Question about Kenwood KAC-X401M Car Audio Amplifier

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Kenwood how do you connect this amplifier to get a better sound what size of gage wire should i use. im running two 12 inch tipe e alpines with a pio neer head unit.

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Run a constant hot (from a fused BATTERY lead) most folks will usually use a 0 or 2 gauge wire for "main" power and ground keep the ground as short as possible (it will hit much harder) and a normal I think 16 or 18 gauge for the "trigger" wire from the head (radio) hope this helps :)

Posted on May 10, 2010

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I have an alpine mrv-f307 4/3/2 channel. I have it hooked up to 2 12in Kenwood subs. Right now standard 2 channel each sub having their own. I heard doing a series hook up and bridging the subs to the amp ...


Bridging an amplifier refers to combining the power of two channels to run one speaker at higher power. If it is wired correctly, your amplifier is running with 4 channels bridged into 2 speakers now.

Mar 11, 2015 | Kenwood Car Audio & Video

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What amp would be better to use with what speakers/sub? I have a KAC-7202 kenwood 920W maximum power (150wX2 RMS, 4ohms) (230wX2 RMS 2ohms) and then the other amp I have is a Alpine MRP-M500 mono power...


I'm using that Alpine right now for 2-12" subs and I have compared it to 6 or 7 other amps this month and most were 4 channel 150Watt/Channel Bridged to 300Watts x 2 and found the Alpine to be superior in both sound quality and loudness. The Alpine has also not turned off even with full volume for hours at a time, Very solid amp I was very surprised due to it's size!

Apr 04, 2013 | Kenwood Car Audio & Video

1 Answer

How ot hook up speakers on this amp/


As far as I know, your sound will drastically improve if you run them +- and +-. Connect the one speaker correctly (+-) and then with the music still playing, try swapping the wires on the other speaker around and see which sounds better + to + or + to -
Hope this helps

May 20, 2010 | Volfenhag ZX-8300 Car Audio Amplifier

1 Answer

Can I mix subs


You can, but if you wire them in parallel that is a pretty heavy load on your amplifier. It may even sound better to use one sub until you can get some more power behind them.

Rule of thumb, you can never have enough power! Check out my tips on wattage.

Mar 05, 2010 | Alpine SWE-1241 Car Subwoofer

1 Answer

I have a KAC 9152d with a red light on. what is the protect light and normal operating light colors? with the red light on the sound doesnt sound as full as it shoudl be. its running 2 12" alpine type R's...


your ampifier is in protect mode, try to dettache the speaker and turn on it.if the green ligh on ,one of your speaker is deffective but still the red light on theres something wrong with your amp.

Mar 03, 2010 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

Kenwood kac-7204 1000w amp with 12 in sub what size wires nedded to use


bigger the better my friend. Look at your Peak RMS output, and how long of wire you need. Then you could make the judgment call on how thick or what gauge you need. (2 involved factors power + distance). id say 10 gauge and you would be fine.

Jun 03, 2009 | Kenwood KAC-7204 Car Audio Amplifier

3 Answers

Adjusting wattage on kenwood kac 9103 class D mono amp


That amplifier is 900W x 1 @ 2ohms.
If your subs are 4ohm SVC wired Parallel, resulting in a 2 ohm load, each sub will only see 1/2 of the rated power. (450W ea.)
Your gain (sensitivity) setting should be between 75% and 85% to max. You will be fine.

Jan 02, 2009 | Kenwood KAC-9103D Car Audio Amplifier

1 Answer

My 800 watt kenwood


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.

Jun 03, 2008 | Kenwood KAC-7201 Car Audio Amplifier

1 Answer

How to wire a stereo system


Connect the 2 gage to the battery thru at least s 50 amp fuse, then connect the capacitor in line before the amps. Then run the 2 gage to a connector/splitter block and run 4 gage leads to each amp. You also will need at least 4 gage ground leads from each amp to a body grounded bolt or screw. You need to run a quality set of speaker leads from the head unit to the amps. The speakers will need separate leads from the amp to each speaker.You will need to try some different combinations to get the sound and bass you want. You want to be able to fade from front to rear and control everything thru the head unit.
Use a hole saw to cut a 2 to 3 inch diameter hole in the side of the speaker box for a port to get a better punch from the sub.
Hope this helps some....

Nov 03, 2007 | Alpine CDA-7863 CD Player

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