Garage
Shop

Discontinued Kenwood 4-Channel Amplifiers

Enhance your audio system with Kenwood's versatile and powerful 4-channel amplifiers.

Loading...
Filters

We are sorry, no available results!

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.

Kenwood X301-4 Like New, Demo Product

600W Max X-Series Bridgeable 4-channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W Max X-Series Bridgeable 4-channel Amplifier

Like new Damaged Package
• 50 Watts RMS x 4 @ 4 ohm
• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• Variable low-pass and high-pass filter: 50 - 200Hz, 24 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost at 40Hz
• Speaker-level (high-level) inputs

Like new Damaged Package
• 50 Watts RMS x 4 @ 4 ohm
• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• Variable low-pass and high-pass filter: 50 - 200Hz, 24 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost at 40Hz
• Speaker-level (high-level) inputs

Go to item page Right Arrow Icon of Right Arrow

Bridgeable MOSFET 4 Channel Amplifier • 160W Peak / 80W RMS x 2 bridged power output • selectable high/low pass crossovers • 4-way protection circuitry • gold-plated RCA jacks • 4/3/2 channel or Tri-way output

Bridgeable MOSFET 4 Channel Amplifier • 160W Peak / 80W RMS x 2 bridged power output • selectable high/low pass crossovers • 4-way protection circuitry • gold-plated RCA jacks • 4/3/2 channel or Tri-way output

Kenwood eXcelon XR-4S

Reference Fit Class D 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

Reference Fit Class D 4-Channel Amplifier

Reference Fit Class D Monoblock Car Amplifier • 120 Watts RMS X 4 Chan. @ 4 Ohm • 150 Watts RMS X 4 Chan. @ 2 Ohm • 300 Watts x 4 Chan Max • Heavy Duty Heatsink With Cooling Fan • Digital Amplifier • Dual Power Supply

Reference Fit Class D Monoblock Car Amplifier • 120 Watts RMS X 4 Chan. @ 4 Ohm • 150 Watts RMS X 4 Chan. @ 2 Ohm • 300 Watts x 4 Chan Max • Heavy Duty Heatsink With Cooling Fan • Digital Amplifier • Dual Power Supply

Kenwood X301-4 Open Box Complete

600W Max X-Series Bridgeable 4-channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W Max X-Series Bridgeable 4-channel Amplifier

• Item Condition: Open Box Complete
• 50 Watts RMS x 4 @ 4 ohm
• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• Variable low-pass and high-pass filter: 50 - 200Hz, 24 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost at 40Hz
• Speaker-level (high-level) inputs

• Item Condition: Open Box Complete
• 50 Watts RMS x 4 @ 4 ohm
• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• Variable low-pass and high-pass filter: 50 - 200Hz, 24 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost at 40Hz
• Speaker-level (high-level) inputs

Kenwood eXcelon KAC-X542

4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

4-Channel Amplifier

4-Channel Power Amplifier • 88W x 4 @ 4 ohm RMS • A.M.S. • Gold Plated Input/Output Terminals • 2-Speed Cooling Fan • Built-in Infrasonic Filter • Detachable Aluminum Dress Plate

4-Channel Power Amplifier • 88W x 4 @ 4 ohm RMS • A.M.S. • Gold Plated Input/Output Terminals • 2-Speed Cooling Fan • Built-in Infrasonic Filter • Detachable Aluminum Dress Plate

Kenwood KAC-8403

800W max. 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

800W max. 4-Channel Amplifier

4-Channel Amplifier • 60 watts x 4 Chan. @ 4 ohm • 90 watts x 4 Chan. @ 2 ohm • 180 watts x 2 Chan. @ 4 ohm • Low-Pass Filter: 50 - 200 Hz • Bass Boost 0 - 6 dB • S/N Ratio 100 dB

4-Channel Amplifier • 60 watts x 4 Chan. @ 4 ohm • 90 watts x 4 Chan. @ 2 ohm • 180 watts x 2 Chan. @ 4 ohm • Low-Pass Filter: 50 - 200 Hz • Bass Boost 0 - 6 dB • S/N Ratio 100 dB

