Question about Kenwood KAC-7202 Car Audio Amplifier

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Amp powers up (switchable) but has absolutely no output - FixYa

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Try using diffrent rf leads. also check diffrent channels and if it still dont work try it on a diffrent head unit

Posted on Dec 22, 2008

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1 Answer

Wont turn on


Hi there,
try the following;
disconnect your remote lead, connect the remote terminal to the positive terminal with a piece of wire. If the amp powers up then the remote output from your headunit is at fault. You can connect the remote lead to a switchable live at the headunit end to work around this problem. The amp will switch off when you switch the ignition off and vice versa.
If that doesn't work then there may be a problem with your positive feed so check your fuse (there should be one near your battery where you see the amp cable connect)
If that doesn't work, check how secure your earth lead is, kicker amps use a lot of power so these connections need to made to a clean metal surface. Scrape the paint away if you need to, make sure you have bare metal to connect to.
Lastly, if you have only just installed the amp, check that you have thick enough power cable. As I said before, the amp will draw a lot of current, if the main power cable is too thin then you may not be getting enough current to power the amp.
Hope this is helpful.

May 07, 2011 | Kicker ZX-350.4 Car Audio Amplifier

3 Answers

I have had a Hitachi 42" Plasma screen TV for almost 3 years and recently it has had problems. When you turn it on, the TV only stays on for about 10 minutes, and then the screen goes black with the...


The signal from the STU to the Hitachi box is going in the wrong direction.
Is the adaptor that you have switchable? If so, flick the switch in the
other direction and this will fix it. If the adaptor is not switchable get
one that is. Then set the STU output to RGB.

Hope this Helps. -CA

Jul 14, 2008 | Televison & Video

1 Answer

Is two comp 12's with a 1200 watts nitro amp a


The 1200w rated for the amp is usually an absolute maximum output, the rated output is more likely about a quarter of this figure (300w) I think for the subs you are looking at, you would be better off with a more powerful amp

Hope this helps

May 06, 2011 | Kicker Car Audio & Video

1 Answer

No power


Check the small glass fuse soldered to the board inside. If you don't know what you're doing, do NOT open this unit. IF it is a "SWITCHING" supply, (different than a "SWITCHABLE" supply), there could be high voltage capacitors still charged that can give you a nasty zap. If there's a shop you trust and it is just a fuse, it shouldn't cost much to fix. One time I saw a unit that didn't work that turned out to be the 110 / 220 volt switch was slid 1/2 way between the 2 positions.
I'm sure this isn't much but I hope it helps.
Jeff

Feb 02, 2011 | Epson Power Supply 110/200 VAC Switchable...

1 Answer

I have a maxtor 120GB external hard drive but no power supply. How do I get a replacement? I tried a switchable power adapter from a local hardware shop and although I set the voltage to 12v it lights up...


Hi Dave.

The problem you are having is the adaptor you tried is the right voltage but not the correct ampage. You require a 12v dc adapter with a rating of at least 1-Amp. The switchable supply you purchased would be well under the required level, probably 400ma (milli-amp), in other words about half the needed amount. A cable modem power adapter would be sufficiant. If you have one, make sure it is the correct voltage and polarity, positive pole (+) usually the inner pin on the end of the connector. Hope this is of some help to you.

Jan 25, 2011 | Maxtor OneTouch USB (A01B120) 120 GB Hard...

2 Answers

No power on my car amp subwoofer,just bought it on ebay,this cheap 1600 watts amp package w/ speaker,cable kit,tweeter and,etc..,already checked fuse cables and etc..all are in good connection,try to open...


i've already test my amp and crossover by putting jumper fr/ B+12 to remote and both turned on,i'll be using ipod or mp3 player for music output thats why it made me confuse of the remote connection,yeah i'll just make a switch for the both of them beside so i could turn them off,thanks guys you help a lot,i used to set up old amps and they don't have remote switch they already have a built in switch.it's been a while,i should be chatting you guys to get informed,thanx again guys

Dec 04, 2009 | Car Audio & Video

1 Answer

I installed an aftermarket radio in my 2003 ford expedition and my amp won't power up nor will my rear sub woofer play.


Do you have a battery positive wire as well as a switchable power wire? Is it properly grounded? Double check for power and ground. Aftermarket radios have two blue wires for switchable power. one for an amp, and the other for a power antenna. Make sure the right one is used.

Jul 01, 2009 | 2003 Ford Expedition

1 Answer

I HAVE A A2300HCT AUDIOBAHN I WANT TO CONECTED TO 6 12 INCH CROSSFIRE ALL 6 GIVE ME 1 OHM DO YOU THINK I CUOLD LOWER THE AMP TO 1 OHM IF NOT WHATS MY BEST CHOICE


Hello VICENTEMULGA,

According to Audiobahn's specifications, the amp is stable at 1ohm, either with the channels driven separately or in bridged mode. With the channels driven separately, the rated output is 1,200 watts at 1 ohm. In bridged mode, the rated output is 2,400 watts.

You'll need an absolute minimum of 2gauge power and ground, and preferably 1/0gauge and a really good alternator to provide enough current for the beast.

Hope this helps.

May 05, 2009 | AudioBahn A2300HCT Car Audio Amplifier

2 Answers

Amp powers up (switchable) but has absolutely no output


If possible return the amp to the seller for a refund (before you tamper with it).

If that's not possible, the amp will need to be repaired. Do you want to try to repair it yourself?




For the head unit, you need to check the shield ground first. The following page will show you how to perform the test.

Shield Ground Test/Repair

Let me know if you have any other questions.

Sep 19, 2008 | Kenwood KAC-7202 Car Audio Amplifier

1 Answer

Switchable RF input


Press the channel selection switches at the same time until RF03 or RF04 display. Select the correct channel by pressing the UP ch. button.

Dec 11, 2007 | GoVideo VR4940 DVD Player/VCR

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