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  1. Home
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  3. Discontinued Kenwood Car Audio & Electronics
  4. Discontinued Kenwood Car Amplifiers
  5. Discontinued Kenwood Monoblock Amplifiers

Discontinued Kenwood Monoblock Amplifiers

Experience deep and precise bass with Kenwood's high-performance monoblock amplifiers.

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Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
Amplifier Key Features
Amplifiers can offer a diverse array of features. If you select more than one feature, then you will view amplifiers that have ALL features selected. These include speaker-level inputs that facilitate seamless integration with factory audio systems, Bluetooth connectivity suitable for ATV/UTV or Classic vehicle setups, built-in DSPs that provide enhanced control over your audio signal, and a host of other functionalities to explore.
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Remote bass/level controller
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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Kenwood Excelon X502-1

1000W Peak (500W RMS) Class D eXcelon Series Monoblock Car Amplifier

X502-1 big DISCONTINUED
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Kenwood Excelon X502-1

1000W Peak (500W RMS) Class D eXcelon Series Monoblock Car Amplifier

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

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• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

Kenwood KAC-8105D

1000W Max Class D Monoblock Performance Series Power Amplifier

KAC-8105D big DISCONTINUED
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Kenwood KAC-8105D

1000W Max Class D Monoblock Performance Series Power Amplifier

Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 500W x 1 chan. @ 2 ohm • 1000W x 1 chan. Max • Speaker-level inputs • Gold Plated Preamp RCA outputs • Gold Plated Terminals

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Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 500W x 1 chan. @ 2 ohm • 1000W x 1 chan. Max • Speaker-level inputs • Gold Plated Preamp RCA outputs • Gold Plated Terminals

Kenwood KAC-9105D

900W RMS Class D Monoblock Performance Series Amplifier

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Kenwood KAC-9105D

900W RMS Class D Monoblock Performance Series Amplifier

• RMS: 500 x 1 @ 4 ohm, 900W x 1 @ 2 ohm, >900W x 1 @ 1 ohm
• Total Peak Power: 1800W
• CEA-2006 Compliant
• Bass Boost: 0 - 18 dB at 40 Hz
• Class D Circuitry
• Dimensions: 13-3/4"L x 2-5/16"H x 9-3/8"D

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• RMS: 500 x 1 @ 4 ohm, 900W x 1 @ 2 ohm, >900W x 1 @ 1 ohm
• Total Peak Power: 1800W
• CEA-2006 Compliant
• Bass Boost: 0 - 18 dB at 40 Hz
• Class D Circuitry
• Dimensions: 13-3/4"L x 2-5/16"H x 9-3/8"D

Kenwood KAC-9104D

1800W Max, Class D Monoblock Amplifier

KAC-9104D big DISCONTINUED
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Kenwood KAC-9104D

1800W Max, Class D Monoblock Amplifier

Class D Monoblock Car Amplifier • 500W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • >900W x 1 chan. @ 1 ohm • 1800W x 1 chan. Max • Stackable operation capable • Speaker-level inputs • Preamp RCA outputs • Built-in cooling fan

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Class D Monoblock Car Amplifier • 500W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • >900W x 1 chan. @ 1 ohm • 1800W x 1 chan. Max • Stackable operation capable • Speaker-level inputs • Preamp RCA outputs • Built-in cooling fan

Kenwood eXcelon X501-1

1000W Max X-Series 2-Ohm Stable Monoblock Amplifier

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Kenwood eXcelon X501-1

1000W Max X-Series 2-Ohm Stable Monoblock Amplifier

• 300 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant
• Variable low-pass filter: 50 - 200Hz, 24 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost at 40Hz
• Speaker-level (high-level) inputs

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• 300 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant
• Variable low-pass filter: 50 - 200Hz, 24 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost at 40Hz
• Speaker-level (high-level) inputs

Kenwood KAC-5001PS

500W RMS Class-D Monoblock Performance Series Car Power Amplifier

KAC-5001PS big DISCONTINUED
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Kenwood KAC-5001PS

500W RMS Class-D Monoblock Performance Series Car Power Amplifier

• RMS: 300 x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Bass Boost: 0 - 18 dB at 40 Hz
• Class D Circuitry
• Dimensions: 9-7/16"W x 7-9/16"L x 2-3/16"H

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• RMS: 300 x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Bass Boost: 0 - 18 dB at 40 Hz
• Class D Circuitry
• Dimensions: 9-7/16"W x 7-9/16"L x 2-3/16"H

