Garage
Shop

Discontinued JL Audio 4-Channel Amplifiers

Versatile and robust, JL Audio's 4-channel amplifiers enhance your audio system.

Loading...
Filters

We are sorry, no available results!

Shop the Category

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

JL Audio XD400/4v2

400W RMS XDv2 Series Class-D 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

400W RMS XDv2 Series Class-D 4-Channel Amplifier

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

JL Audio 500/5

500 watts, 5-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

500 watts, 5-Channel Amplifier

5-Channel Power Amplifier • (100W x 2 front chan.) + (25W x 2 rear chan.) + (250W x 1 sub chan.) • 108.5 dB S/N Ratio for front/rear channels • 98.5 dB S/N Ratio for sub chan. • 1.5 ohm - 4 ohm stable

5-Channel Power Amplifier • (100W x 2 front chan.) + (25W x 2 rear chan.) + (250W x 1 sub chan.) • 108.5 dB S/N Ratio for front/rear channels • 98.5 dB S/N Ratio for sub chan. • 1.5 ohm - 4 ohm stable

JL Audio e6450

6-Channel System Amplifier

Go to item page Right Arrow Icon of Right Arrow

6-Channel System Amplifier

6-Channel System Amplifier • Absolute Symmetry Class AB Circuit • 75W RMS x 6 @ 2 • 150W RMS x 3 @ 4 (Bridged) • High and Low Level Inputs • Bass EQ (0/+6dB) • 3 Pair RCA Inputs • Adjustable Crossover • Adjustable Input Sensitivity

6-Channel System Amplifier • Absolute Symmetry Class AB Circuit • 75W RMS x 6 @ 2 • 150W RMS x 3 @ 4 (Bridged) • High and Low Level Inputs • Bass EQ (0/+6dB) • 3 Pair RCA Inputs • Adjustable Crossover • Adjustable Input Sensitivity

JL Audio J2 320.4 (J2320.4)

320W RMS, J2 Series Full-Range 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

320W RMS, J2 Series Full-Range 4-Channel Amplifier

J2 Series 4-Channel Class B Car Amplifier • 60W x 4 Chan. @ 4 ohm • MOSFET Power supply • Bass Boost 0-12 dB • 2/4 Channel input switch • High-pass and low-pass filters

J2 Series 4-Channel Class B Car Amplifier • 60W x 4 Chan. @ 4 ohm • MOSFET Power supply • Bass Boost 0-12 dB • 2/4 Channel input switch • High-pass and low-pass filters

JL Audio A6450

660W RMS, 6-Channel Class A/B A Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

660W RMS, 6-Channel Class A/B A Series Amplifier

A Series 6-Channel Class AB Car Amplifier • 110W x 6 chan. @ 2 ohm • MOSFET power supply • Absolute Symmetry• Class A/B Circuit • Preamp RCA inputs

A Series 6-Channel Class AB Car Amplifier • 110W x 6 chan. @ 2 ohm • MOSFET power supply • Absolute Symmetry• Class A/B Circuit • Preamp RCA inputs

JL Audio Slash v2 450/4v2

450W RMS, Slash Version 2 Series 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

450W RMS, Slash Version 2 Series 4-Channel Amplifier

Slash v2 Series 4-Channel Class AB Car Amplifier • 150W x 2 chan. @ 4 ohm • MOSFET power supply • Differential-balanced with RCA jack inputs • Preamp RCA outputs

Slash v2 Series 4-Channel Class AB Car Amplifier • 150W x 2 chan. @ 4 ohm • MOSFET power supply • Differential-balanced with RCA jack inputs • Preamp RCA outputs

JL Audio G4500

1000W Max, 4-Channel G-Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W Max, 4-Channel G-Series Amplifier

JL Audio G-Series 4-Channel Class A/B Car Amplifier • 80W x 4 Chan. @ 4 ohm • 125W x 4 Chan. @ 2 ohm • Bridged 250W x 2 Chan. @ 4 ohm • 400 watts x 2 Chan. Max • Selectable Bass Boost • Preamp RCA Outputs

JL Audio G-Series 4-Channel Class A/B Car Amplifier • 80W x 4 Chan. @ 4 ohm • 125W x 4 Chan. @ 2 ohm • Bridged 250W x 2 Chan. @ 4 ohm • 400 watts x 2 Chan. Max • Selectable Bass Boost • Preamp RCA Outputs

JL Audio 300/4

300 watts, 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

300 watts, 4-Channel Amplifier

4-Channel Power Amplifier • 75 watts RMS x 4 chan. • Bridged: 150 watts RMS x 2 chan. • 108.5 dB S/N Ratio • 1.5 ohm - 8 ohm stable (1.5 - 4 ohm unbridged, 3 - 8 ohm when bridged)

4-Channel Power Amplifier • 75 watts RMS x 4 chan. • Bridged: 150 watts RMS x 2 chan. • 108.5 dB S/N Ratio • 1.5 ohm - 8 ohm stable (1.5 - 4 ohm unbridged, 3 - 8 ohm when bridged)

