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Customer Reviews

PAC AmpPRO AP4-CH21 Aftermarket Amplifier Interface

Allows seamless addition of an amplifier in select 2007-2016 Chrysler-made vehicles

MFR # AP4-CH21

PAC AmpPRO AP4-CH21 Aftermarket Amplifier Interface

PAC AmpPRO AP4-CH21 Aftermarket Amplifier Interface

Allows seamless addition of an amplifier in select 2007-2016 Chrysler-made vehicles

MFR # AP4-CH21

3 reviews
View this product

PAC AmpPRO AP4-CH21 Aftermarket Amplifier Interface

Crutchfield customer from Minot, ND on 5/28/2020

2012 Ram 1500

Verified customer (What's this?)
Verified employee purchase (What's this?)

Product works great in my 2012 Ram. Very simple installation and setup. It was basically plug and go. Very happy with my purchase.

Pros: Plug and play. Simple setup

Cons: None as of yet

Crutchfield response on

0 of 0 found this helpful

PAC AmpPRO AP4-CH21 Aftermarket Amplifier Interface

Crutchfield customer from North Augusta, SC on 5/26/2020

2014 Jeep Wrangler Unlimited

Verified customer (What's this?)
Verified employee purchase (What's this?)

Exactly what I needed and works like a charm! Their customer service is excellent, they helped me with this purchase and I couldn't be more pleased! Thank you crutchfield!!!

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

PAC AmpPRO AP4-CH21 Aftermarket Amplifier Interface

Crutchfield customer from Los Angeles, CA on 11/7/2018

2013 Dodge Challenger

Verified customer (What's this?)
Verified employee purchase (What's this?)

This works great except for the rear channels need to be switched. The right is playing the left speaker and the left channel is playing through the right speaker.

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

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