Garage
Shop

Discontinued 4-Channel Amplifiers

Loading...
Filters
You Recently Chose:

We are sorry, no available results!

Shop the Category

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

Soundstream RSM4.1200D

1200W Peak (440W RMS) Class D Reserve Series 4-Channel Micro Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W Peak (440W RMS) Class D Reserve Series 4-Channel Micro Car Amplifier

• 75 watts x 4 channel @ 4 ohm
• 110 watts x 4 channel @ 2 ohm
• Bridged: 220 watts x 2 channel @ 4 ohm
• Total RMS Power: 220 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

VIP Star Icon

VIP Product Get $16.00 in rewards to spend later

• 75 watts x 4 channel @ 4 ohm
• 110 watts x 4 channel @ 2 ohm
• Bridged: 220 watts x 2 channel @ 4 ohm
• Total RMS Power: 220 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

Sony MEX-XB100BT OPEN BOX INCOMPLETE

Single DIN Hi-Power Bluetooth In-Dash CD/AM/FM/SiriusXM Ready Receiver with 160W RMS (CEA Rated Power) built-in 4-channel Amplifier!!!

Go to item page Right Arrow Icon of Right Arrow

Single DIN Hi-Power Bluetooth In-Dash CD/AM/FM/SiriusXM Ready Receiver with 160W RMS (CEA Rated Power) built-in 4-channel Amplifier!!!

Installed, Wires cut, Missing Beauty Box
• In-Dash Receiver with built-in 4-channel Amplifier
• Built-In Bluetooth with NFC
• Intelligent Mega Bass
• 10-Band Equalizer
• 3 Sets of 5V Preamp Outputs
• 100W x 4 Chan. MAX, 40W x 4 Chan. RMS

Installed, Wires cut, Missing Beauty Box
• In-Dash Receiver with built-in 4-channel Amplifier
• Built-In Bluetooth with NFC
• Intelligent Mega Bass
• 10-Band Equalizer
• 3 Sets of 5V Preamp Outputs
• 100W x 4 Chan. MAX, 40W x 4 Chan. RMS

Hifonics ZRX2000.4 OPEN BOX COMPLETE

2000W 4-Channel Class A/B Zeus Series Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

2000W 4-Channel Class A/B Zeus Series Car Amplifier

• 4 ohm: 250 watts x 4-Chan.
• 500 watts x 4-Chan.
• Bridged, 4 ohm: 1000 watts x 2 chan.
• Pulse Width Modulated MOSFET power supply

• 4 ohm: 250 watts x 4-Chan.
• 500 watts x 4-Chan.
• Bridged, 4 ohm: 1000 watts x 2 chan.
• Pulse Width Modulated MOSFET power supply

Orion XTR2000.4 (FACTORY REFURBISHED)

4000W 4-Channel XTR Series A/B Stereo Amplifier

Go to item page Right Arrow Icon of Right Arrow

4000W 4-Channel XTR Series A/B Stereo Amplifier

• 300W x 4-Chan. @ 4 ohm
• 500W x 4-Chan. @ 2 ohm
• 4-Channel Operation
• Soft Turn-On/Turn-Off

• 300W x 4-Chan. @ 4 ohm
• 500W x 4-Chan. @ 2 ohm
• 4-Channel Operation
• Soft Turn-On/Turn-Off

Boss CX600 R/B

800W Max 4-Channel Chaos Exxtreme Series Amplifier (CX-600)

Go to item page Right Arrow Icon of Right Arrow

800W Max 4-Channel Chaos Exxtreme Series Amplifier (CX-600)

Chaos Exxtreme 4-Channel Class AB Car Amplifier • 75W x 4 chan. @ 4 ohm • 200W x 4 chan Max • Speaker-level inputs with soft turn-on • Thermal and short circuit protection circuitry

Chaos Exxtreme 4-Channel Class AB Car Amplifier • 75W x 4 chan. @ 4 ohm • 200W x 4 chan Max • Speaker-level inputs with soft turn-on • Thermal and short circuit protection circuitry

RE Audio BT900.4 OPEN BOX COMPLETE

480W RMS 4-Channel BT Series Class AB Bluetooth Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

480W RMS 4-Channel BT Series Class AB Bluetooth Car Amplifier

Item has been Installed and Used
• RMS Power: 80W x 4 @ 4 ohm, 120W x 4 @ 2 ohm
• Built-In Bluetooth Allows for Direct Access to Your Sound System
• Variable High and Low Pass Filters
• Dimensions: 7.4" W x 12.6" L x 2.2" H

