Question about Jensen LXA400 Car Audio Amplifier

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How do i bridge all 4 channels on the jensen 400 watt 4 channel lxa amp ?

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NOT BRIDGEABLE BRO .. NOT AT ALL IF YOU DO ITS GONNA HAVE BAD MOJO. WRITTEN ALL OVER IT FOR YOUR FRONT DECK YOUR SUB BUT I GUARANTEE YOU WILL F"@K THAT AMP AND POSSABLY SET AMP ON FIRE

Posted on Feb 09, 2015

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  • This amp is not "bridgeable" at all. You will either blow the front end or blow the low end voice coil in your sub.

Regards, Tony

Posted on May 24, 2011

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1 Answer

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The mtx thunder is a 4 channel amp. 4 channels can't be bridged to 1 speaker. You can only use one side of that amp to bridge your speaker. Unfortunately your now only using half your amp.

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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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I have to hook up 4 amps in my car. 4 channel 700 watt ken wood, 2 channel 800 watt Sony, 4 channel 740 watt Jensen ,and a 2 channel Rockford fosgate. Which is best way to hook them up so I'm not ki


Pace posted on Saturday, March 05, 2005 - 01:08 GMT Your subs are dual 4 ohm voice coils so if you want to bridge your 2 channel amplifier to your two subs then wire them parallel, meaning the + to + and - to - ( Do this to both subwoofers), Then run a wire from one positive and one negative on each sub and bring the two positives together and the two negatives together and hook both positives to the far positive connection on your amp and connect both negatives to the other negative on your amp,

This will create a 4 ohm load on your amp.

Although if it's a two channel and you have two subs it's usually pointless to bridge them because if you use one channel per subwoofer its going to be the same as if both subs were bridged. example) 800 watts x 1 bridged power of your amplifie (4 ohms) is the same power as 400 watts x 2 at 2 ohms.

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I have a 12 inch auduobahn 400 watt that is a special edition d jones. what is the best and most efficient way to install it with a jensen 400 watt 2 or4 channel mosfit power amp.


Is it a 2 or 4 channel amp???? Does it have a lpf (low pass filter)??? If its a four channel it prolly wont sound too great. If its a 2 channel you need to bridge sub to amp. Usually its the 2 outside terminals on the amp. Might have a diagram on the bottom of amp

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2 Answers

How many watts is this amp


Specifications Power Output: 100 Watts RMS x 2 channels at 4 Ohms ≤ 1% THD+N Signal-to-Noise Ratio: 80 dBA (reference: 1 W output) Additional Power Output: 200 Watts RMS x 2 channels at 2 Ohms ≤ 1% THD+N
400 Watts RMS x 1 channel bridged at 4 Ohms ≤ 1% THD+N THD+N (Distortion): <0.25% (reference: 1 W output) Frequency Response: 20 Hz to 20 kHz (-3dB) Maximum Input Signal: 5V Maximum Sensitivity: 100mV Dimensions: 14.37 x 9.72 x 2.5 (365mm x 247mm x 63.5mm)

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1 Answer

How do i bridge 3 subs to a 4 channel amp


My information shows the XM-1652Z as being a 2-channel amp. It will not be stable below 4-ohms in bridged mode. For best power, your subs will need to be 2-ohms with all 3 wired in series. This will present a 6-ohm load to the amp. After wiring the subs in series, connect the positive speaker wire to one channel (+) and the negative speaker wire to the other channel (-). For the 1652Z no other wiring is necessary. For subs you will also want to set the LPF (80Hz) switch to the "ON" position (to the right).

Keep in mind that the rated output is only 400 watts RMS at 4-ohms in bridged mode. That's kinda wimpy for 3 subs. You would probably obtain better results from two 2-ohm subs, each connected to a separate channel. That way each sub would be getting 200 watts RMS, still low but there's lots of good subs that will sound pretty loud with 150-200 watts

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1 Answer

DON'T KNOW WHAT WIRING KIT TO USE FOR 400WATT 4 CHANNEL AMP


well i will let you know now that 400 watts running into two subs like that will never match. You will want to run only one sub or get a bigger amp. But for that amp a standard 6 gauge power wire will be sufficient to run it. The ground wire about 4 gauge is good.

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1 Answer

Bridging 800a4


That all depends upon whether or not the sub you are running has dual voice coils or just a single voice coil. The 800a4 is a four channel amp; thus the only way you can bridge it will be 3 channel or 2 channel. If you are running a dual voice coil sub then you can wire the amp two channel and get 400 watts x 2 @ 4 ohms. Make sure that you sub can handle this kind of power though.

Here are the specs:
4 x 100 @ 4 ohms (13.8V - <0.05% THD)
4 x 200 @ 2 ohms (13.8V - <0.10% THD)
2 x 400 @ 4 ohms bridged (13.8V - <0.10% THD)
Fuse: External 60A
Manufactured in 1999 - 2001

Jun 18, 2008 | Rockford Fosgate Punch 800a4 Car Audio...

2 Answers

Bidging


You can't bridge 4 channels into one channel. You can bridge the amp to two channels and drive one dual voice coil speaker.

 

The owner's manual is available from Jensen.

Oct 11, 2007 | Jensen LXA400 Car Audio Amplifier

1 Answer

Speakers


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.  

Oct 02, 2007 | Jensen XA4150 Car Audio Amplifier

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