Kenwood KAC-9102D

Monoblock Class D 1700 watts Amplifier

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Kenwood KAC-9102D

Monoblock Class D 1700 watts Amplifier

Class-D Monoblock Amplifier • 500W RMS x 1 @ 4 ohm • 850W RMS x 1 @ 2 ohm • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 1 Pair RCA Outputs • 0 - 18 dB Bass Boost

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Class-D Monoblock Amplifier • 500W RMS x 1 @ 4 ohm • 850W RMS x 1 @ 2 ohm • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 1 Pair RCA Outputs • 0 - 18 dB Bass Boost

Kenwood KAC-9103D

1800W Max, Class D Monoblock Amplifier

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Kenwood KAC-9103D

1800W Max, Class D Monoblock Amplifier

1800W Class-D Monoblock Amplifier • 500W RMS x 1 @ 4 ohm • 900W RMS x 1 @ 2 ohm • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 1 Pair RCA Outputs • 0 - 18 dB Bass Boost

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1800W Class-D Monoblock Amplifier • 500W RMS x 1 @ 4 ohm • 900W RMS x 1 @ 2 ohm • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 1 Pair RCA Outputs • 0 - 18 dB Bass Boost

Kenwood KAC-9152D

900W RMS, Class D Monoblock Amplifier

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Kenwood KAC-9152D

900W RMS, Class D Monoblock Amplifier

Class-D Monoblock Amplifier • Bass Remote Included • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 900W RMS x 1 @ 2 • 1 Pair RCA Outputs • 0 -18/dB Bass Boost

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Class-D Monoblock Amplifier • Bass Remote Included • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 900W RMS x 1 @ 2 • 1 Pair RCA Outputs • 0 -18/dB Bass Boost

Kenwood X500-1

500W RMS Monoblock eXcelon Series Class D Digital Power Amplifier

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Kenwood X500-1

500W RMS Monoblock eXcelon Series Class D Digital Power Amplifier

• 4 ohm: 300 watts x 1 chan. • 2 ohm: 500 watts x 1 chan. • Max power output: 1000 watts x 1 chan. • • Mono Channel Operation

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• 4 ohm: 300 watts x 1 chan. • 2 ohm: 500 watts x 1 chan. • Max power output: 1000 watts x 1 chan. • • Mono Channel Operation

Kenwood KAC-8101D

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Kenwood KAC-8101D

1000 watt Class D MOSFET Power Amplifier • Cast Aluminum Heat Sink w/Sandblast Finish • Blue Logo Triangle Power Indicator

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1000 watt Class D MOSFET Power Amplifier • Cast Aluminum Heat Sink w/Sandblast Finish • Blue Logo Triangle Power Indicator

Kenwood KAC-6104D

600W Max, Class D Monoblock Amplifier

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Kenwood KAC-6104D

600W Max, Class D Monoblock Amplifier

GUARANTEED LOWEST PRICE. CONTACT US 24/7 • Class D Monoblock Car Amplifier • 200 Watts RMS x1 @ 4 Ohm • 300 Watts RMS x1 @ 2 Ohm• 400 Watts Max • MOSFET Switching Power Supply • Speaker-Level Inputs • Aluminum Heat Sink • CEA-2006 Complaint Amplifier •

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GUARANTEED LOWEST PRICE. CONTACT US 24/7 • Class D Monoblock Car Amplifier • 200 Watts RMS x1 @ 4 Ohm • 300 Watts RMS x1 @ 2 Ohm• 400 Watts Max • MOSFET Switching Power Supply • Speaker-Level Inputs • Aluminum Heat Sink • CEA-2006 Complaint Amplifier •

Kenwood KAC-8151D with Bass Remote

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Kenwood KAC-8151D with Bass Remote

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Kenwood KAC-8152D

Class D Monoblock Amplifier with Bass Remote

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Kenwood KAC-8152D

Class D Monoblock Amplifier with Bass Remote

Class-D Monoblock Amplifier • Bass Remote Included • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 550W RMS x 1 @ 2 • 1 Pair RCA Outputs • 0 -18/dB Bass Boost

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Class-D Monoblock Amplifier • Bass Remote Included • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 550W RMS x 1 @ 2 • 1 Pair RCA Outputs • 0 -18/dB Bass Boost

