Question about Kenwood KAC-7201 Car Audio Amplifier

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My 800 watt kenwood

I have a bridgeable 2 channel 800 watt kenwood amp. just recently my inline fuse on my power wire melted i think the wires may have touched. i put a whole new fuse unit in and the light on the amp doesnt turn on so im wondering if that may have blew the amp or if it is fixable

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Sounds like you shorted out the main power wire somewhere and killed the amp. Is the amp on the fuse intact or blown? Do you have 12 volts at the amp? check you connections and see if it helps.

Posted on Jun 19, 2008

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My legacy la 4299 amp power is on with the car off


there is a remote on-off power wire that is supposed to connect the amp to an internal circult, which only sends power when the car is on. you can tap this kead off the acc fuse, but the actual power needs to be ran directly to the battery, with an inline fuse under the hood

Aug 07, 2014 | Legacy LA4299 4200 Watt 2 Channel...

1 Answer

I have 2 12in kenwoods and a 1200 watt pyrimade amp, how can i hook these up to be the loudest


1st have your subs facing inwards towards the front of the car, not facing out the boot, This creates a better bass.

Wire 1 sub to one channel and the other sub to the other channel.

Turn down your gain as low as possible and then power everything up.

turn volume to desired loudness and then start turning up the gain slowly, if distorts a little turn in back down a notch.

avoid using bass boost, I agree it sounds great but it puts more strain on your amp and shortens its life.

after sorting out your gain, tweak all others until sound is bassy and clear with no distortion.

If you would like to use bass boost, turn on bass boost first, then up your gain etc.

Jan 16, 2013 | Pyramid PB915X 1200 Watts 2 Channel...

1 Answer

I have a audition 150 watts x 2ch bridgeable high power amp serial # 00400274 need size of inline fuse. does not show size of fuse on diagram


hi.

if it is 150 watts TOTAL power then you should use a 15 amp fuse.
(150w / 12v = 12.5amps, 15amp fuse should provide the correct protection.)

if the system is 150 watts PER CHANNEL. then it will be 300 watts total and a 30 amp fuse should be used.
(300w / 12v = 25 amps. 30amp fuse should be used.)

30 amp is normally the highest fuse recommended for an car audio system, so i would not use higher than this without taking the unit to a qualified auto electrician, to get the system checked for safety. if you have any further questions please feel free to ask.

Jun 07, 2011 | Car Audio & Video

1 Answer

I dont no how many watt my amp has


Hi and welcome to FixYa,

To my understanding, a Kenwood KAC-628 is rated with max power of 100 watts X 2 at 4 ohms per channel. Incidentally, it is bridgeable resulting to 300watts X 1.

Good luck and thank you for asking FixYa.

Dec 23, 2009 | Kenwood Car Audio & Video

2 Answers

I got a 4 gauge power wire w a 20 amp fuse hooked up to a kenwood stereo/bridgeable amp 350 watts max power model #kac~6295 it just dnt sound rite any sugestions?


make sure you run your power and ground wires opposite of the rca/speaker wires. you tend to pick up alternator noise when all wires are bunched up together. Also, make sure you have a good chasis ground to the amp, and the stereo has also a good ground. good luck

Sep 04, 2009 | Car Audio & Video

1 Answer

Amplifier loads


Hello ronnieyannon,
A single 4 ohm speaker wired to each channel, like you have them wired, presents a 4 ohm load. And it appears that you have them connected properly. The 401s is only stable to 4 ohms when bridged, so if you were to parallel the 2 4 ohm subs in bridged mode, the load would be 2 ohms and the amp would most likely overheat and go into protection.

I'd wire them the way you have them wired.

Each channel of the amp outputs only 100 watts into 4 ohms. That is adequate for regular full-range speakers, component speakers, mid-range drivers, and even some small subs. But it is a little low on power for most subwoofer applications.

Hope this helps.

Apr 22, 2009 | Rockford Fosgate Punch 401S Car Audio...

2 Answers

I have two 15 inch L7 Solo-Baric Subwoofers and need an amp


I would recommend a brand named class D amplifier.
Connect both woofers in parallel (Positive to positive, and negetive to negetive) in a sealed enclosure. Make sure you have no air leaks. By connecting them in parallel the combined impedance will be two ohms. Make sure that the amplifier you choose can handle a load with that low of a resistance. Any high end amp should do this. Buy as much power as you can, but I would say a minimum of 1000W RMS. Beware of cheaper amps advertising "peak power". This can be considered half of what the RMS power would be (1200W peak = 600W RMS approximately).

Next, Run very heavy gauge (zero guage if you can) power line directly from the battery. Protect the wire where it passes through the body with a rubber grommet or otherwise something to keep the metal from cutting into it, and PUT A FUSE IN. I cant stress that enough. Put an 80 amp fuse in line incase you have an accident. Otherwise your car could very well burn!

Want even more punch?
Back at the amp, install the largest stiffener capacitor you can afford 1 Farad or bigger. Install this in a space where it would be protected in the event of an accident (on the inside of the strut tower or somewhere above the axle). There is a whole lot of energy stored in there that you don't want unleashed on you!

If you have any other questions please ask away!

Apr 13, 2009 | Kicker Solo-Baric L7 S15L72 Car Subwoofer

1 Answer

Is it not bridgable


This amp isn't bridgeable. It's a mono amp (only one channel). You need two independent channels to bridge. Some mono amps are bridgeable if you have two identical amps but I don't think Kenwood recommends that with this amp.

Jan 27, 2008 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

600 watt 4 channel bridgeable mosfet power supply jensen amp


Swap the wires from one speaker to the other to see if it is the speaker or the Amp/wires. 

Oct 23, 2007 | Jensen A600HLX Car Audio Amplifier

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