Question about Pioneer GM-7200M Car Audio Amplifier

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Is it good

I have 2 800watt 12inch/30cm  IMPP subwoofer/HP grave IMPP are these good speakers to have. and can i get a lot of bass out of them.  i like loud deep bass

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Re: is it good

If you are using a GM-7200 amp, it should sound great. Both the amp and the subs are rated at 800 watts so be careful not to overload the bass by turning them on full power. It is good practice to have a slightly lower watt amp than the subwoofers. If you can power your rear speakers from the amp, that would take away some power to prevent the subs from overloading. Overall, you should get a nice THUMP!!

Posted on Oct 30, 2007

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Can i use my jensen jxp340 amp with my one 800watt 12" 4 ohm subwoofer?

Yes, technically you can, however you will be putting both your sub and your amp at risk. One of the worst things you can do to a sub is underpower it. The easiest way to explain it is n ot giving enough power to the sub leaves it starving for power. The motor structure ends up working too hard to try and move the cone properly and what happens is the sub will usually seize up rather than blowing out in the term you usually hear (ie, I had my system cranked up and I blew my subwoofer).

Secondly, in an attempt to get any real sound out of the under powered sub, you'll probably end up cranking the gain and bass boost on the amp which ends up overworking the amplifier quite a bit and can in turn lead to fried out amp chips, burnt up circuit boards etc.

Thirdly, by maxing the gain bass boost you're going to end sending a lot of distortion through your subwoofer in an attempt to get some decent bass. Distortion kills both subwoofers and speakers alike.

So to answer your question, yes you can hook up your subwoofer to that amp and yes, it will probably play for a while but I wouldn't recommend it. Look for a class d or mono block amp to push your sub as these will give you the most power and best heat dissipation. They are designed to push subwoofers specifically and you will get better sound and longer life out of your equipment. A good rule of thumb is look for an amp within 100-150 watts of both your RMS power handling and your Peak power. Remember, when it doubt, always go a little bigger on the amp side of the spectrum. It's easy to "tune down" an amp by having the gain and bass boost at a lower level (50%, 25% etc), than to turn 'em all the way up just to get some bass and end up prematurely blowing out your sub, amp or even worse, both.

Dec 01, 2010 | Jensen JXP340 Car Audio Amplifier

1 Answer

My mtx 1000xd will turn on but makes a sound inside near the circle donut looking with(lots of wires soldered) and where my ground is to the trunk bolt and even in side speakers. It will not power my...

sounds like you may have a bad torroid (the donut looking thing). you may also have a bad ground connection. make sure you have completely bare metal where the ground connection is. you need a very clean connection.

Oct 05, 2010 | MTX X Thunder 1000XD Car Amp

1 Answer

Subwoofers dont bump

No such thing as a typical sub system. Be more specific? If the subs are moving well and just not basing you will need to check 2 things first. Try the polatity of the speakers (reverse one) they may be out of phase and will cause the bass to cancel eachother. Another cause is the box may the incorrect size for the speakers and will not give you the correct sound the speakers are capable of. If neither of those work check your amp settings and make sure its set on sub/low frequency.

Sep 05, 2009 | Kicker KX600.1 Car Audio Amplifier

1 Answer

Rockford fosgate 3002 thermal light on no sound

Is this powering speakers or subwoofer? If it's the subwoofer you need to make sure the gain is turned up and the sub is set to low pass frequency. Also make sure bass and subwoofer are enabled on the head deck. Make sure the RCA's are hooked up properly at the back of the head deck. If it's the speakers then you may have balance set to front only so your rear speakers aren't making noise.

Aug 04, 2009 | Rockford Fosgate Car Amplifiers

1 Answer


alot of times its not just the amp that gives you better sounding bass.. A lot has a to do with a few other factors as well.. first off your subwoofer.. the bigger the subwoofer the deeper the bass. Some woofers exturde, or flex differently depending on the quality and structure of the woofer.. 2nd is gonna be the sub box. different size boxes will give your sub diff. depths of bass. ... general idea is the bigger the box deeper the bass. But if your woofer is not supplied enough power a big box is useless.   With that size amp your best bet is too run a single woofer. Probably a 10inch woofer would sound the best.. but it in.75cub inch. sealed box.. should sound great.

Nov 11, 2008 | AudioBahn DUB Mag Audio DUB2502 Car Audio...

1 Answer

Lanza vibe

you would want it on low not full or high bkz your system is not set up for full or high

Nov 07, 2008 | Lanzar VIBE241 Car Audio Amplifier

3 Answers

How should I wire my 3 subs to the 500/1 amp???????

First of all how many ohm's are each subwoofer rated at . Are the subwoofers dual voice coil or single voice coil. Once I know that I can help you. I think the JL amp is not recommended below a 2ohm load.

Mar 16, 2008 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

Goes into protect mode

Your amplifier is trying to draw too much current. Your battery doesnt have enough power to run the subwoofers. My solution to the problem would be buying a power cap with equal or more power capasity to your current amplifier. The power cap stores a high amount of current so that when your subwoofers hit those low notes that draw a lot of current, instead of taking it directly from your battery, it will use the stored current from the powercap and wont go into protect mode. Also make sure that your connections on the back of the subwoofer arent touching. If you are hitting hard bass notes and the speaker (+) and (-) wires touch, it will short out and go into protect mode. But I dont think this is what your problem is. I am 99% sure if you go with the powercap, it will solve your problem.

Feb 24, 2008 | Metrik Amplifiers MAP-602 Car Audio...

1 Answer

Eclipse PA5532

I do think you can knowing your Amp is 5channel and 960watts,Yes you can goto radio shack for the potentimeter or goto your local audio store and buy a equalizer So you don't over power your Amp

Nov 22, 2007 | Eclipse PA5532 Car Audio Amplifier

1 Answer

No bass

There's a small switch on the side labeled LP-AP-HP. Make sure it's in the LP or AP position, not HP. There's a small dial labeled FREQ; if your amp is connected to subwoofers and the switch is in the LP position, adjust the dial until it's set around 80-100.

Jun 14, 2007 | Rockford Fosgate P3001 Car Audio Amplifier

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