Kenwood eXcelon KAC-X10D

Class D Monoblock Amplifier

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Kenwood eXcelon KAC-X10D

Class D Monoblock Amplifier

Class D Monoblock Amplifier • Peak Power Output: 1200 watts • RMS Power Output: 4 ohm: 300 watts x 1 channel / 2 ohm: 600 watts x 1 channel • 1 ohm load capability • S/N Ratio: 105 dB • CEA-2006 Compliant • Power MOS-FET switching power supply

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Class D Monoblock Amplifier • Peak Power Output: 1200 watts • RMS Power Output: 4 ohm: 300 watts x 1 channel / 2 ohm: 600 watts x 1 channel • 1 ohm load capability • S/N Ratio: 105 dB • CEA-2006 Compliant • Power MOS-FET switching power supply

Kenwood eXcelon X1200M

2400W Max, Class D Monoblock Digital Power Amplifier

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Kenwood eXcelon X1200M

2400W Max, Class D Monoblock Digital Power Amplifier

Gouriki Series Monoblock Class D Car Amplifier • 2400 Watts Max • 1200 Watts x 1 Chan. @ 2 Ohm • 800 Watts x 1 Chan. @ 4 Ohm • Dual Sigma Drive Negative Feedback Circuit • Cooling Fan And Multiple Vents •

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Gouriki Series Monoblock Class D Car Amplifier • 2400 Watts Max • 1200 Watts x 1 Chan. @ 2 Ohm • 800 Watts x 1 Chan. @ 4 Ohm • Dual Sigma Drive Negative Feedback Circuit • Cooling Fan And Multiple Vents •

Kenwood KAC-8103D OB

1000W max. Class D Monoblock Amplifier

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Kenwood KAC-8103D OB

1000W max. Class D Monoblock Amplifier

100 watt Class D Monoblock Amplifier • 300W RMS x 1 @ 4 ohm • 500W RMS x 1 @ 2 ohm • Variable Low-Pass and Infrasonic Filter • S/N Ratio is 85 dB

100 watt Class D Monoblock Amplifier • 300W RMS x 1 @ 4 ohm • 500W RMS x 1 @ 2 ohm • Variable Low-Pass and Infrasonic Filter • S/N Ratio is 85 dB

Kenwood eXcelon KAC-X811D

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Kenwood eXcelon KAC-X811D

• A.M.S. Amplifier Management System • Class D Operation • Quiet Turn-On • Maximum Output Power: 1600 Watts x 1 • Large Secondary Capacitors • MOSFET Power Supply • 1 Cooling Fan (2-speed)

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• A.M.S. Amplifier Management System • Class D Operation • Quiet Turn-On • Maximum Output Power: 1600 Watts x 1 • Large Secondary Capacitors • MOSFET Power Supply • 1 Cooling Fan (2-speed)

Kenwood eXcelon XR600-1

600W eXcelon Series Monoblock Class D Car Amplifier

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Kenwood eXcelon XR600-1

600W eXcelon Series Monoblock Class D Car Amplifier

• RMS Power: 400W x 1 @ 4 ohm, 600W x 1 @ 2 ohm
• Variable Low-Pass Filter (50-200 Hz, 24 dB/octave)
• CEA-2006 Compliant
• Dimensions: 8-11/16"W x 1-7/16"L x 8"H

• RMS Power: 400W x 1 @ 4 ohm, 600W x 1 @ 2 ohm
• Variable Low-Pass Filter (50-200 Hz, 24 dB/octave)
• CEA-2006 Compliant
• Dimensions: 8-11/16"W x 1-7/16"L x 8"H

Kenwood eXcelon KAC-X1R

2400W Max, Class D Monoblock Amplifier

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Kenwood eXcelon KAC-X1R

2400W Max, Class D Monoblock Amplifier

>2400 watt Monoblock amplifier • 1200 watts x 1 RMS @ 2 ohm • Optional Wired Remote • Master/Slave Capable • 75 Amp Power Consumption

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>2400 watt Monoblock amplifier • 1200 watts x 1 RMS @ 2 ohm • Optional Wired Remote • Master/Slave Capable • 75 Amp Power Consumption

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    Kenwood Monoblock Amplifiers Information

    The Kenwood monoblock amplifiers are designed for efficient power output. These amps take up little space and feature high quality platinum finished connections, and solid power ratings. You won't be disappointed with your Kenwood monoblock amplifier for your vehicle's needs.
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