Garage
Shop

Discontinued 4-Channel Amplifiers

Loading...

Shop the Category

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

4-Channel Viberant Series Bridgeable Amplifier • 800W Max / 400W RMS @ 4 ohm • 700W RMS @ 2 Ohm Stable

4-Channel Viberant Series Bridgeable Amplifier • 800W Max / 400W RMS @ 4 ohm • 700W RMS @ 2 Ohm Stable

Go to item page Right Arrow Icon of Right Arrow

400W Peak / 200W RMS x 4 Channel Viberant Series Amplifier • Electronic Crossover Network • gold RCA inputs • bass boost circuit • 2 ohm stable • Tri-Mode Capable • Dual VU Meter

400W Peak / 200W RMS x 4 Channel Viberant Series Amplifier • Electronic Crossover Network • gold RCA inputs • bass boost circuit • 2 ohm stable • Tri-Mode Capable • Dual VU Meter

Go to item page Right Arrow Icon of Right Arrow

800W 4 channel Power Series Amplifier • 200W x 4 channel power output • fan cooling system • chrome finish with clear top-view panel • adjustable Hi/Lo electronic crossover network • variable bass boost • remote turn on/off • soft turn on circuitry • Hi l

800W 4 channel Power Series Amplifier • 200W x 4 channel power output • fan cooling system • chrome finish with clear top-view panel • adjustable Hi/Lo electronic crossover network • variable bass boost • remote turn on/off • soft turn on circuitry • Hi l

Go to item page Right Arrow Icon of Right Arrow

250 watts x 4 RMS Eternal Series Power Amplifer • 500 watts x 2 bridged • Gold Plated RCA • Inputs Thermal, Overload, Short Circuit Protection

250 watts x 4 RMS Eternal Series Power Amplifer • 500 watts x 2 bridged • Gold Plated RCA • Inputs Thermal, Overload, Short Circuit Protection

Go to item page Right Arrow Icon of Right Arrow

1000W 4 channel Power Series Amplifier • 250W x 4 channel power output • fan cooling system • chrome finish with clear top-view panel • dual adjustable Hi/Lo electronic crossover network • dual variable bass boost • remote turn on/off • soft turn on circu

1000W 4 channel Power Series Amplifier • 250W x 4 channel power output • fan cooling system • chrome finish with clear top-view panel • dual adjustable Hi/Lo electronic crossover network • dual variable bass boost • remote turn on/off • soft turn on circu

Go to item page Right Arrow Icon of Right Arrow

450W Peak / 225W RMS x 4 Channel Vibe Pro Series Amplifier • Electronic Crossover Network • gold RCA inputs • bass boost controls • 2 ohm stable • MOSFET Power Supply • Soft Turn On/Off

450W Peak / 225W RMS x 4 Channel Vibe Pro Series Amplifier • Electronic Crossover Network • gold RCA inputs • bass boost controls • 2 ohm stable • MOSFET Power Supply • Soft Turn On/Off

Go to item page Right Arrow Icon of Right Arrow

40W x 4 Cassette Receiver with detachable face, CD changer controls...

40W x 4 Cassette Receiver with detachable face, CD changer controls...

Go to item page Right Arrow Icon of Right Arrow

CD-R/W playback • fold-down detachable face • 45W x 4 High Power • Supertuner III • Easy EQ • Front Image Enhancer

CD-R/W playback • fold-down detachable face • 45W x 4 High Power • Supertuner III • Easy EQ • Front Image Enhancer

Go to item page Right Arrow Icon of Right Arrow

1400W 5 channel Blue Wave Series Amplifier • 250W x 4 (+ 400W x 1) power output • dual variable high/lo electronic crossover • dual variable bass boost • remote turn on/off • preamp outputs • power LED indicator • LED protection indicator • MOSFET power s

1400W 5 channel Blue Wave Series Amplifier • 250W x 4 (+ 400W x 1) power output • dual variable high/lo electronic crossover • dual variable bass boost • remote turn on/off • preamp outputs • power LED indicator • LED protection indicator • MOSFET power s

Go to item page Right Arrow Icon of Right Arrow

4 Channel Amplifier • Description Coming Soon!

4 Channel Amplifier • Description Coming Soon!

Go to item page Right Arrow Icon of Right Arrow

1600W Bridgeable 4-channel amplifier • Remote subwoofer control • 18dB Bass Boost • Variable high and low pass crossovers

1600W Bridgeable 4-channel amplifier • Remote subwoofer control • 18dB Bass Boost • Variable high and low pass crossovers

Go to item page Right Arrow Icon of Right Arrow

1000W 6 Channel Vibe Pro Series Amplifier • Electronic Crossover Network • gold RCA inputs • bass boost controls • 2 ohm stable • MOSFET Power Supply • Soft Turn On/Off • phase controls

1000W 6 Channel Vibe Pro Series Amplifier • Electronic Crossover Network • gold RCA inputs • bass boost controls • 2 ohm stable • MOSFET Power Supply • Soft Turn On/Off • phase controls

Go to item page Right Arrow Icon of Right Arrow

1200 watts, 5-Channel RIOT Series amplifier • Bass Boost • Bridgeable • Remote sub level control • 4-channels for your mids/highs, 1-mono channel for your sub(s)

1200 watts, 5-Channel RIOT Series amplifier • Bass Boost • Bridgeable • Remote sub level control • 4-channels for your mids/highs, 1-mono channel for your sub(s)

Go to item page Right Arrow Icon of Right Arrow

1400W 4 channel Power Series Amplifier • 350W x 4 channel power output • fan cooling system • chrome finish with clear top-view panel • dual adjustable Hi/Lo electronic crossover network • dual variable bass boost • remote turn on/off • soft turn on circu

1400W 4 channel Power Series Amplifier • 350W x 4 channel power output • fan cooling system • chrome finish with clear top-view panel • dual adjustable Hi/Lo electronic crossover network • dual variable bass boost • remote turn on/off • soft turn on circu

Go to item page Right Arrow Icon of Right Arrow

50W x 4 MOSFET, Detachable Face, EEQ, MOSFET50, XM Ready, SFEQ, CD Changer Control and Slim Remote

50W x 4 MOSFET, Detachable Face, EEQ, MOSFET50, XM Ready, SFEQ, CD Changer Control and Slim Remote

Go to item page Right Arrow Icon of Right Arrow

45W x 4, Detachable Face, CD Changer Control

45W x 4, Detachable Face, CD Changer Control

Go to item page Right Arrow Icon of Right Arrow

75W RMS x 4 at 4 ohm • 300W RMS x 2 in bridged mode • 150W RMS x 4 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm mono stable • Remote Gain Control

75W RMS x 4 at 4 ohm • 300W RMS x 2 in bridged mode • 150W RMS x 4 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm mono stable • Remote Gain Control

Go to item page Right Arrow Icon of Right Arrow

Detachable full flap face • 45W x 4 Power Output • wireless remote control • Alphatuner V

Detachable full flap face • 45W x 4 Power Output • wireless remote control • Alphatuner V

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

    2011 Hyundai Elantra

    2012 Nissan NV

    2001 BMW 750iL

    2023 BMW X3

    2023 Buick Envision

    2018 Audi RS5

    2002 Chevrolet Blazer

    2024 Audi A6

    2012 Subaru Impreza WRX

    2020 Mitsubishi Eclipse Cross

    Vehicle
    Store
    Delete

    2024 Can-Am Defender MAX

    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.