Garage
Shop

Discontinued 4-Channel Amplifiers

Loading...
Filters

We are sorry, no available results!

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.
Go to item page Right Arrow Icon of Right Arrow

60W RMS x 4 at 2 ohm • 90W RMS x 4 at 1 ohm • 30W RMS x 4 at 4 ohm • 180W RMS x 2 at 2 ohm in bridged mode • 1 ohm stereo stabe, 2 ohm mono stable • Tri-Way (2-,3-, 4-channel output)

60W RMS x 4 at 2 ohm • 90W RMS x 4 at 1 ohm • 30W RMS x 4 at 4 ohm • 180W RMS x 2 at 2 ohm in bridged mode • 1 ohm stereo stabe, 2 ohm mono stable • Tri-Way (2-,3-, 4-channel output)

Cerwin-Vega V600.4

600W Vega Series 4-Channel Class D Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W Vega Series 4-Channel Class D Car Amplifier

• RMS Power: 100W x 4 @ 4 ohm, 175W x 4 @ 2 ohm,
• Bridged, 4 ohm: 300 watts x 2 chan.
• Tiffany Style Low Level RCA Inputs
• Dimensions: 7.25"W x 10.47"L x 1.93"H

• RMS Power: 100W x 4 @ 4 ohm, 175W x 4 @ 2 ohm,
• Bridged, 4 ohm: 300 watts x 2 chan.
• Tiffany Style Low Level RCA Inputs
• Dimensions: 7.25"W x 10.47"L x 1.93"H

NVX - Worth the Envy - Direct to Consumer Car Audio

MTX RFL404

800W 4-Channel RFL Series Car Amplifier with Active Cooling Fan

Go to item page Right Arrow Icon of Right Arrow

800W 4-Channel RFL Series Car Amplifier with Active Cooling Fan

4-Channel RFL Series Car Amplifier • Patented Pure N-Channel Technology • Smart Engage Circuitry • JackStands Included • Built-In Active Fan Cooling Technology • CEA-2006 Compliant Amplifier • Preamp RCA Outputs

4-Channel RFL Series Car Amplifier • Patented Pure N-Channel Technology • Smart Engage Circuitry • JackStands Included • Built-In Active Fan Cooling Technology • CEA-2006 Compliant Amplifier • Preamp RCA Outputs

Planet Audio TR1600.4

1600W Max (300 W RMS) Torque Class-A/B 4-Chan. 2 ohm Stable Amp with Remote Level Control Included

Go to item page Right Arrow Icon of Right Arrow

1600W Max (300 W RMS) Torque Class-A/B 4-Chan. 2 ohm Stable Amp with Remote Level Control Included

• 150W RMS x 4 @ 4 ohm
• 300W RMS x 4 @ 2 ohm
• 600W RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 1600 Watts
• High and Low Pass Filters
• 0 - 18 dB Bass Boost
• Aluminum Heatsink
• Dimensions: 9.5" W x 13.6875" L x 2.125" H

• 150W RMS x 4 @ 4 ohm
• 300W RMS x 4 @ 2 ohm
• 600W RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 1600 Watts
• High and Low Pass Filters
• 0 - 18 dB Bass Boost
• Aluminum Heatsink
• Dimensions: 9.5" W x 13.6875" L x 2.125" H

EXCLUSIVE

Rockford R300X4 Amp+6.5" 2-Way Speakers+Amp Kit+RCA cable

4 JBL Speakers + Rockford Fosgate R300X4 4-Channel Amplifier + Rockford Fosgate Amp Kit

Go to item page Right Arrow Icon of Right Arrow

4 JBL Speakers + Rockford Fosgate R300X4 4-Channel Amplifier + Rockford Fosgate Amp Kit

• 50W x 4-Chan. @ 4 ohm
• 1-3/16" PEI Edge Driven Dome Tweeter
• Polypropylene Plus One™ Cone and Foam Surround
• Variable Bass Boost
• Variable High-Pass Crossover
• CEA-2006 Compliant
• Soft Start Turn-On

• 50W x 4-Chan. @ 4 ohm
• 1-3/16" PEI Edge Driven Dome Tweeter
• Polypropylene Plus One™ Cone and Foam Surround
• Variable Bass Boost
• Variable High-Pass Crossover
• CEA-2006 Compliant
• Soft Start Turn-On

