Kenwood KAC-M1814

180W RMS KAC Series Class-D 4-Channel Marine Amplifier

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• 45 watts x 4 channel @ 4 ohms
• 45 watts x 4 channel @ 2 ohms
• Bridged: 90 watts x 2 channel @ 4 ohms
• Total RMS Power: 180 watts
• Class D 2 ohms Stable 4-Channel Amplifier

Learn more about the kacm1814
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Description


Kenwood

Authorized dealer

Product Details:

  • KAC Series Class D 2 ohms Stable 4-Channel Amplifier
  • RMS Power Rating:
    • 4 ohms: 45 watts x 4 channel
    • 2 ohms: 45 watts x 4 channel
    • Bridged: 90 watts x 2 channel @ 4 ohms
  • Total power output: 180 watts
  • LED Power/Protect Light
  • Speaker-level (high-level) inputs
  • 1 pair of pre-amp outputs
  • Signal sensing remote turn-on
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • CTA-2006 compliant
  • Conformal-coated circuit board
  • Input sensitivity: 0.2 - 5 volts
  • Frequency Response: 20 - 20000 Hz
  • Total Harmonic Distortion (THD): 1%
  • Signal to Noise Ratio: 90 dB
  • Variable high-pass filter: 50 - 200 Hz
  • Variable low-pass filter: 50 - 200 Hz
  • Variable Bass Boost: 0 - 12 dB
  • Fuse Rating: 15A
  • 12 AWG gauge amplifier wiring kit is recommended for installation
  • Dimensions: 8-5/8" L x 3-15/16" W x 1-13/16" H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • MFR #: KAC-M1814

Specifications & Details


Key Features
Amplifier Key Features
Bass Boost
Speaker Level Inputs
Weather-Resistant
Power Specifications - Full Range Channels
RMS Power @ 4 ohms
45 watts x 4 channel
RMS Power @ 2 ohms
45 watts x 4 channel
Bridged RMS Power
90 watts x 2 channel
Amplifier Specifications
Series
KAC Series
Amplifier Class
D
Number of Channels
4-Channel
Total RMS Power Output
180 watts
Maximum Input Gauge Size
12 AWG
Minimum Impedance Unbridged
2 ohms
Minimum Impedance Bridged
4 ohms
Frequency Response
20 - 20000 Hz
THD at Rated RMS Power
1%
Speaker Level Inputs
Yes
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
50 - 200 Hz
Low-Pass Crossover Frequency
50 - 200 Hz
Signal-to-Noise Ratio
90 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
No
Fuse Rating
15A x 1 
Total Fuse Rating
15
Sonic Certified Amplifier
Not Tested
Low-Level Input Sensitivity
0.2 - 5 volts
High-Level Input Sensitivity
0.2 - 5 volts
What is in the box?
Paperwork
User manual
Warranty/Registration card
Quick start guide
WITB: Amplifiers
Amplifier
Mounting screws (4)
One spare fuse
High-level input wiring harness w/ molex connector
Allen wrenches (2)
Other Accessory #1
Two 14" Zip Ties
Other Accessory #2
Two 4" Zip Ties
Other Accessory #3
2 Sets of clear self-adhesive control covers
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

KAC-M1814

Weight:

8.00lbs

Internal SKU:

kacm1814

Internal Product ID:

169891

Customer Ratings & Reviews



5 star
50%
4 star
0%
3 star
50%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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Worked great—until it didn’t

This amp had lots of clean power, great sound and was easy to set up. Then after about two months there was a pop and the smell of burning plastic. I returned it for a different product.

By Chris on April 2, 2020 checkmarkIcon Verified purchase

19

found this helpful.

Plenty of power and great for a "hideaway" install!

Purchased this amp in order to properly power the four Infinity Reference 6x9s in my wife's 2014 Jeep Patriot. The Infinity's are a 3 ohm design, so I needed something that was stable below 4 ohms (this also goes for many Polk and JBL speakers). The Jeep doesn't have many good areas to hide an amp, so I needed something with a small enough footprint to hide under the dash or center console. After cutting off the four mounting brackets (where you'd screw the amp down) and filing the sharp metal edges, I was able to fit this nicely inside the "hump" under the shifter. You'd never know its there.

This amp has more than enough power to drive the 6x9s cleanly and provides a lot more bass thump compared to just a head unit. Vocals are much brighter and clearer, too. Its currently receiving input from 2.5 volt RCA inputs and I opted to keep the stock 18 gauge speaker wire in place for now, but I'm sure it would perform even better with a stronger input signal and 14 gauge wire. I do wish this unit was capable of more power at sub-4 ohm loads like my favorite mini amp, the discontinued Clarion XC1410, but it does its job well nonetheless. Time will tell if it lasts as long as my Clarion (going strong for 6+ years!). Oh yeah, definitely use proper sized cable for the power and ground: I picked up the Belva 8 gauge CCA kit from Sonic and it was perfect.

By Justin on December 29, 2022

7

found this helpful.

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