)
This product is compatible with data-bus-controlled amplified systems only. To identify these systems, look for logos on door speakers, tweeters, dash speakers, or the subwoofer to confirm if the vehicle has a compatible amplified system: Alpine, Beats, or Harman Kardon. Vehicle manufacturers do not always brand compatible systems. Unbranded amplified systems are generally identified by locating a center channel speaker or subwoofer.
Applications
-
CHRYSLER
Town & Country
With factory amplifier
2008-2016
DODGE
Challenger
With factory amplifier
2008-2014
Charger
With factory amplifier
2008-2010
Durango
With factory amplifier
2011-2013
Durango
With factory amplifier
2009
Grand Caravan
With factory amplifier
2008-2018
RAM 1500, 2500, 3500
With factory amplifier
2009-2012
JEEP
Grand Cherokee
With factory amplifier
2008-2013
Wrangler
JK, With factory amplifier
2018
Wrangler
With factory amplifier
2007-2017
Wrangler Unlimited
JK, With factory amplifier
2018
Wrangler Unlimited
With factory amplifier
2007-2017
RAM
1500, 2500, 3500
With factory amplifier
2010-2012
Documentation
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.3 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Excellent Ergonomic Chair
Color: Black, Size: Pack of 1
I am incredibly impressed with this chair. The setup was a breeze and took me less than 20 minutes from start to finish. It is exceptionally comfortable, offering fantastic ergonomic support that keeps my back pain-free during long hours of sitting. The materials feel premium and highly durable. Plus, the included 5-year warranty is incredibly helpful and provides great peace of mind. I highly recommend it to anyone looking for a reliable workspace upgrade!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Comfortable, Sturdy, and Great for Long Hours
Color: Black, Size: Pack of 1
I am very happy with this office chair. It was easy to assemble, feels sturdy, and is very comfortable to sit in for long periods of time. The ergonomic design provides good back support, and the adjustable features make it easy to find the perfect position. The mesh back keeps me cool throughout the day, and the chair rolls smoothly. Overall, it offers great quality for the price and has made working at my desk much more comfortable. I would definitely recommend it to anyone looking for a reliable office chair. ⭐⭐⭐⭐⭐
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Great Chair! Worth the Price!
Color: Sky Blue, Size: Pack of 1
LOVE my new desk chair! I got the Sky Blue which is a really pretty blue in person. I work from home in tech, and had been getting constant headaches no matter what position I was in. I finally decided to invest in a better desk chair, and I'm SO glad I did! It's much more supportive and comfortable. I really like that I can flip the arms up or down, and the height is easy to adjust. Also, because I can flip the arms up, I can keep the chair out of the way when I'm not working by putting it right up against the desk. Very much worth the price! Assembly was simply and quick. Not even 30 minutes. Also, when I had a question about the chair, their support team was quick to respond and very helpful. Highly recommend!
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Great quality chair, regardless of price.
Color: Black+white, Size: Pack of 1, Color: Black+white, Size: Pack of 1
Great quality chair, regardless of the price, period. So well packaged that it took almost as long to unwrap as assemble. Assembly was easy (loved the Allen wrench with sturdy handle). I am 6'2" and the fit and height adjustments work well for my height. Comfort is personal, so I like the semi-firmness of the seat. While the chair is constructed of heavy gauge plastic the base is solid metal with enamel finish: I love the look. The arm rests line up perfectly to my computer keyboard. I expect many, many years of service.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Great Value for a Comfortable Home Office Chair
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
I’ve been using this chair for a couple of days now, and honestly, it’s been a solid upgrade from my old one. I work from home most days, so comfort matters a lot—and this chair delivers better than I expected for the price.
The first thing I noticed was the lumbar support. It’s actually adjustable and makes a noticeable difference, especially if you tend to sit for long stretches. My lower back used to get sore after a few hours, but that hasn’t really been an issue since switching to this chair. The mesh back is also a nice touch—it keeps things breathable, which I didn’t think I’d care about until I had it.
Assembly was pretty straightforward. Took me maybe 20–25 minutes without any frustration. Everything lined up well, and the instructions were clear enough.
In terms of comfort, the seat is firm but not hard. It doesn’t feel like one of those super plush chairs, but I actually prefer that because it feels more supportive over time. The reclining feature is smooth, and I like that you can lean back a bit when you need a break.
Overall, I’d say this is a great value for a home office setup. If you want something ergonomic and comfortable without spending a fortune, this chair is definitely worth considering.
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Reviewed in the United States on April 30, 2026