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.

Soundstream TRA880.5 R/B

Tarantula Series 5-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

Tarantula Series 5-Channel Amplifier

5-Channel Amplifier • glass epoxy circuit board • cooling fan • PWM MOSFET power supply • LED indicator • adjustable sensitivity control • CEA-2006 compliant • muting circuit

5-Channel Amplifier • glass epoxy circuit board • cooling fan • PWM MOSFET power supply • LED indicator • adjustable sensitivity control • CEA-2006 compliant • muting circuit

Alpine MRX-F65

1300W 4-Channel X Power Series Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1300W 4-Channel X Power Series Car Amplifier

• RMS Power: 110W x 4-Chan. @ 4 ohm, 160W x 4-Chan. @ 2 ohm
• Bridged, 4 ohm: 320 watts x 4-Chan.
• Pulse Width Modulated MOSFET Power Supply

• RMS Power: 110W x 4-Chan. @ 4 ohm, 160W x 4-Chan. @ 2 ohm
• Bridged, 4 ohm: 320 watts x 4-Chan.
• Pulse Width Modulated MOSFET Power Supply

Go to item page Right Arrow Icon of Right Arrow

2 Channel Power Amplifier • 700W x 2 chan. @ 1 Ohm • 500 watts x 2 chan. @ 2 Ohm • Max Output Power: 2000W • High/Low Level RCA Input • Wired remote level control(included) • • • • • • •

2 Channel Power Amplifier • 700W x 2 chan. @ 1 Ohm • 500 watts x 2 chan. @ 2 Ohm • Max Output Power: 2000W • High/Low Level RCA Input • Wired remote level control(included) • • • • • • •

Soundstream RUB4.600 (Factory Refurbished)

600W RMS, 4-Channel Rubicon Amplifier (RUB4600)

Go to item page Right Arrow Icon of Right Arrow

600W RMS, 4-Channel Rubicon Amplifier (RUB4600)

Rubicon Series 4-Channel Class AB Car Amplifier • 100W x 4 Chan. @ 4 ohm • 150W x 4 Chan. @ 2 ohm • 600 Watts RMS • Selectable Bass Boost • Intelligent Distress Indicator • Infinitely Variable crossovers

Rubicon Series 4-Channel Class AB Car Amplifier • 100W x 4 Chan. @ 4 ohm • 150W x 4 Chan. @ 2 ohm • 600 Watts RMS • Selectable Bass Boost • Intelligent Distress Indicator • Infinitely Variable crossovers

Rockford Fosgate P600X4-REFURBISHED

600W Punch Series 4-Channel Stereo Class AB Car Power Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W Punch Series 4-Channel Stereo Class AB Car Power Amplifier

• 75W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• Built In NOMAD "Real Time" Analog Computer
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• MESHA3 Reduces MOSFET Temperatures for Improved Durability

• 75W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• Built In NOMAD "Real Time" Analog Computer
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• MESHA3 Reduces MOSFET Temperatures for Improved Durability

Crunch CR600.4

600W Max, Power One Series 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W Max, Power One Series 4-Channel Amplifier

Power One Series Car Amplifier • 4-Channel • Class AB • 300W x 2 Chan. Max • 150W x 2 Chan. @ 2 ohm • 75W x 4 Chan. @ 4 ohm • Tuned Bass EQ • Speaker-Level Inputs • Crossover Switch • LPF • HPF

Power One Series Car Amplifier • 4-Channel • Class AB • 300W x 2 Chan. Max • 150W x 2 Chan. @ 2 ohm • 75W x 4 Chan. @ 4 ohm • Tuned Bass EQ • Speaker-Level Inputs • Crossover Switch • LPF • HPF

Rockford Fosgate Punch PBR300X4 OPEN BOX COMPLETE

300 Watts Punch Series Boosted Rail Compact 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

300 Watts Punch Series Boosted Rail Compact 4-Channel Amplifier

Used, previously installed, scratched
• RMS 75 x 1 @ 4 ohm
• Features Rockford Fosgate's Class-BR Topology
• CEA-2006 Compliant
• Ultra Compact Chassis
• Boosted Rail Design
• Dimensions: 6.75"L x 4.25"W x 1.53"H