EXCLUSIVE

Kenwood KAC-8405 + Amplifier Kit

720W Max, 4-Channel Performance Series Amplifier with 4 Gauge Amplifier Kit

Go to item page Right Arrow Icon of Right Arrow

720W Max, 4-Channel Performance Series Amplifier with 4 Gauge Amplifier Kit

4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 90W x 4 chan. @ 2 ohm • 180W x 2 chan. @ 4 ohm • 720W Max • Built-in cooling fan • Included 4 Gauge Amplifier Kit

4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 90W x 4 chan. @ 2 ohm • 180W x 2 chan. @ 4 ohm • 720W Max • Built-in cooling fan • Included 4 Gauge Amplifier Kit

Kenwood KAC-6402

4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

4-Channel Amplifier

4-Channel Power Amplifier • 40W RMS x 4 @ 4 • 100W RMS x 2 @ 4 Bridged • Cast Aluminum Heat Sink • Variable Crossovers High & Low Level Inputs • Tri-Mode Capable • Red Power Indicator Jewel

4-Channel Power Amplifier • 40W RMS x 4 @ 4 • 100W RMS x 2 @ 4 Bridged • Cast Aluminum Heat Sink • Variable Crossovers High & Low Level Inputs • Tri-Mode Capable • Red Power Indicator Jewel

Kenwood eXcelon XXV-02A

25th Anniversary Edition, 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

25th Anniversary Edition, 4-Channel Amplifier

4-channel car amplifier • 25th Anniversary Edition • 240 watts RMS x 2 • AMS (Amplifier Management System): -15 to 15 dB bass level control, Q factor control, bass/treble frequency control

4-channel car amplifier • 25th Anniversary Edition • 240 watts RMS x 2 • AMS (Amplifier Management System): -15 to 15 dB bass level control, Q factor control, bass/treble frequency control

Kenwood KAC-6404

500W Max, 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

500W Max, 4-Channel Amplifier

GUARANTEED LOWEST PRICE. CONTACT US 24/7 • 4-Channel Class AB Car Amplifier • 40W x 4 chan. @ 4 ohm • 60W x 4 chan. @ 2 ohm • 130W x 2 chan. @ 4 ohm • 125W x 4 chan. Max • Short circuit, DC offset, overload, and thermal protection circuitry

GUARANTEED LOWEST PRICE. CONTACT US 24/7 • 4-Channel Class AB Car Amplifier • 40W x 4 chan. @ 4 ohm • 60W x 4 chan. @ 2 ohm • 130W x 2 chan. @ 4 ohm • 125W x 4 chan. Max • Short circuit, DC offset, overload, and thermal protection circuitry

Kenwood KAC-8406 OPEN BOX COMPLETE

900W Max 4-Channel Class AB Performance Series Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

900W Max 4-Channel Class AB Performance Series Car Amplifier

Installed and used
• RMS Power: 70W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• Total Peak Power: 900W
• CEA-2006 Compliant
• Dimensions: 13-3/16" W x 7-9/16" D x 2-3/16" H

Installed and used
• RMS Power: 70W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• Total Peak Power: 900W
• CEA-2006 Compliant
• Dimensions: 13-3/16" W x 7-9/16" D x 2-3/16" H

Kenwood KACM3004 OPEN BOX COMPLETE

600W Class D 4-Channel Compact Digital Car/Marine Certified Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W Class D 4-Channel Compact Digital Car/Marine Certified Amplifier

Item has been previously installed and wires cut
• RMS: 50W x 4 @ 4 ohm, 75W x 4 @ 2 ohm &bull, 150W x 2 Bridged @ 4 Ohm ; Total Peak Power: 600W
• CEA-2006 Compliant/Preamp Outputs/LPF
• Variable Bass Boost: 0 to +12 dB bass boost at 50 Hz
• Lo-Level (RCA) and Speaker-level (high-level) inputs
• Dimensions: 6-1/2"W x 4"D x 1-13/16"H

Item has been previously installed and wires cut
• RMS: 50W x 4 @ 4 ohm, 75W x 4 @ 2 ohm &bull, 150W x 2 Bridged @ 4 Ohm ; Total Peak Power: 600W
• CEA-2006 Compliant/Preamp Outputs/LPF
• Variable Bass Boost: 0 to +12 dB bass boost at 50 Hz
• Lo-Level (RCA) and Speaker-level (high-level) inputs
• Dimensions: 6-1/2"W x 4"D x 1-13/16"H