Item has been Installed and Used
• RMS Power: 80W x 4 @ 4 ohm, 120W x 4 @ 2 ohm
• Built-In Bluetooth Allows for Direct Access to Your Sound System
• Variable High and Low Pass Filters
• Dimensions: 7.4" W x 12.6" L x 2.2" H

MB Quart Q4.150 Open Box

(Open Box) 880W RMS Q-Series 4-Channel Amplifier (Q4150)

Go to item page Right Arrow Icon of Right Arrow

(Open Box) 880W RMS Q-Series 4-Channel Amplifier (Q4150)

Q Series 4-Channel Amplifier • 150W x 4 Chan @ 4 Ohm • 220W x 4 Chan @ 2 Ohm • PWM MOSFET Power Supply • Full Feature Crossover Design • Clipping Control with LED Indicator • Frequency Multiplier • Multi-Channel Configuration • Built-In System Diagnostics

Q Series 4-Channel Amplifier • 150W x 4 Chan @ 4 Ohm • 220W x 4 Chan @ 2 Ohm • PWM MOSFET Power Supply • Full Feature Crossover Design • Clipping Control with LED Indicator • Frequency Multiplier • Multi-Channel Configuration • Built-In System Diagnostics

Memphis Belle 16-MCH1300 Factory R/B

Factory Refurbished, MCH1300 5-Channel MClass Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

Factory Refurbished, MCH1300 5-Channel MClass Series Amplifier

5-Channel Memphis Belle Hybrid Amplifier • 75W RMS x 4 + 300W x 1 @ 4 • 115W RMS x 4 + 400W x 1 @ 2 • 1 Ohm Stable Subwoofer Channel: 1100W RMS x 1 • Adjustable Input Sensitivity • Compact Aluminum Chassis with Black Pearl Finish • Built-in Crossover • Full MOSFET Design

5-Channel Memphis Belle Hybrid Amplifier • 75W RMS x 4 + 300W x 1 @ 4 • 115W RMS x 4 + 400W x 1 @ 2 • 1 Ohm Stable Subwoofer Channel: 1100W RMS x 1 • Adjustable Input Sensitivity • Compact Aluminum Chassis with Black Pearl Finish • Built-in Crossover • Full MOSFET Design

Hifonics ZX8000 R/B

Refurbished with full 1-year warranty. 740W, Zeus Series 5-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

Refurbished with full 1-year warranty. 740W, Zeus Series 5-Channel Amplifier

5 Channel power amplifier • 55W RMS x 4 + 200W RMS x 1 at 4 ohm • 110W RMS x 4 + 300W RMS x 1 at 2 ohm • Bass Remote Included • 2 ohm stereo stable • 4 ohm bridged stable

5 Channel power amplifier • 55W RMS x 4 + 200W RMS x 1 at 4 ohm • 110W RMS x 4 + 300W RMS x 1 at 2 ohm • Bass Remote Included • 2 ohm stereo stable • 4 ohm bridged stable

ARC Audio 4150-XXK R/B

FACTORY REFURBISHED

Go to item page Right Arrow Icon of Right Arrow

FACTORY REFURBISHED

80 watts x 4 @ 4 ohm, 160 watts x 4 @ 2 ohm, 320 watts x 2 @4 ohm bridged • Frequency Response: 20Hz - 20KHz • Signal to Noise Ratio: 105dB

80 watts x 4 @ 4 ohm, 160 watts x 4 @ 2 ohm, 320 watts x 2 @4 ohm bridged • Frequency Response: 20Hz - 20KHz • Signal to Noise Ratio: 105dB

Diamond Audio D6600.4 Open Box

600W 4-Channel Reference Series Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W 4-Channel Reference Series Car Amplifier

600W 4-Channel Reference Series Car Amplifier • 4 ohm: 75 watts x 4 chan. • 2 ohm: 150 watts x 4 chan. • Bridged, 4 ohm: 300 watts x 2 chan. • Pulse Width Modulated MOSFET Power Supply • 4/3/2 Channel Operation

600W 4-Channel Reference Series Car Amplifier • 4 ohm: 75 watts x 4 chan. • 2 ohm: 150 watts x 4 chan. • Bridged, 4 ohm: 300 watts x 2 chan. • Pulse Width Modulated MOSFET Power Supply • 4/3/2 Channel Operation