JL Audio e4300

440 watts, Class A/B 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

440 watts, Class A/B 4-Channel Amplifier

440W RMS Class AB Four-Channel System Amplifier • Absolute Symmetry Class AB Circuit • On-board crossover: HPF/LPF(50-200 Hz.) • 110 watts x 4 chan. @ 2 Ohm(14.4V) • Low(RCA) and high-level inputs • CEA-2006 Compliant

440W RMS Class AB Four-Channel System Amplifier • Absolute Symmetry Class AB Circuit • On-board crossover: HPF/LPF(50-200 Hz.) • 110 watts x 4 chan. @ 2 Ohm(14.4V) • Low(RCA) and high-level inputs • CEA-2006 Compliant

JL Audio 450/4 (BLACK SPECIAL EDITION)

450W RMS, 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

450W RMS, 4-Channel Amplifier

BLACK CHASSIS - 4-Channel Power Amplifier • (150W x 2 front chan.) + (75W x 2 rear chan.) • Bridged:(300W x 1 front chan.) + (150W x 1 rear chan.) • 108.5 dB S/N Ratio • 1.5 ohm - 8 ohm stable (1.5 - 4 ohm unbridged, 3 - 8 ohm when bridged)

BLACK CHASSIS - 4-Channel Power Amplifier • (150W x 2 front chan.) + (75W x 2 rear chan.) • Bridged:(300W x 1 front chan.) + (150W x 1 rear chan.) • 108.5 dB S/N Ratio • 1.5 ohm - 8 ohm stable (1.5 - 4 ohm unbridged, 3 - 8 ohm when bridged)

JL Audio Marine M4500 (MC4500)

500W RMS, 4-Channel M-Series Marine Amplifier

Go to item page Right Arrow Icon of Right Arrow

500W RMS, 4-Channel M-Series Marine Amplifier

JL Audio M-Series 4-Channel Marine Amplifier • 80W x 4 Chan. @ 4 ohm • 125W x 4 Chan. @ 2 ohm • 500W x 1 Chan. Max • LED Power Indicators • Pass-Through Preamps • High-Pass Filter • Low-Pass Filter • Class A/B

JL Audio M-Series 4-Channel Marine Amplifier • 80W x 4 Chan. @ 4 ohm • 125W x 4 Chan. @ 2 ohm • 500W x 1 Chan. Max • LED Power Indicators • Pass-Through Preamps • High-Pass Filter • Low-Pass Filter • Class A/B

JL Audio J2 320.4 (J2320.4) Open Box

(Open Box) 320W RMS, J2 Series Full-Range 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

(Open Box) 320W RMS, J2 Series Full-Range 4-Channel Amplifier

J2 Series 4-Channel Class B Car Amplifier • 60W x 4 Chan. @ 4 ohm • MOSFET Power supply • Bass Boost 0-12 dB • 2/4 Channel input switch • High-pass and low-pass filters

J2 Series 4-Channel Class B Car Amplifier • 60W x 4 Chan. @ 4 ohm • MOSFET Power supply • Bass Boost 0-12 dB • 2/4 Channel input switch • High-pass and low-pass filters

JL Audio A4300

440W RMS, 4-Channel Class A/B A Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

440W RMS, 4-Channel Class A/B A Series Amplifier

A Series 4-Channel Class AB Car Amplifier • 110W RMS x 4 chan. at 2 ohm • Absolute Symmetry™ Class A/B Circuit • Pass-through type Preamp Output

A Series 4-Channel Class AB Car Amplifier • 110W RMS x 4 chan. at 2 ohm • Absolute Symmetry™ Class A/B Circuit • Pass-through type Preamp Output

JL Audio 450/4

450 watts, 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

450 watts, 4-Channel Amplifier

4-Channel Power Amplifier • (150W x 2 front chan.) + (75W x 2 rear chan.) • Bridged:(300W x 1 front chan.) + (150W x 1 rear chan.) • 108.5 dB S/N Ratio • 1.5 ohm - 8 ohm stable (1.5 - 4 ohm unbridged, 3 - 8 ohm when bridged)

4-Channel Power Amplifier • (150W x 2 front chan.) + (75W x 2 rear chan.) • Bridged:(300W x 1 front chan.) + (150W x 1 rear chan.) • 108.5 dB S/N Ratio • 1.5 ohm - 8 ohm stable (1.5 - 4 ohm unbridged, 3 - 8 ohm when bridged)

JL Audio XD400/4

400W 4-Channel Class D XD Series Full-Range Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

400W 4-Channel Class D XD Series Full-Range Car Amplifier

• 100W x 4-Chan @ 2 Ohm
• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 3-Way System Protection Circuitry
• Remote Bass Input

• 100W x 4-Chan @ 2 Ohm
• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 3-Way System Protection Circuitry
• Remote Bass Input

JL Audio 500/5 R/B

Factory Refurbished - 5-Channel Slash Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

Factory Refurbished - 5-Channel Slash Series Amplifier

5-Channel Power Amplifier • (100W x 2 front chan.) + (25W x 2 rear chan.) + (250W x 1 sub chan.) • 108.5 dB S/N Ratio for front/rear channels • 98.5 dB S/N Ratio for sub chan. • 1.5 ohm - 4 ohm stable