Audiopipe APMAR-4080

1200W 4 Channel APMR Series Mini Marine Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W 4 Channel APMR Series Mini Marine Amplifier

• RMS Power: 80W x 4 @ 4 ohm, 115W x 4 @ 2 ohm
• Total Peak Power: 1200W
• Frequency Response: 10 - 20,000 Hz
• Dimensions: 6" W x 9-7/8" L x 1-7/8" H

• RMS Power: 80W x 4 @ 4 ohm, 115W x 4 @ 2 ohm
• Total Peak Power: 1200W
• Frequency Response: 10 - 20,000 Hz
• Dimensions: 6" W x 9-7/8" L x 1-7/8" H

RE Audio CTX-1000.4

600W 4-Channel Stereo CTX Series Class AB Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W 4-Channel Stereo CTX Series Class AB Car Amplifier

• 100W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• Bridged 300W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Turn On Delay for Quiet Start-Up

• 100W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• Bridged 300W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Turn On Delay for Quiet Start-Up

SKAR Audio LP-80.4AB

480W LP Series Class AB 4-Channel Stereo Bridgeable Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

480W LP Series Class AB 4-Channel Stereo Bridgeable Car Amplifier

• 80W x 4-Chan. @ 4 ohm
• 120W x 4-Chan. @ 2 ohm
• 240W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Mounting Bracket Hardware Included

• 80W x 4-Chan. @ 4 ohm
• 120W x 4-Chan. @ 2 ohm
• 240W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Mounting Bracket Hardware Included

Focal FDP4.600

Class-D 4-Channel Amplifier (150 W RMS x 4 @ 2 Ohms)

Go to item page Right Arrow Icon of Right Arrow

Class-D 4-Channel Amplifier (150 W RMS x 4 @ 2 Ohms)

• 4-Channel Class D Amplifier
• 150 x 4 W RMS @ 4 Ohm
• 200 x 4 W RMS @ 2 Ohm
• Very small size for the amount of power
• Can be used in 2, 3, or 4 channel modes

VIP Star Icon

VIP Product Get $85.00 in rewards to spend later

• 4-Channel Class D Amplifier
• 150 x 4 W RMS @ 4 Ohm
• 200 x 4 W RMS @ 2 Ohm
• Very small size for the amount of power
• Can be used in 2, 3, or 4 channel modes

PowerBass Xtreme XTA-4140

560W RMS XTA Series 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

560W RMS XTA Series 4-Channel Amplifier

XTA Series 4-Channel Class A/B Mini Car Amplifier • 560W RMS • Custom Tooled Speaker and Power Terminal Blocks • 4-Way System Protection Circuitry • Blue LED Power-On-Edge Logo Lighting • Platinum-Plated RCA Inputs

XTA Series 4-Channel Class A/B Mini Car Amplifier • 560W RMS • Custom Tooled Speaker and Power Terminal Blocks • 4-Way System Protection Circuitry • Blue LED Power-On-Edge Logo Lighting • Platinum-Plated RCA Inputs

Kole Audio PH4-1000

1000W Max, 4-Channel Phanatik Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W Max, 4-Channel Phanatik Series Amplifier

Phanatik Series 4-Channel Class AB Car Amplifier • 100W x 4 chan. @ 4 ohm • 125W x 4 chan. @ 2 ohm • 250W x 2 chan. @ 4 ohm • 500W x 2 chan. Max • PWM (Pulse Width Modulated) MOSFET power supply and transistor outputs • Preamp RCA outputs

Phanatik Series 4-Channel Class AB Car Amplifier • 100W x 4 chan. @ 4 ohm • 125W x 4 chan. @ 2 ohm • 250W x 2 chan. @ 4 ohm • 500W x 2 chan. Max • PWM (Pulse Width Modulated) MOSFET power supply and transistor outputs • Preamp RCA outputs

MTX Audio X704 (Same as 704X)

1260W Max, 4-Channel Class A/B X Thunder Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1260W Max, 4-Channel Class A/B X Thunder Car Amplifier

4-Channel Class A/B X Thunder Car Amplifier • 70W x 4 Chan @ 4 ohm • 105W x 4 Chan @ 2 ohm • 1260W Max • Speaker-Level Inputs • RCA Level Inputs • Thermal Protection • Low Impedance Protection