Crunch PX-1000.4 1000 Watt 4 Ch. Powerful Car Audio Amplifier+Amp Wire Kit

Crunch PX-1000.4 1000 Watt 4 Ch. Powerful Car Audio Amplifier+Amp Wire Kit

Go to item page Right Arrow Icon of Right Arrow

Crunch PX-1000.4 1000 Watt 4 Ch. Powerful Car Audio Amplifier+Amp Wire Kit

• 125 Watts x 4 @ 4 ohm
• 250 Watts x 4 @ 2 ohm
• 500 Watts x 2 Bridged @ 4 ohm
• Total Peak Power: 1000 Watts
• Speaker-level (high-level) inputs
• Variable high-pass filter: 120 - 3000 Hz
• Variable low-pass filter: 50 - 250 Hz
• Variable Bass Boost: 0 to +12 dB bass boost

• 125 Watts x 4 @ 4 ohm
• 250 Watts x 4 @ 2 ohm
• 500 Watts x 2 Bridged @ 4 ohm
• Total Peak Power: 1000 Watts
• Speaker-level (high-level) inputs
• Variable high-pass filter: 120 - 3000 Hz
• Variable low-pass filter: 50 - 250 Hz
• Variable Bass Boost: 0 to +12 dB bass boost

Rockford Fosgate P500-4 Open Box

500W RMS Punch Series 4-Channel Amplifier (P5004)

Go to item page Right Arrow Icon of Right Arrow

500W RMS Punch Series 4-Channel Amplifier (P5004)

Punch Series 4-Channel Class AB Car Amplifier • 60 watts x 4 chan @ 4 Ohm • 125 watts x 2 chan @ 2 Ohm • MOSFET Power Supply • Cast Aluminum Heatsink • 4/2 Channel Operation • Nickel-Plated Screw Terminals and RCA Level Inputs • Frequency response: 20-20,000 Hz

Punch Series 4-Channel Class AB Car Amplifier • 60 watts x 4 chan @ 4 Ohm • 125 watts x 2 chan @ 2 Ohm • MOSFET Power Supply • Cast Aluminum Heatsink • 4/2 Channel Operation • Nickel-Plated Screw Terminals and RCA Level Inputs • Frequency response: 20-20,000 Hz

Crunch GPA2000.4 (OPEN BOX COMPLETED)

2000W 4-Channel Ground Pounder Series A/B Class Amplifier

Go to item page Right Arrow Icon of Right Arrow

2000W 4-Channel Ground Pounder Series A/B Class Amplifier

• RMS Power: 250W x 4 @ 4 ohm, 500W x 4 @ 2 ohm, 1000 x 2 @ 4 ohm Mono Bridged
• Total Peak Power: 2000W
• Variable Bass Boost
• Speaker Level Inputs
• 9.05"W x 13.93"L x 2.29"H

• RMS Power: 250W x 4 @ 4 ohm, 500W x 4 @ 2 ohm, 1000 x 2 @ 4 ohm Mono Bridged
• Total Peak Power: 2000W
• Variable Bass Boost
• Speaker Level Inputs
• 9.05"W x 13.93"L x 2.29"H

Pioneer GM-A4604 OPEN BOX COMPLETE

240W RMS 4-Channel GM Series Bridgeable Class AB Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

240W RMS 4-Channel GM Series Bridgeable Class AB Car Amplifier

Product has Screw marks

  • Item Condition: Open Box Complete
  • • RMS: 40W x 4 @ 4 ohm, 60W x 4 @ 2 ohm, 120W x 2 @ 4 ohm
    • Total Peak Power: 240W
    • CEA-2006 Compliant
    • Dimensions: 12-1/2"W x 8-1/2"L x 2-3/8"H

    Product has Screw marks

  • Item Condition: Open Box Complete
  • • RMS: 40W x 4 @ 4 ohm, 60W x 4 @ 2 ohm, 120W x 2 @ 4 ohm
    • Total Peak Power: 240W
    • CEA-2006 Compliant
    • Dimensions: 12-1/2"W x 8-1/2"L x 2-3/8"H

    Alpine MRV-F300

    300W 4-Channel Class D V-Power Series Compact Car Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    300W 4-Channel Class D V-Power Series Compact Car Amplifier

    • RMS Power: 50W x 4-Chan. @ 4 ohm, 75W x 4-Chan. @ 2 ohm
    • 3-Way System Protection
    • 4/3/2/1 Channel Operation
    • 8 Gauge Power and Ground Inputs
    • Same Power in a 40% Smaller Chassis

