20 Most Recent JBL BP600.1 Car Audio Amplifier Questions & Answers


Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty. Using an ohm meter to the sub will confirm whether its bad or not. Invest in a cheap test set of 6.5" speakers.
.A thumbs up would be greatly appreciated if this answer is helpful to you.

JBL BP600.1 Car... | Answered on Dec 18, 2014


It sounds like the problem is simply that you are requesting too much power from your amp. Make sure that you know what your subwoofers are requesting from the amp. It is probably too much for it too handle. You need to figure out first the total impedance the combined subs are requesting considering the wiring setup you have, then see how much power the amp puts out at that impedance. Then figure out how much power is reaching each individual subwoofer.

JBL BP600.1 Car... | Answered on Mar 06, 2011


if i can get a diagram for jbl bp600.1amp pls and ty

JBL BP600.1 Car... | Answered on Feb 28, 2011


are you absolutely certain your subs are in good shape? have you put a meter on them and measured the ohms as you depress the cone [causing the cone to move up and down on the pole of the magnet? do the ohms stay constant? go up to infinity[ suggesting an open] or go to zero or close to zero [ suggestting a short] both of these conditions will result in a zero or a very limited output from your amplifier, while still showing a green status light, if or when a full short or open occurs on the subs, a fault led will become lit, and whet that means is that u have fried the outputs....do a bit more testing with your vom....and good luck or try another speaker for testing purposes...

JBL BP600.1 Car... | Answered on Apr 21, 2009


get a 1.5 farad they have them at walmart for like 40 bucks

JBL BP600.1 Car... | Answered on Dec 23, 2008


No user serviceable parts! If not working just replace!

JBL Car Audio &... | Answered on May 14, 2020


Bad or shorted voice coil on sub maybe. If you have two subs try them one at a time to see if it goes into protect mode. Whatever sub does it is bad.

JBL Car Audio &... | Answered on Oct 04, 2016


It is very dependent on your vehicle and whether you are using the built-in amp of the head unit or a separate amp. Ideally, I would recommend a good 6.5" component set.

JBL Car Audio &... | Answered on Sep 20, 2016

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