Kenwood KAC-8405 Open Box

(Open Box) 720W Max, 4-Channel Performance Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

(Open Box) 720W Max, 4-Channel Performance Series Amplifier

GUARANTEED LOWEST PRICE. CONTACT US 24/7 • 4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 90W x 4 chan. @ 2 ohm • 180W x 2 chan. @ 4 ohm • 720W Max • Built-in cooling fan • Short circuit, DC offset, overload, and thermal protection circuitry

GUARANTEED LOWEST PRICE. CONTACT US 24/7 • 4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 90W x 4 chan. @ 2 ohm • 180W x 2 chan. @ 4 ohm • 720W Max • Built-in cooling fan • Short circuit, DC offset, overload, and thermal protection circuitry

Kenwood KAC-8452 R/B

FACTORY REFURBISHED

Go to item page Right Arrow Icon of Right Arrow

FACTORY REFURBISHED

4-Channel Power Amplifier • Variable Crossover • High and Low Level Inputs • 70W RMS x 4 @ 4 • 100W RMS x 4 @ 2 • 1 Pair RCA Outputs • 0 -18/dB Bass Boost

4-Channel Power Amplifier • Variable Crossover • High and Low Level Inputs • 70W RMS x 4 @ 4 • 100W RMS x 4 @ 2 • 1 Pair RCA Outputs • 0 -18/dB Bass Boost

Kenwood eXcelon X600F (Open Box)

(Open Box) 1200W Max, 4-Channel Power Amplifier

Go to item page Right Arrow Icon of Right Arrow

(Open Box) 1200W Max, 4-Channel Power Amplifier

Gouriki Series 4-Channel Class A/B Car Amplifier • 1200 Watts Max • 150 Watts x 4 Chan. @ 2 Ohm • 100 Watts x 4 Chan. @ 4 Ohm • K-STAT Self-Tracking Audio Transistor Technology • Cooling Fan And Multiple Vents •

Gouriki Series 4-Channel Class A/B Car Amplifier • 1200 Watts Max • 150 Watts x 4 Chan. @ 2 Ohm • 100 Watts x 4 Chan. @ 4 Ohm • K-STAT Self-Tracking Audio Transistor Technology • Cooling Fan And Multiple Vents •

Kenwood eXcelon XR-4S Open Box

Reference Fit Class D 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

Reference Fit Class D 4-Channel Amplifier

Reference Fit Class D Monoblock Car Amplifier • 120 Watts RMS X 4 Chan. @ 4 Ohm • 150 Watts RMS X 4 Chan. @ 2 Ohm • 300 Watts x 4 Chan Max • Heavy Duty Heatsink With Cooling Fan • Digital Amplifier • Dual Power Supply

Reference Fit Class D Monoblock Car Amplifier • 120 Watts RMS X 4 Chan. @ 4 Ohm • 150 Watts RMS X 4 Chan. @ 2 Ohm • 300 Watts x 4 Chan Max • Heavy Duty Heatsink With Cooling Fan • Digital Amplifier • Dual Power Supply

Kenwood eXcelon XR400-4

400W eXcelon Series 4-Channel Reference XR Stereo Bridgeable Class D Car Power Amplifier (XR4004)

Go to item page Right Arrow Icon of Right Arrow

400W eXcelon Series 4-Channel Reference XR Stereo Bridgeable Class D Car Power Amplifier (XR4004)

• 75W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 200W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Extremely Thin Design

• 75W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 200W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Extremely Thin Design

Items per page: 20 40 60

    Clear all

    Kenwood 4-Channel Amplifiers Information

    A 4 channel car amplifier from Kenwood will provide your vehicle with the power it requires. These amps can operate four channels and Kenwood is a leader in amplification solutions. Power your speakers with a Kenwood 4-channel amplifier for a great all around sound.
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2004 Ford Explorer

    2000 Toyota Avalon

    2010 MINI Cooper

    2009 Ford Taurus X

    2012 Buick Regal

    2002 Ford Focus

    2013 Dodge Charger

    2005 Chrysler PT Cruiser

    2016 Nissan Pathfinder

    2011 Scion xD

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.