Question about Sony Xplod XM-1652Z Car Audio Amplifier

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Sony amp bridging

I took out my subs and amp and I undid all cables. Now I want to go back and bridge the amp. How would i do this? I threw away the box.

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Your amp, being a 2-channel amp, should have 2 speaker connections with a negative sign(-) and 2 with positive signs(+)...Take your speaker wires (You will need 4 of them) and twist the ends of 2 of the together and put them into the negative spot on 1 side of your amp. Assuming you have 2 subs, connect them 1 to each sub and be sure they are on the negative sides of the subs or both are on the same side of the subs. Then do the same with the positive leads except to put them in the positive spot on the opposite side of the amp. So you will have the negatives from one side's outputs (or channel 1) and the positives from the other side's outputs (channel 2). Thus, your amp will be "bridged" across both channels. Hope this helps...just comment back if you need a diagram or something. And be sure to leave feedback please.

Posted on Oct 05, 2007


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I have Sony xm-2165gtx amp 165 watt rms x 2 at 4 ohm 200 watt x 2 at 2 ohm 400 watt x 1 bridge output at 4 ohm stereo or bridge mono output 4 ohm stable in bridge mode this mean can't go lower then 4 ohm...

You can't bridge that amp onto a load lower than 4 ohms. So you can't bridge that amp onto two 4 ohm subs. To get the most power out of your subs is easy. Run one channel to one sub and the other channel to the other sub. 165 watts RMS is plenty for most subs.

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How to bridge the amp and wire up two 2 -12" thats in on cabinet

if the OHM load is lower than 4OHM then you will damage the amplifier. As for how to bridge the amplifier. there are designated locations on your speaker terminals of your amplifier that state where you should connect the cables to work in bridge mode. hope this helps. If you are not sure about how many OHM the subs add up to, you could use a multimeter and set it to OHM and measure them or look on the back of the sub woofer to see what it says. dreamsystems

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You should definately bridge them. Firstly, lay the 2 speakers face down next to each other. Note the connections +- +-. The first + will go to the amplifier. The next terminal(-) will be connected to the next speaker(+). Take the last(-) and connect to amplifier. Please note that your amplifier has a bridge section which is normally the first + and the last- on the two channels. Connect your woofers on the bridge.

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Hello. I have one (1) XS-L1035 being powered by a JBL gts 180X 2/1 channel amp. The sub works fine if i power two(2) subs thru 2 channels BUT if I try to bridge the power to one sub the amp cuts out. Is it...

It sounds like the problem is with the amp. try using the other sub in bridged mode and see if it still turns it off. If it still turns off then its definitely the amp. In 2 channel mode you are using each channel at 4 ohms right? and in bridged mode to 1 speaker it should be throwing a ton of power on a 4 ohm load as well,it should work fine bro -its gotta be the amp

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hi hit's very easy,
1 - you need to pass a wire gage 8 from the positive pole of your batterie from the front of the car to the back and plug it in your power amp at batt+ or + or batt
2 - take and other cable gage 8 and ground it at the body of your car make sure that is no paint when you plug it and plug the other cable in your power amp at the grn plug
3 - pass a other cable gage 18 to the radio to the back or your car. plug it to the blue radio cable marcked remote or rem and p;lug the other side to your power amp to the rem pin
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Oct 11, 2009 | Autotek SX1200X Car Audio Amplifier

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I'm planning on installing a system in my pick-up and I was hoping I could get a little assistance. I was planning on using a pair of 5'' McIntosh ms486 coaxial speakers (120w max 4 ohm)in the front doors...

First of all use the larger output amp to power the sub. You can tell if its free-to-air if in the middle of the magnet there is a hole for "air" to flow freely. The advantage of free to air is they dont require much of an enclosure or next to none so you can mount it on a single piece of mdf wood and use the cab in the truck as an enclouse itself. I would bridge the amp for the sub to mono but be careful to tune so you dont "distort". Secondly the amp for the mid's shouldn't be bridged any maybe you could run the front and rear speakers off the same amp.. I would get an amp for rear and front speakers each and one for the sub. Your ouput rca's should goto the cross-over first then to the amp (sub) - then wired to your sub (mono) which is bridged. Ensure to tune your cross-over to lowest frequency for sub. Its easy to bridge an amp if its 4 channel.. looking at the speaker terminals it will look like ( + - + -) use the two outer most terminals to bridge to mono.

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Bridge subwoofers

Without looking up the individual specs of your speaker and amp, I'll offer a few basics when it comes to bridging an amp.
Most important...find out what impedance (ohm) that your amp can handle bridged!! If you go below this rating, you will run the risk and most likely eventually overheat and short circuit the amp. You must also know the impedance of your sub (which can come in a variety) to be able to match them. Depending on this impedance match-up, it may be less beneficial to bridge the speaker to this amp. For example if there is an impedance mismatch you'll either get less power from the amp or short circuit the amp. If you know these I can help you come up with the best solution.
If you know bridging is the best option, then you'll have to know which terminals on the amp to use in order to bridge. This is how it normally works. On a 2 channel would normally take the positive from one channel to the positive on the speaker, and the negative from the OTHER channel to the negative on the speaker...and this is how you bridge the amp. The other two channels would remain UNCONNECTED. BUT!!! you have to make sure you use the correct 2 varies from manufacturer. But take heed not overload the amp...and not to overpower the sub. There are a few different ways that you can configure the subs if you find it beneficial to bridge your amp, these would take long to explain and would depend on the impedance of your subs and specs of your amp...these wiring configurations is how you match the impedance of the speakers input to the amps output (and is very important to do correctly) Look up "parallel and series" wiring configurations. Let me know if this helps, or if you need further help. Find out the impedance of your subs and the specs of your amp and i'll be able to assist you more. Hope this helps.

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1 Answer


Hi Trim God,


I do not reccommend that you push the Pioneer speakers over 100 watts.  The jenson will already drown the car with bass through your pioneers so much you will want to turn off the bass boost when playing some low bass hip hop songs. It changes from one venue of song to another, so I just keep the jenson bass boost off and use my head unit to adjsut the sound to fit my listening prefences. I am telling you man, you will be blown away .  Hook up the pioneers straight to the Channels,. do not bridge.  I put Subs in my truck though.  I used the Pass output to send the audio to me Jenson 2 Channel 600W amp. I drive one 10 inch enclosed JBL Class A/B Sub. I bridged the output of the 600 W amp to the 10 inch sub  in my Z28.  The pioneers never get drowned out.  I did smoke my 2 channel Amp one time. and also took out a MTD 10inch sub. I am talk shooting flames and smoked the whole car up. I think if you bride the XA4150 to the pioneers, you will have the flaming smoke problem in no time.  

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You cannot parallel two subs AND run them on the Bridge. You must have at LEAST a 4 ohm load on the bridge, and 2 4 ohm subs in parallel equals TWO OHMS. BAD!!! Move each sub to it's own channel or your amp will soon fry.

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