    VIP Star Icon

    VIP Product Get $19.00 in rewards to spend later

    • RMS Power: 50W x 4-Chan. @ 4 ohm, 75W x 4-Chan. @ 2 ohm
    • 3-Way System Protection
    • 4/3/2/1 Channel Operation
    • 8 Gauge Power and Ground Inputs
    • Same Power in a 40% Smaller Chassis

    Rockford Fosgate POWER-1000 R/B

    1400W RMS, '25 to LIFE' Special Edition Staggered 5-Channel Amplifier w/ Class D 5th Sub Channel

    Go to item page Right Arrow Icon of Right Arrow

    1400W RMS, '25 to LIFE' Special Edition Staggered 5-Channel Amplifier w/ Class D 5th Sub Channel

    1400W Total RMS Power, '25 to LIFE' Special Edition Staggered 5-Channel Amplifier • 24 dB/Octave Linkwitz-Reilly Crossover Alignment • 1400W Total RMS Power output at 1 ohm • 1000W Total RMS Power Output • Bass remote included

    1400W Total RMS Power, '25 to LIFE' Special Edition Staggered 5-Channel Amplifier • 24 dB/Octave Linkwitz-Reilly Crossover Alignment • 1400W Total RMS Power output at 1 ohm • 1000W Total RMS Power Output • Bass remote included

    SoundStorm (SSL) EV4.1600- OPEN BOX

    1600W Max, Evolution Series 4-Channel Power Amplifier with Remote Level Control

    Go to item page Right Arrow Icon of Right Arrow

    1600W Max, Evolution Series 4-Channel Power Amplifier with Remote Level Control

    • 180W x 4 Chan. @ 4 Ohm
    • 400W x 4 Chan. @ 2 Ohm
    • 1600W Max Bridged
    • Soft Turn-On Circuit
    • Nickel-Plated Terminals
    • Variable Bass EQ

    • 180W x 4 Chan. @ 4 Ohm
    • 400W x 4 Chan. @ 2 Ohm
    • 1600W Max Bridged
    • Soft Turn-On Circuit
    • Nickel-Plated Terminals
    • Variable Bass EQ

    EXCLUSIVE

    JL Audio + Alpine Amplified 4-Ch. System w/ 5x7"/6x8" Speakers

    JL Audio C5-570 5x7"/6x8" 2-Way Coaxial Speakesr + Alpine PDX-F4 4-Channel Class D Amplifier + NVX Amp Kit

    Go to item page Right Arrow Icon of Right Arrow

    JL Audio C5-570 5x7"/6x8" 2-Way Coaxial Speakesr + Alpine PDX-F4 4-Channel Class D Amplifier + NVX Amp Kit

    • RMS Power: 100W x 4-Chan. @ 4 ohm
    • Mineral Filled Polypropylene Cone
    • Butyl Rubber Surround
    • Silk Dome Tweeter
    • Cast Alloy Frame
    • Elevated Frame Cooling
    • 400 Watts RMS
    • Variable High-Pass and Low-Pass Filter
    • Blue LED Power/Status Indicator
    • Compact Size

    • RMS Power: 100W x 4-Chan. @ 4 ohm
    • Mineral Filled Polypropylene Cone
    • Butyl Rubber Surround
    • Silk Dome Tweeter
    • Cast Alloy Frame
    • Elevated Frame Cooling
    • 400 Watts RMS
    • Variable High-Pass and Low-Pass Filter
    • Blue LED Power/Status Indicator
    • Compact Size

    VIBE Audio Black Box STEREO4 R/B

    1400W Max Black Box 4-Channel Car Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    1400W Max Black Box 4-Channel Car Amplifier

    Black Box 4-Channel Car Amplifier • 1400W Max • 175W x 4-Chan. @ 2 Ohm • 110W x 4-Chan. @ 4 Ohm • Speaker-level inputs • Variable high/low-pass filters • Illuminated Blackbox Logo

    Black Box 4-Channel Car Amplifier • 1400W Max • 175W x 4-Chan. @ 2 Ohm • 110W x 4-Chan. @ 4 Ohm • Speaker-level inputs • Variable high/low-pass filters • Illuminated Blackbox Logo

    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

      2008 Lexus IS250

      1988 Dodge 600

      1975 Ford Granada

      2003 Volvo V70

      2002 Audi TT Quattro

      2023 Subaru BRZ

      2000 Honda Insight

      2017 Audi A8 Quattro

      1992 Mazda B Series

      2016 Dodge Ram ProMaster 1500

      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.