Where to Buy

KAC-M1814Compact 4-Channel Digital Amplifier

  • Peak Power 400W
  • Conformal Coating for Marine and Other use.
  • Speaker Level Input with Signal Sensing Turn on.
  • Bridgeable Connection.
  • Compact design ( W)5-11/16" x (H)1-3/4" x (D)3-7/8"


  • For Automobile

  • For Marine

  • For ATV

  • For Motorcycle

KAC-M1814 Compact Class-D amplifier supports louder volume for Car, Marine and Motorsports users with low-noise.

Plastic covered connector helps to keep out water and dust.

Conformal Coating provides vibration resistance and helps prevent the PCB from rusting.

Pre-amp and Power-amp sections are separated to reduce radiation noise.

Compact design with controlable interface to adjust the sound from a receiver.
① Filter Frequency Control (A.ch/B.ch)
② Filter Switch to apply HPF / OFF / LPF (A.ch/B.ch).
③ Line In terminal
④ Input Sensitivity Control (A.ch/B.ch)

General Features

Max Power 400W
RMS Power 45W x 4 (4Ω)
45W x 4 (2Ω)
90W x 2 (Bridged)
S/N Signal to Noise Ratio: 98 dB
Size (W)5-11/16” x (H)1-3/4” x (D)3-7/8”
Low Pass Filter 50Hz-200Hz, -12dB/oct (A/B)
High Pass Filter 50Hz-200Hz, -12dB/oct (A/B)
Speaker Level Input
Signal Sensing Turn-On
Variable High & Low Pass Filter
Conformal Coating

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They are listed here based upon meeting specific operational criteria and offer a very informative shopping experience,
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KENWOOD's manufacturer's warranty and any rebates offered by KENWOOD are not valid when purchased from an unauthorized dealer.
Buying from an unauthorized dealer also increases your risk of buying fake or counterfeit products.

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Amplifier Type Class D
CEA-2006 Primary Ratings Power Output 45Watts RMS x 4 at 4 Ohms, ≤1%THD+N
Signal-to-Noise Ratio 82dBA (Reference: 1Watt into 4Ohms)
Maximum Power Output MAX POWER 400W
RMS Power at 14.4V A/B (2 Ohms) 45Watts RMS x 4 at 4 Ohms, 1kHz , ≤1% THD+N
A/B (Bridged 4Ohms) 90Watts RMS x 2 at 4 Ohms, 1kHz, ≤1%THD+N
Specifications Signal to Noise Ratio 98dB (Reference: Rated Power into 4Ohms at 14.4V)
Frequency Response 20Hz-20kHz (+0dB, -1dB)
Input Impedance 10k ohm
Speaker Impedance 4Ω ( 2Ω to 8Ω allowable)
Bridged Connection 4Ω to 8Ω allowable
Audio Section Low-pass Filter 50-200Hz, -12dB/oct (A/B CH)
High-pass Filter 50-200Hz, -12dB/oct (A/B CH)
RCA Input Sensitivity 0.2 (V) - 5.0 (V)
Speaker Level Input Sensitivity 4.0 (V) - 12.0 (V)
Terminal Connector with DC Cable Yes
General Dimensions(WxHxD) 145[mm] x 45 [mm] x 99 [mm]
5-11/16 inch x 1-3/4 inch x 3-7/8 inch
Weight  (kg) 0.7 [kg] 1.5 [lbs]
Operating Voltage 14.4V(11-16V allowable) [V]
Current Consumption 15 [A]
Key Features CTA-2006 Compliant
Class D
2 Ohms Load Capability
Speaker Level Input
Signal Sensing Turn-on
Variable Low-Pass / High-Pass Filter
Key Features Conformal Coating
Terminal Cover
Power MOS-FET Switching Power Supply
Extruded Aluminum Heat Sink Design
A B Independent Gain Adjustment
Accessroies DC cable 1.5m (5 ft) ● 1pc
RCA cable 1m (3.3 ft) ● 2pcs
Self-tapping screws φ4x 16 mm ● 4pcs
Wire band 350mm (13-3/4 inch) ● 2pcs
Wire band 100mm (3-15/16 inch) ● 2pcs
Protective cover ● 2pcs

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