Question about Sony XM-1252GTR Car Audio Amplifier

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I cant run my 2 sony explode 12's brigde of my amp

They keep cutting the amp off, (the protection circuit), what can i do

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Either don't bridge it or you will have to turn the amp down.

Posted on Jan 30, 2009

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I just bought an '02 Honda Civic SI hatchback that


you have to understand impedance to do this. how many ohm are your 12,s`? you can run all 4 subs in mono off one amp if wired right. it works like this, lets say all 4 of your speakers are 4 ohms. if you wire 2 4 ohm speakers in a series it looks like one 8 ohm speaker to the amp. if you wire them in parallel the amp sees it as 2 ohms, ps most amps cant handle less than 2 ohms in sereo 4 in mono bridge. so no if you take one pair say the tens run them in series now take the 12 run them in series. now take and parallel both sets to amp and you have a 4 ohm load. to better understand do a google search for series parallel circuits. also you amp should be marked for bridging if not look up the amp on the manufacturers web site most will let you download the owners manual for free if in doubt about your amps ability keep it at or above 4 ohms

Jun 24, 2011 | Sony Car Audio & Video

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I have a 1000 watt sony explode mx-2165gtx and i have 2 12inch rockferd subs all hooked up in my truck. i turn on the sterio and turn it up just a little bit and it goes into protect mode i cant figure out...


Sounds like you're overloading the amp. Which rockford subs are they exactly? I can find the specs and see if theyre just too much for the amp or you just have to hook em up to the amp different so the amp wont go into protect mode

May 22, 2011 | Sony XM-2165GTX Car Audio Amplifier

1 Answer

I have two 12 inch rockford p1 punches powered by an 800 watt sony explode amp (2 Channel) and i want to install another 15 inch kicker with a 1200 watt amp not sure the model, i got it from a friend and...


I have a similar setup & I just run the second amp straight off the other amp by running positive & remote wires directly from 1 amps positive & remote inputs to the others amps inputs. But my head unit has RCA inputs, (sub in & front & rear inputs) so from my 4 channel amp I run 2 6 inch alpine S's to the front to the front RCA inputs of the head unit, & 2 Pioneer 440w 6x9 inch speakers to the rear inputs. & my 800w 12 inch sub from my 2 channel amp to the sub woofer inputs on the head unit. Has blown my eardrums for nearly 12 months now great stuff! Hope this has helped

Mar 12, 2010 | Sony Car Audio & Video

1 Answer

Xm-2002gtr amp keeps kicking protect light on


check your amp and speakers and make sure their both hooked up 4 ohm instead of 2 ohm because if you have 1 set of voice coils on your speakers they can only be hooked up four ohm and not bridged to your amp because if you keep trying this you will lock up your speakers if the speakers are only 4 ohm than just hook them up regular to each channel on your amp if your trying to brigde four ohm speakers to your amp it will keep going into protect or worst case scenario you will fry your speakers and you can check your ohm with a ohmmeter trust me my brother owns a stereo shop

Oct 19, 2009 | Sony Car Audio & Video

1 Answer

I have a memphis amp that puts out 250 watts @ 4ohms and 500 watts @ 2 ohms. I want to hook up 3 sony 12'' explods @ 4 ohms a piece. How do I wire them to the amp to get the maximum output of 500 watts?...


well to be honest your amp probly cant handel 3 speakers because of the impedance levels so just hook up 2 bridges out to + to - on one Speaker then from that same speaker run + and - to the next one

A= amp
S= speakers

A:::::::::::::::::::::::::::::::S:::::::::::::::::::::::::::::S

Mar 22, 2009 | Car Audio & Video

2 Answers

Pyramid pb8 45x amp bein an ass


too much input, lower the volume of source.

Jan 31, 2008 | Pyramid PB845X Car Audio Amplifier

2 Answers

Protection light keeps coming on


Check the wiring between the sub and the amplifier. That's seems to be the only thing left that could cause a problem. If it's shorted to ground or pinched so the conductors are shorted together, it could cause the symptoms you listed.

Oct 01, 2007 | Sony XM-2002GTR Car Audio Amplifier

2 Answers

My amplifier


If you're bridging the amplifier you can't use a speaker or speaker combination under 4 ohms. If you have 2 4-ohm subs, or a dual voice coil sub that you're trying to run with the bridged amp, that may be your problem. The screws aren't designed to come out of the holes; they're supposed to just loosen or tighten the terminals. A loose wire in a terminal won't cause a protect light on the amplifier unless the wire is shorting to another terminal or to the case of the amp.

Mar 16, 2007 | Rockford Fosgate Punch P5002 Car Audio...

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