Question about Kicker DX350 Car Audio Amplifier

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Kicker amp I have a kicker 1200.1 class d subwoofer amp and it is stuck in protection mode. What and how can i solve this

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With this amp the main culprit is the Pulse width modulator i.c marked HIP4080, 9 times out of 10 replacing this cures the problem but may go again in the near future. If when removing the cover there are burn marks around the larger components around the edge of the printed circuit board then more involved problems exist! Thanks, acbva.

Posted on Nov 15, 2009

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If you amp is in the PROTECTION MODE its means that there some defective part , like for example the main ICs or TRANSISTORS output might be defective , and thats why its on the PROTECTION MODE , needs to be taken to a expert technician for repair.

Posted on Apr 16, 2008

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1 Answer

Kicker kx850.4 protection light stays on know power light


Check power make sure you have solid 12 volts. Disconnect speakers, shorted speaker can cause protection mode to engage. If still in protect mode will need to repair. Kicker does out of warranty repairs on kx series amps or try T.I.P.S contact at linearpower.com. Iirc Ray @ tips was one of the engineers at kicker back when kx series was introduced.

Jul 19, 2016 | Kicker Car Audio & Video

1 Answer

Kicker dx 250.1 class d monoblock amp has a fixed lpf at 80 hz 24db octave non adjustable. My car stereo is a pioneer deh-x55hd with the sub control set at 100 hz -6 slope unable to turn sub control off to...


Do you have the subwoofer amp connected to the pioneer thru pre amp connections; pre amp output of pioneer to pre amp input of Kicker amp. Page 10 of the manual explains how to adjust the subwoofer output. You can select the cutoff freq. that will pass to the subwoofer; The slopes don't match perfectly, but if you use the -12 slope , it should work fine.
Cut-off frequency:
50HZ
-
63HZ
-
80HZ same as kicker cut in freq
-
100HZ
-
125HZ
-
160HZ
-
200HZ
Output level:
-
24
to
+6
Slope level:
-
6
-
-
12


http://www.pioneerelectronics.com/StaticFiles/Manuals/Car/DEH-X5500HD_OwnersManual112712.pdf

May 19, 2014 | Car Audio & Video

1 Answer

ZX 1000.1 amp stays in protection mode


It is normal for them to go into the protect mode, If the speakers are not hooked up to it,

Nov 09, 2012 | Kicker Car Audio & Video

1 Answer

Protection light keeps flashing on and off


try hooking up only the power ground and remote see what happens if protection light is on then u have a problem with amp if it goes off then hook up rca if still off then hook up speaker wire if it turns on then u have a prob with speakers

Feb 02, 2010 | Kicker ZX10001 Car Audio Amplifier

1 Answer

Protection mood


Hello john_hart,

Check the speaker wiring too. If one of the speaker wires is shorted or grounded, the amp will go into protection mode.

Hope this helps.

May 20, 2009 | Kicker KX600.1 Car Audio Amplifier

1 Answer

Kicker amo in my old vette


If the amp is in protect mode, it probably has shorted output transistors. To eliminate other possible problems, do the following.

With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage drops below ~11 volts, you need to check the wiring feeding whichever line is dropping too low when the amp goes into protect.

If the voltage is OK, you need to check the speaker wiring and the speaker(s). Try it with a known good speaker if possible to see if the amp works normally.


Nov 07, 2008 | Kicker KX600.1 Car Audio Amplifier

2 Answers

Goes into protection mode for no reason


if the amp is powering on the sub and playing and then turns in to protect mode it could be the amp is getting hot and its kicking into protect so you wont fry the amp

May 06, 2008 | Kicker 06ZX750.1 Car Audio Amplifier

1 Answer

Stuck in protection mode


First disconnect the subwoofer wires from the amp, turn the car off and back on...is the amp on? If so your subs are shorting it out, either from a frayed wire, or blown subs.
If it is still in protection mode, check the fuses in the side of the amp.

Mar 21, 2008 | Kenwood KAC-7251 Car Audio Amplifier

1 Answer

Blinking Led power light


I have a alpine MRP-M350 700 watts class D... i will ask if it can support 2 subwoofer a 1200 watts 10" JBL subwoofer?

Aug 22, 2006 | Alpine MRP-M350 Car Audio Amplifier

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