Just upgradaded the speakers and amp.

P2breaker · 04-18-2021, 08:35 AM

I bought a refurb Kenwood Kac-M1814 amp. It has four channel at 2 ohms at 45 watts per speaker rms and can be bridged to two channel 4 ohms at 90 watts per speaker rms. I used polk DB522 5.25 100 watt rms and 300 watt peak marine speakers. I first hooked it up with 45 watts and thought it could be louder. Then I bridged the amp to send the 90 watts and the small speakers came to life. I am very happy now and at anytime I can upgrade to 6.5 speakers if I feel like it.

mbarr10 · 04-18-2021, 11:36 AM

COOL, I have the same speakers. On my second Amp, Made a tray over the amp to deflect water that could drip down from the windshield. Seems my first amp did not like the water.

Lumberjack · 04-19-2021, 05:48 PM

You have it backwards impedance (ohms) decreases and wattage increases.

45 watts RMS x 4 at 2 to 4 ohms
90 watts RMS x 2 bridged at 4 ohms

https://www.crutchfield.ca/p_113KAM1...g&awug=9000660

04-18-2021, 08:35 AM	#1
P2breaker Member Join Date: Jul 2016 Location: Woodbridge, Vriginia Posts: 45	Just upgradaded the speakers and amp. I bought a refurb Kenwood Kac-M1814 amp. It has four channel at 2 ohms at 45 watts per speaker rms and can be bridged to two channel 4 ohms at 90 watts per speaker rms. I used polk DB522 5.25 100 watt rms and 300 watt peak marine speakers. I first hooked it up with 45 watts and thought it could be louder. Then I bridged the amp to send the 90 watts and the small speakers came to life. I am very happy now and at anytime I can upgrade to 6.5 speakers if I feel like it. Login or Register to Remove Ads
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04-18-2021, 11:36 AM	#2
mbarr10 Sr. Member Join Date: Oct 2016 Location: Minneapolis Posts: 1,565	COOL, I have the same speakers. On my second Amp, Made a tray over the amp to deflect water that could drip down from the windshield. Seems my first amp did not like the water. __________________ Please post back after you have solved any issues 2016 1700 Vaquero 10/4/2016 2007 1500 Classic W/ Reckless Fairing, 42,000 miles 2004 600 Honda Shadow 18,000 miles 1989 500 Honda CX Custom 55,000 miles 1973 400 Kawi Triple 5,000 miles
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04-19-2021, 05:48 PM	#3
Lumberjack Advanced Member Join Date: Sep 2015 Posts: 542	You have it backwards impedance (ohms) decreases and wattage increases. 45 watts RMS x 4 at 2 to 4 ohms 90 watts RMS x 2 bridged at 4 ohms https://www.crutchfield.ca/p_113KAM1...g&awug=9000660
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