Question about Reality VRA2.0 Car Audio Amplifier

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Reality vra2.0 works fine but doesnt work fine

Ok wierd issue im running 0 guage wire to a .5k cap then to the vra2.0 with 2 fuses inline just incase and one ground all connections are totally solid/clean... battery voltage is perfect... im running a single 4ohm sub bridged... the issue is the bridged mode seemed to have stopped working but after alot of trial and error come to find out the first channel works i figured blown mosfet in second channel... but if i hook it up to single channel then start the stereo and them switched to bridged with stereo still on it kicks right in and works fine i really dont feel like doing this everytime i start my car... it seems really confusing to me and i dont think tech support could grasp what im describing..... PLEASE HELP ME

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Re: reality vra2.0 works fine but doesnt work fine - Reality VRA2.0 Car Audio Amplifier Car Amplifiers

The built in cross over sounds fried.

Posted on Mar 26, 2007

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I have a 900 watt amp wired to 2 mtx 12's. it powers up fine but when the bass hits the power light fades away

Try using a 4ga ground cable. Ground it to the frame of your car. And use a 2ga and a inline fuse 100amp run this to your battery. And you need a cap. A 1000 watt will work good. Hope this helps....

Feb 08, 2014 | Alpine MRP-M450 Car Audio Amplifier

2 Answers

I have an mtx thunder 81000 d the inline fuse keeps popping

When installing an amplifier of this size and current draw - the fuse is NOT ON THE AMPLIFIER.

This particular amplifier has a built in thermal shutdown protection only.

If the INLINE fuse is failing... only 2 things that would cause it....

1. Fuse rating too low - The current draw + wire resistance is greater than the fuse allows.

2. There is an immediate ground situation. There may be a screw though the power wire - the wire may be worn where it enters the firewall - or there may be a strand or 2 of wire jumpering from the Power terminal of the amplifier to the chassis (of the amplifier)

The recommended external fuse rating is 150A for this amplifier. Please be sure you are using the proper fuse for the amount of current draw this amplifier requires.

If there is an additional amplifier drawing from this feed - add the fuse rating of that amplifier to the INLINE fuse.

ALSO - be sure your wiring is of the proper gauge. I/0 wire is necessary in this instance - (or 2 runs of 4GA) as it has less resistance to the current. Utilizing an insufficient power wire will also lead to the INLINE fuse blowing.

If you have additional questions or concerns - feel free to ask.

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Mar 15, 2010 | MTX Thunder 81000D Car Audio Amplifier

1 Answer

Car subwoofer problems

The cable should not cause the problem unless it is shorting out somewhere on the remote or positive cable. I would use a larger gauge wire first as this is the cheaper way to go, and if the same problem occurs you are having a short in the sub or box causing the protection mode. You will have to back trace to find possible cross connections.

Jun 21, 2009 | Pioneer Car Amplifier GM-5100T - 2CH 760...

2 Answers

Amp turns off for a bit and back on when it hits hard

You do not have enough power coming from our car battery, your alt. may be going out. Look into a 5 farad power cap to store more power...

Apr 18, 2009 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

12v wire

hello . what has happen is one of a couple of thing .? the wire could be burnt becouse of to menny amp's going throught it . becouse it's fuse is to big for the size of the wire. that you are using for your hot run your amp.!!! it work like this !!! the wire is gaged buy it's size .!!! and that determine's what size of fuse that could be used .!!! for that gage of wire.!!! in amp's.!!! that it let flow through it.!!! and a fuse is determin in it size in amp.!!' it will let flow through it the fuse. !!! and most likly you or someone has put to big of a fuse in .!!! you inline fuse holder .!!! that run's from the + hot of the battery all the way to your + side of your amp's.!!! that's mostlikly where you will find your problem.!!! check it first.!!! ok .!!! then check your amp it should have a fuse that plug's in to it .!! on the side of the amp.!!! you need to make sure that you use the right size of fuse for that gage of wire.!!! if you use to big of fuse you will have a wire fire or a melt down that burn's the wire in half or worst.!!! hope this help's you let me know. "GOOD LUCK"

Aug 03, 2008 | Car Amplifiers

1 Answer

My 800 watt kenwood

Sounds like you shorted out the main power wire somewhere and killed the amp. Is the amp on the fuse intact or blown? Do you have 12 volts at the amp? check you connections and see if it helps.

Jun 03, 2008 | Kenwood KAC-7201 Car Audio Amplifier

1 Answer

Im not get any loud base, even with the gain at full turn

an orion 2500d requiers 2 4 gauge power and ground wires to work properly.

Aug 22, 2007 | Orion 2500D Car Audio Amplifier

2 Answers

Amp wont power on

The only effective way to troubleshoot this is with a digital multimeter. Test for voltage on the power terminal and the remote terminal (using the ground terminal for your black probe). If you have voltage on both terminals, check the amp's built-in fuses; if they're good, then you must have a defective amp. If you have voltage on the remote terminal, but none on the power terminal, check your fuse and fuse holder at the front. It's not unusual to have a blown or defective fuse that looks okay.

Jul 26, 2007 | Profile AP1200 Car Audio Amplifier

5 Answers

"cur" error mrd-m1005


May 21, 2007 | Alpine MRD-M1005 Car Audio Amplifier

4 Answers

Power supply

That depends. It could just be the guage of wire you're using. If using an 8 guage, try a 4. If the amp is running and your headlights dim, then chances are you need a cap instead.

Sep 08, 2006 | Kenwood KAC-9102D Car Audio Amplifier

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