Used, previously installed, scratched
• RMS 75 x 1 @ 4 ohm
• Features Rockford Fosgate's Class-BR Topology
• CEA-2006 Compliant
• Ultra Compact Chassis
• Boosted Rail Design
• Dimensions: 6.75"L x 4.25"W x 1.53"H

Power Acoustik OV4-1600 R/B

1600W Max Gothic Series 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

1600W Max Gothic Series 4-Channel Amplifier

1600W Max, Gothic Series 4-Channel Amplifier • PWM MOSFET power supply • Chrome top plate with blue LED indicator • Tri-Mode capable • High/low-level inputs • S/N/ ratio: 98 dB • Frequency Response: 10 Hz - 30,000 Hz

1600W Max, Gothic Series 4-Channel Amplifier • PWM MOSFET power supply • Chrome top plate with blue LED indicator • Tri-Mode capable • High/low-level inputs • S/N/ ratio: 98 dB • Frequency Response: 10 Hz - 30,000 Hz

Cerwin-Vega HED3600.4

600W 4-Channel HED3 Series Class AB Car Power Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W 4-Channel HED3 Series Class AB Car Power Amplifier

• 40W x 4-Chan. @ 4 ohm
• 80W x 4-Chan. @ 2 ohm
• 160W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Illuminated Cerwin-Vega Badge

• 40W x 4-Chan. @ 4 ohm
• 80W x 4-Chan. @ 2 ohm
• 160W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Illuminated Cerwin-Vega Badge

Boss RGF1200

1200W Peak (900W RMS) Rage Series Class-A/B 4-Channel 2-Ohm Stable Bridgeable Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W Peak (900W RMS) Rage Series Class-A/B 4-Channel 2-Ohm Stable Bridgeable Amplifier

• 113 Watts RMS x 4 @ 4 ohm
• 225 Watts RMS x 4 @ 2 ohm
• 450 Watts RMS x 2 Bridged @ 4 ohm
• Total Peak Power: 1200 Watts
• Variable low-pass filter: 35 - 160 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Wired remote bass level control included
• Dimensions: 10"W x 12.7"L x 2"H

• 113 Watts RMS x 4 @ 4 ohm
• 225 Watts RMS x 4 @ 2 ohm
• 450 Watts RMS x 2 Bridged @ 4 ohm
• Total Peak Power: 1200 Watts
• Variable low-pass filter: 35 - 160 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Wired remote bass level control included
• Dimensions: 10"W x 12.7"L x 2"H

Kicker ZX650.4

650W RMS, ZX Series 4-Channel Amplifier with Bass Remote (06ZX650.4, 06ZX6504, ZX6504)

Go to item page Right Arrow Icon of Right Arrow

650W RMS, ZX Series 4-Channel Amplifier with Bass Remote (06ZX650.4, 06ZX6504, ZX6504)

4-Channel ZX-Series Power Amplifier • 170W RMS x 4 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

4-Channel ZX-Series Power Amplifier • 170W RMS x 4 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

Crunch DRA1450.4 (Factory Refurbished)

1400W V-Drive Series 4-Channel Car Audio Amplifier

Go to item page Right Arrow Icon of Right Arrow

1400W V-Drive Series 4-Channel Car Audio Amplifier

• 1400 Watts Max
• 350 Watts x 4-Chan. @ 2 Ohm
• 3-Way System Protection
• Selectable Highpass/Lowpass Filters

• 1400 Watts Max
• 350 Watts x 4-Chan. @ 2 Ohm
• 3-Way System Protection
• Selectable Highpass/Lowpass Filters

Power Acoustik SL4-680 R/B

680W Max, 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

680W Max, 4-Channel Amplifier

680W Max 4-Channel Amplifier • 70W x 4 chan. @ 4 Ohm • 85W x 4 chan. @ 2 Ohm • PWM MOSFET power supply • protection circuitry • RCA input/output • dual color indicator LED • phantom channel

680W Max 4-Channel Amplifier • 70W x 4 chan. @ 4 Ohm • 85W x 4 chan. @ 2 Ohm • PWM MOSFET power supply • protection circuitry • RCA input/output • dual color indicator LED • phantom channel

Power Acoustik OVN4-1600 R/B (OVN4-1600)