4-Channel Class A/B X Thunder Car Amplifier • 70W x 4 Chan @ 4 ohm • 105W x 4 Chan @ 2 ohm • 1260W Max • Speaker-Level Inputs • RCA Level Inputs • Thermal Protection • Low Impedance Protection

MB Quart ZA2-1000.4 w/ Complete 4-Channel 100% OFC Amp Kit

1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier w/ 100% OFC Complete 4 Channel 4 AWG Gauge Amplifier Wiring Kit

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier w/ 100% OFC Complete 4 Channel 4 AWG Gauge Amplifier Wiring Kit

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• NVX XKIT44 100% Copper 4 Gauge Car Amp Install Kit w/ 4-Ch RCA

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• NVX XKIT44 100% Copper 4 Gauge Car Amp Install Kit w/ 4-Ch RCA

Sound Storm SSL F4.1200

1200W Max Force Series 4-Channel Amplifier with Bass Remote Level Control (SoundStorm F41200)

Go to item page Right Arrow Icon of Right Arrow

1200W Max Force Series 4-Channel Amplifier with Bass Remote Level Control (SoundStorm F41200)

Force Series 4-Channel Class A/B Amplifier • 110 Watts x 4 Chan @ 4 Ohm • 1200 Watts Max • Chrome-Plated RCA Level Inputs And Screw Terminals • LED Power and Protect Indicators • Line and speaker-level inputs

Force Series 4-Channel Class A/B Amplifier • 110 Watts x 4 Chan @ 4 Ohm • 1200 Watts Max • Chrome-Plated RCA Level Inputs And Screw Terminals • LED Power and Protect Indicators • Line and speaker-level inputs

MA Audio M489I

4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

4-Channel Amplifier

800 Watt 4-Channel High Performance Amplifier • 100W x 4 @ 4 Ohm RMS • 150W x 4 @ 2 Ohm RMS • Full MOSFET Circuitry • High/Low Level Inputs • Variable High/Low Pass Cross-Over 50 - 250 Hz • Variable Bass Boost 0-18dB @ 45Hz

800 Watt 4-Channel High Performance Amplifier • 100W x 4 @ 4 Ohm RMS • 150W x 4 @ 2 Ohm RMS • Full MOSFET Circuitry • High/Low Level Inputs • Variable High/Low Pass Cross-Over 50 - 250 Hz • Variable Bass Boost 0-18dB @ 45Hz

Audiopipe APSM-4050

1000W, Class D 4-Channel Mini Design Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W, Class D 4-Channel Mini Design Car Amplifier

• • • • • Description Coming Soon! • • • • •

• • • • • Description Coming Soon! • • • • •

Boss CH4400

1600W 4-Channel Chaos Series Class AB Full Range Amplifier

Go to item page Right Arrow Icon of Right Arrow

1600W 4-Channel Chaos Series Class AB Full Range Amplifier

• RMS: 200W x 4 @ 4 ohm
• Total Peak Power: 1600W
• Nickel-plated RCA low level inputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included
• 11.00" W x 12.76" L x 2.87" H

• RMS: 200W x 4 @ 4 ohm
• Total Peak Power: 1600W
• Nickel-plated RCA low level inputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included
• 11.00" W x 12.76" L x 2.87" H

Autotek SMA2100.4

2100W 4-Channel Street Machine Series Class AB Amplifier

Go to item page Right Arrow Icon of Right Arrow

2100W 4-Channel Street Machine Series Class AB Amplifier

• RMS: 275W x 4 @ 4 ohm, 525W x 4 @ 2 ohm, 1050W x 2 @ 4 ohm Bridged
• Pulse Width Modulated MOSFET power supply
•Nickel plated brass connections
• Built-in Variable Low-Pass and Subsonic Filter
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation

• RMS: 275W x 4 @ 4 ohm, 525W x 4 @ 2 ohm, 1050W x 2 @ 4 ohm Bridged
• Pulse Width Modulated MOSFET power supply
•Nickel plated brass connections
• Built-in Variable Low-Pass and Subsonic Filter
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation

Blaupunkt PCA 465

700W Max, 4-Channel Amplifier PCA465

Go to item page Right Arrow Icon of Right Arrow

700W Max, 4-Channel Amplifier PCA465

700W max power output, 4-Channel Amplifier PCA465 • 100 watts x 4 chan @ 2 ohm • 65 watts x 4 chan. @ 4 ohm • massive gold-plated terminals • voltage protection • high level inputs • CEA-2006 Compliant • RCA Input

