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Customer Reviews

JL Audio VX400/4i

JL Audio VX400/4i 4-channel car amplifier with digital signal processing — 75 watts RMS x 4

MFR # 98636

2.0 out of 5 stars
1 review
View this product
DSP Tuning

Garrett from REYNOLDSBURG, OH on 3/27/2024

1999 Chevrolet Corvette

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

Let me start by saying that this unit might be a great amp but unless you are an experienced tuner I would not purchase this unit again. I have issues with the sub tuning through the DSP and Crutchfield has been great with support so no complaints there. I live in an area that the local certified JL Audio installers will not tune a customer installed system so you are left on your own and now I have an expensive amp that I can not even use. Also if you do have a tuner that will tune the amp you will have to pay that tuner everytime you want to make adjustments. The JL website videos are taylored to more experienced tuners and do not address the fundimental setups or how to interect with the head unit. This is not a rant rather a buyer beware opion of the system but if you have experience with these you are far ahead.

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Crutchfield response on 3/27/2024
Garrett, we're sorry you're disappointed with your amp. Whenever you are not completely satisfied with anything you purchase from Crutchfield, please contact our Customer Support team at 1-800-955-9091. Purchases from Crutchfield can be returned or exchanged within 60 days of the purchase.

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