1600W Max, 4-Channel Gothic Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

1600W Max, 4-Channel Gothic Series Amplifier

• Gothic Series 4-Channel Car Amplifier
• 150W x 4 Chan. @ 4 Ohm
• 180W x 4 Chan. @ 2 Ohm
• Bridged 360W x 2 Chan. @ 4 Ohm
• Pulse Width Modulation Circuitry
• Tri-Mode Capable
• LED Power Indicators
• Level Inputs

• Gothic Series 4-Channel Car Amplifier
• 150W x 4 Chan. @ 4 Ohm
• 180W x 4 Chan. @ 2 Ohm
• Bridged 360W x 2 Chan. @ 4 Ohm
• Pulse Width Modulation Circuitry
• Tri-Mode Capable
• LED Power Indicators
• Level Inputs

VIBE Audio Black Box Stereo 4 V1 (BlackBS4-V1) R/B

1000W Max Black Box Series 4-Channel Stereo Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W Max Black Box Series 4-Channel Stereo Amplifier

Black Box Series 4-Channel Class A/B Car Amplifier • 125W x 4 Chan @ 2 Ohm • 100W x 4 Chan @ 4 Ohm • Selectable Bass Boost • Speaker-Level Inputs • Preamp RCA Outputs • Variable High-Pass and Low-Pass Filters

Black Box Series 4-Channel Class A/B Car Amplifier • 125W x 4 Chan @ 2 Ohm • 100W x 4 Chan @ 4 Ohm • Selectable Bass Boost • Speaker-Level Inputs • Preamp RCA Outputs • Variable 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

Go to item page Right Arrow Icon of Right Arrow

5-Channel KX-Series Power Amplifier • 80W RMS x 4 @ 2 + 420W RMS x 1 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

5-Channel KX-Series Power Amplifier • 80W RMS x 4 @ 2 + 420W RMS x 1 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

Pioneer GM-D8604-OPEN BOX

600W Class FD 4-Channel GM Digital Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W Class FD 4-Channel GM Digital Series Amplifier

• 100W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• 125W x 4-Chan. @ 1 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 4 Gauge Power and Ground Inputs
• High Power Capability with Small Size

• 100W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• 125W x 4-Chan. @ 1 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 4 Gauge Power and Ground Inputs
• High Power Capability with Small Size

Hifonics TXi 4408

440W RMS, 4-Channel Titan TXi Series Amplifier (TXi4408)

Go to item page Right Arrow Icon of Right Arrow

440W RMS, 4-Channel Titan TXi Series Amplifier (TXi4408)

4-Channel Class AB Car Amplifier • 55W x 4 chan. @ 4 ohm • 110W x 4 chan. @ 2 ohm • 220W x 2 chan. Max • MOSFET EXVP power supply • Variable bass boost: 10dB bass equalization • SPC Twin turbo toroids • 2/3/4-Channel operation

4-Channel Class AB Car Amplifier • 55W x 4 chan. @ 4 ohm • 110W x 4 chan. @ 2 ohm • 220W x 2 chan. Max • MOSFET EXVP power supply • Variable bass boost: 10dB bass equalization • SPC Twin turbo toroids • 2/3/4-Channel operation

Cerwin-Vega Vega V400.4

4-Channel Amplifier (Vega 400.4)

Go to item page Right Arrow Icon of Right Arrow

4-Channel Amplifier (Vega 400.4)

Vega Series 4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 100W x 4 chan. @ 2 ohm • 200W x 2 chan. @ 4 ohm bridged • Pulse with modulated (PWM) MOSFET Power supply • Tuned Bass EQ (0-12 dB bass boost at 45 Hz)

Vega Series 4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 100W x 4 chan. @ 2 ohm • 200W x 2 chan. @ 4 ohm bridged • Pulse with modulated (PWM) MOSFET Power supply • Tuned Bass EQ (0-12 dB bass boost at 45 Hz)

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

    1991 Buick Skylark

    2016 Kia Forte

    1990 GMC G2500

    2010 BMW M5

    2004 Chevrolet SSR

    2010 Honda Pilot

    2001 Chevrolet Venture

    2022 Genesis G90

    2013 BMW 335i

    2007 Chevrolet TrailBlazer

    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.