20 Most Recent Alpine MRP-F300 Car Audio Amplifier Questions & Answers


Many options are available to connect your iPod to your car stereo. Back on September 7, 2005, Apple reported that approximately 30% of new cars sold in the US in 2006 would offer seamless integration with the iPod, and that number has been steadily increasing since then. In 2008, Apple heralded that "over 90 percent of new cars sold in the United States have an option for iPod connectivity".

As a result, third-party solutions have become less and less necessary for those lucky enough to be able to afford new or newer cars. Regardless, a round up of options still may be useful for those with older vehicles and/or limited budgets.

Alpine MRP-F300... | Answered on Jul 29, 2012


Test your subs on another amp....If they are fine then try running different rcas in your car from the stereo to see if they are the culprit. If still no sound probably your output on your amp is gone.

Alpine MRP-F300... | Answered on Mar 06, 2012


Thats the power indicator for all alpine amps. Do you mean it stays on with the radio off????

Alpine MRP-F300... | Answered on Mar 06, 2012


  • Hi, I can help.

  • If you amp started smoking then something burned up. Weather it is easily repaired or not is the question.

  • I suggest opening the amp and see what burned on the board. Look for and chard blackness on any of the ports or anywhere on the board. I would double check your wiring connections to the amp as well. Make sure you don't have a short from that. Something definitely burned in the amp though.

  • If you get the cover open and see something feel free to post back here and I can try to further assist you. Much will depend on your electronic skills and ability to trace back the problem should this be needed.

  • Hope this helps and thanks for using FixYa

Regards, Tony

Alpine MRP-F300... | Answered on Sep 10, 2011


I think you need to jump off a cliff.. ok?

Alpine MRP-F300... | Answered on May 18, 2011


it is probably etched into the bottom plate of the amplifier.

Alpine MRP-F300... | Answered on Nov 09, 2010


check the crossover setting on the amp and try bringing it down to 80hz and make sure the filter is set to HPF

Alpine MRP-F300... | Answered on Jun 15, 2010


not usualy if you were running them before without the amp the speaker could have still easily blown. with just the deck running the speakers you can clip the sound and damage the coils hook up and amp then you force the power through an already damaged speaker finishing it off try another speaker. or if it was bought used amp may be no good the previous owner probably noticed it cutting in and out and sold it before it fried. or the deck is old and yes it is a possibility the radio went bad. if you used cheap rca cables yes it could be bad as well.

Alpine MRP-F300... | Answered on Apr 09, 2010


from the stereo goes rca jacks to the amp,from the amp goes the speaker wires to the speakers then the toogle switch hooks up to the battery make sure its on the positive with the power cord that goes to the amp and also make sure you have a ground from your battery negative side and you should be in buiseness

Alpine MRP-F300... | Answered on Mar 09, 2010

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