700W max power output, 4-Channel Amplifier PCA465 • 100 watts x 4 chan @ 2 ohm • 65 watts x 4 chan. @ 4 ohm • massive gold-plated terminals • voltage protection • high level inputs • CEA-2006 Compliant • RCA Input

NVX - Worth the Envy - Direct to Consumer Car Audio

Items per page: 20 40 60

    Clear all

    FAQ Frequently asked questions in Discontinued 4-Channel Amplifiers


    4 Channel Amplifiers Frequently Asked Questions (FAQ)
    A 4-channel amplifier is a type of car audio amplifier that features four separate channels, each capable of powering a speaker or a pair of speakers. By distributing power across four channels, you can connect your front and rear speakers to the amplifier, significantly enhancing the overall sound quality and clarity in your car audio system. With a 4-channel amplifier, you can achieve a balanced soundstage, where the music seems to come from different directions, providing an immersive listening experience. Additionally, these amplifiers often come with adjustable crossovers and gain controls, allowing you to fine-tune the audio output for each set of speakers, optimizing the sound reproduction according to your preferences.
    Yes, many 4-channel amplifiers are bridgeable, allowing you to combine two channels to power a single speaker or subwoofer with higher output power. This bridging capability is useful if you have a pair of high-powered front speakers or a powerful subwoofer that requires more power than a single channel can provide. However, it's essential to check the amplifier's specifications and instructions to confirm its bridgeability and the recommended bridging configurations. Not all 4-channel amplifiers support bridging, and improper bridging can damage the amplifier or connected speakers. If you are unsure about bridging your 4-channel amplifier, consult the amplifier's manual or reach out to Sonic Electronix customer support for expert assistance.
    To select the right 4-channel amplifier for your speakers, consider their power handling capabilities and impedance. First, identify the RMS power rating of your front and rear speakers. The amplifier's RMS power output per channel should match or slightly exceed the RMS power rating of your speakers to ensure optimal performance without distortion. Next, check the impedance (measured in ohms) of your speakers, as well as the amplifier's minimum and maximum impedance ratings. Match the speaker impedance with the appropriate amplifier channels to prevent compatibility issues. For example, if your speakers have an impedance of 4 ohms, make sure the amplifier channels for those speakers can handle a 4-ohm load. Paying attention to these specifications ensures a seamless integration of your speakers with the 4-channel amplifier.
    Yes, a 4-channel amplifier can be used to power additional speakers, such as tweeters or coaxial speakers, in your car audio system. Beyond the front and rear speakers, a 4-channel amplifier has the flexibility to accommodate additional speaker types, provided that the total load impedance and power requirements of the amplifier's channels are within its specifications. For example, if your 4-channel amplifier has two unused channels, you can use them to power additional speakers for improved sound coverage and audio performance. Be cautious not to overload the amplifier, and ensure that the speakers' impedance and power handling align with the available channels to avoid damaging the amplifier or speakers. If you have questions about expanding your audio system with a 4-channel amplifier, seek expert advice from Sonic Electronix.
    A proper and safe installation of a 4-channel amplifier is essential for optimal performance and to prevent any electrical or mechanical issues. To ensure a successful installation, start by reading the amplifier's user manual thoroughly, as it contains specific instructions and guidelines for installation. Follow all safety precautions and use the appropriate wiring and connectors rated for the amplifier's power output. Securely mount the amplifier in a well-ventilated area, away from heat sources, and avoid placing it on carpeted surfaces. Route and secure all cables carefully to avoid interference and potential hazards. Double-check all connections to ensure they are tight and secure. If you are not confident in installing the amplifier yourself, consider seeking professional installation services to ensure a safe and expertly done installation that optimizes the performance of your 4-channel amplifier and car audio system.
    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

    1999 Chevrolet Tracker

    1993 Toyota MR2

    2012 BMW 1 Series

    1974 Dodge Coronet

    1989 BMW 735i

    2007 Lexus LX470

    2001 BMW M3

    1988 Toyota Corolla

    1961 Volkswagen Beetle

    2016 MINI Countryman

    Vehicle
    Store
    Delete

    2004 Harley Davidson FLHT/I Electra Glide Standard

    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.