Question about Kicker KX400.2 Car Audio Amplifier

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My kx 400.2 amp turns on but no sound

I have two ten inch subs and a kx 400.2 amp. The amp turns on but I think my amp and the subs aren't correctly hooked up. Can you please help?

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Posted on Jan 02, 2017

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jhall1793
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SOURCE: will this give me 400 watts on each

bignatedabal: You can't get something more out of a device than it's rating. In other words, if you have a 400W amp that's all it's going to produce. For example if you're looking to drive both sub spkrs @ 350W each then buy a sub amp with a rating of 700W @ 2ohms & connect your 4ohm spkrs in parallel to the amp. Each spkr will produce 350W of sound if everything is installed correctly.

1 thing to look for in amp mfg's. Look for those who rate their amps in RMS power. This is the true output rating. Many amps are rated in peak-to-peak which seems great but doesn't tell you the real story, unless you know how to do the math to determine the RMS. The better mfg's will take the time to test their amps & rate them properly. Also look for massive heatsinking (the cooling fins). I consider cooling fans to be a benefit as well.

If you have addtional questions, drop me a line.

peace-out

Posted on Jan 18, 2009

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Will this give me 400 watts on each


bignatedabal: You can't get something more out of a device than it's rating. In other words, if you have a 400W amp that's all it's going to produce. For example if you're looking to drive both sub spkrs @ 350W each then buy a sub amp with a rating of 700W @ 2ohms & connect your 4ohm spkrs in parallel to the amp. Each spkr will produce 350W of sound if everything is installed correctly.

1 thing to look for in amp mfg's. Look for those who rate their amps in RMS power. This is the true output rating. Many amps are rated in peak-to-peak which seems great but doesn't tell you the real story, unless you know how to do the math to determine the RMS. The better mfg's will take the time to test their amps & rate them properly. Also look for massive heatsinking (the cooling fins). I consider cooling fans to be a benefit as well.

If you have addtional questions, drop me a line.

peace-out

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the amp is no where near strong enough that sound you hear is called hard clipping and it will destroy your subs in minutes. depending on what model JL subs you have I can sell you a better amp.

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