5-Channel Power Amplifier • (100W x 2 front chan.) + (25W x 2 rear chan.) + (250W x 1 sub chan.) • 108.5 dB S/N Ratio for front/rear channels • 98.5 dB S/N Ratio for sub chan. • 1.5 ohm - 4 ohm stable

JL Audio A4300 R/B

440W RMS, 4-Channel Class A/B A Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

440W RMS, 4-Channel Class A/B A Series Amplifier

A Series 4-Channel Class AB Car Amplifier • 110W RMS x 4 chan. at 2 ohm • Absolute Symmetry™ Class A/B Circuit • Pass-through type Preamp Output

A Series 4-Channel Class AB Car Amplifier • 110W RMS x 4 chan. at 2 ohm • Absolute Symmetry™ Class A/B Circuit • Pass-through type Preamp Output

JL Audio 300/4 R/B

(Factory Refurbished) 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

(Factory Refurbished) 4-Channel Amplifier

4-Channel Power Amplifier • 75 watts RMS x 4 chan. • Bridged: 150 watts RMS x 2 chan. • 108.5 dB S/N Ratio • 1.5 ohm - 8 ohm stable (1.5 - 4 ohm unbridged, 3 - 8 ohm when bridged)

4-Channel Power Amplifier • 75 watts RMS x 4 chan. • Bridged: 150 watts RMS x 2 chan. • 108.5 dB S/N Ratio • 1.5 ohm - 8 ohm stable (1.5 - 4 ohm unbridged, 3 - 8 ohm when bridged)

EXCLUSIVE

JL Audio + Alpine Amplified 4-Ch. High Fidelity System w/ 6.5" & 6x9" Speakers

JL Audio C3-650 6.5" Convertible Speakers + JL Audio C2-690tx 6x9" Coaxial Speakers + Alpine PDR-F50 4-Ch Class D Digital Amplifier + NVX Amp Kit

Go to item page Right Arrow Icon of Right Arrow

JL Audio C3-650 6.5" Convertible Speakers + JL Audio C2-690tx 6x9" Coaxial Speakers + Alpine PDR-F50 4-Ch Class D Digital Amplifier + NVX Amp Kit

• Mineral-Filled Polypropylene Cone
• Silk Dome Tweeter
• DMA-Optimized Motor System
• Symmetrical Roll Spider
• RMS Power: 85W x 4 @ 4 ohm
• CEA-2006 Compliant Amplifier
• Rotatable Illuminated Alpine Badge
• Top-Side Control Panel w/ Removable Cover
• Voltage ON/OFF Sensing for OEM Upgrade
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

• Mineral-Filled Polypropylene Cone
• Silk Dome Tweeter
• DMA-Optimized Motor System
• Symmetrical Roll Spider
• RMS Power: 85W x 4 @ 4 ohm
• CEA-2006 Compliant Amplifier
• Rotatable Illuminated Alpine Badge
• Top-Side Control Panel w/ Removable Cover
• Voltage ON/OFF Sensing for OEM Upgrade
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

EXCLUSIVE

Two Pair of JL Audio C3-600 + Polk Audio PA D4000.4

6.0" 2-Way Evolution C3 Series Convertible Component/Coaxial Car Speaker System + 800W RMS PA D Series Class-D 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

6.0" 2-Way Evolution C3 Series Convertible Component/Coaxial Car Speaker System + 800W RMS PA D Series Class-D 4-Channel Amplifier

• 125 Watts RMS x 4 @ 4 ohm
• 2-Way Convertible Component/Coaxial Speakers System
• Mineral-Filled Polypropylene Cone
• 1" Silk Dome Tweeter
• DMA-Optimized Motor System
• Symmetrical Roll Spider
• CEA-2006 Compliant
• Frequency Response: 20 - 20,000 Hz
• Selectable crossover modes: LPF / FULL / HPF , with 10x Multiplier
• Dimensions: 6-3/4" W x 10-15/16" L x 1-13/16" H

• 125 Watts RMS x 4 @ 4 ohm
• 2-Way Convertible Component/Coaxial Speakers System
• Mineral-Filled Polypropylene Cone
• 1" Silk Dome Tweeter
• DMA-Optimized Motor System
• Symmetrical Roll Spider
• CEA-2006 Compliant
• Frequency Response: 20 - 20,000 Hz
• Selectable crossover modes: LPF / FULL / HPF , with 10x Multiplier
• Dimensions: 6-3/4" W x 10-15/16" L x 1-13/16" H

Items per page: 20 40 60

    Clear all

    JL Audio 4-Channel Amplifiers Information

    A 4 channel car amplifier from JL Audio will provide your vehicle with the power it requires. These amps can operate four channels and JL Audio is a leader in amplification solutions. Power your speakers with a JL Audio 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

    2000 Volvo V70

    2017 Lexus CT200h

    2011 Honda Element

    2010 Volkswagen Beetle

    2003 Buick Rendezvous

    2016 Nissan Pathfinder

    2001 Jaguar XK8

    2010 Ford Transit Connect

    2014 Ram 2500

    2003 Subaru Baja

    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 page 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.