Question about Car Amplifiers

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Car audio I hooked up an amp in my 06 charger, when I increase the volume on the deck, the volume did not increase to the sub??

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Re: car audio

The amp and factory deck do not run on the same frequency. I tied into the rear speakers located in the trunk. The battery is also located in the convenient..
thanks mossman12


Posted on Apr 21, 2008

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Re: car audio

There should be a switch on the amp marked HPF / LPF / OFF check that it is on the LPF position for a subwoofer.

Posted on Apr 20, 2008

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Speakers cutting in and out at high volume

The amp is going into protect on the two channels powering the speakers. Turn down the gain on those two channels. You also may want to consider crossing over the speakers a little higher than they are now.

The rating on those speakers are way too high. 6.5's and 6x9's will take 50-100 clean watts tops before they start to break up.

The best solution to get it perfect is....unplug the subs. Turn the gain on the speaker channels all the way down. Then turn up the deck 80% as high as it will go. Play a song. Then increase the gain on the amp until the speakers are as load as they go without distortion. Shut off the car, replugg in the subs and do the same thing. Gain on sub channels all the way down, deck then to 80%, find a bass heavy song, then turn gain up until subs become distorted. If you do this procedure your speakers and subs will be "gain matched" to the proper levels.

Good Luck

Dec 07, 2013 | Kicker IX500.4 4-Channel 500 Watt Car...

1 Answer

The recommended settings for a mofet car amp 50.4 , theres a few knobs not sure what they should be turned to

The gain knob is used to control how much the volume (output) of the amp increases with each increase in volume on the deck (installed in the dash). This is used to match speakers running of your deck. Other knobs are probably for a crossover (labelled in Hz). This controls what frequencies are passed to the speakers connected to the amp. A Highpass (HPF) crossover passes all frequencies above what the knob is set for. A Lowpass (LPF) pass all frequencies below what the knob is set for. A HPF is typically used when the amp is powering component or full range speakers to keep the ultra low frequencies (anything below 90Hz) from going to theses speakers. A LPF is used when the amp is connected to a sub. Subs dont handle higher frequencies very well.

Nov 02, 2013 | Crossfire Car Amplifiers

1 Answer

I have a Kenwood KAC-9104D that will power on but not produce any sound??

Be sure the RCA cables are attached and in good condition.
Be sure the remote wire from the deck is hooked up and good.
Be sure the GAIN control is turned up.
Volume on head unit is up. Make sure BASS options are not turned off on deck.
Be sure wires are going the right way. + to + & - to -
Loose wires in the box. Make sure subs are hooked to the terminals inside box.
Check all fuses on amp to determine if 1 or more i blown.

Feb 18, 2011 | Kenwood KAC-9104D Car Audio Amplifier

1 Answer

Ok i got a mtx 12' 500 sub matched to a alpine mrd-m500 mono amp. The deck powers the 4 speakers, as i turn the volume up on my deck (alpine cde 100) the sub/amp cuts out at around volume 20-22 and E-3...

Sorry,after rereading your problem,I gave a wrong answer.Do you have the deck sub RCA pre-amps connected to the amp,then the wires from the amp to the sub?If you do,you need to check what the sub and amp are rated as such as,peak or rms.They are 2 completely different meanings.Greg

Feb 11, 2011 | Alpine MRD-M500 Car Audio Amplifier

1 Answer

I got a pyle 1800w amp and a 1500w kenwood subs but as i increase the volume in the headunit it goes on protect mode why the other problem i got is as increase the volume in the headunit the bass of the...

The protection modes in these units ****. Most new units have them. What I do is turn down settings on deck and turn up amp as much as possible. Then the protection won't turn on because you won't have to turn it up as high.

Sep 30, 2009 | Pyle PLA1200 Car Audio Amplifier

1 Answer

Amp sends power to sub at low volume. but when volume is increased speaker loses bass and distorts REALLY BAD. Still has power but clear bass disperses. just sounds terrible at even lower volumes

are the sub speakers ok? if ok then u have a problem with the Amp and the output IC's will have to be checked there cud be a problem with the input card in the amp.

Aug 26, 2009 | Jl Audio 500/5 Car Audio Amplifier

1 Answer

Hooking the mra-f350 to my highs

You will only need to connect the door speakers to the MRA-F350. In short, the connections will be as follows:

Deck---->MRA-F350 amp---->Door speakers
...................................\---->Sub amp---->Sub(s)

Just make sure you use the optical digital output of the deck to connect to the optical digital input of the MRA-F350 amp, not the RCA preamp connections.

Mar 13, 2008 | Alpine MRA-F350 Car Audio Amplifier

3 Answers

Sony 1200 watt amp

What kind of deck to you have? Sometimes there's a setting for the subwoofer output that has to be turned on. How is the deck hooked up to the amp? Be sure of the normal things: -Make sure the sub is connected in side it's box -Make sure the RCA cables didn't come off the deck -Check every connection! Let me know and be sure to leave feedback or I don't get paid.

Oct 03, 2007 | Sony XM-2002GTR Car Audio Amplifier

1 Answer

Rockford Fosgate P3002 Amp

what are the color of the lights that stay protect/ green=on.if the amp has little sound it probably still working,check deck output volume(rca)

Aug 22, 2007 | Sony Xplod XM-554ZR Car Audio Amplifier

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