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4 Channel Amplifier

An amplifier is a device that takes an electrical signal and increases its strength by adding energy to the signal. It does this by increasing the amplitude of the signal. Amplifiers can be used for many applications, but most commonly in audio. Browse the top-ranked list of 4-channel amplifiers below along with associated reviews and opinions.

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  1. Pioneer - GM-DX874 - 4-Channel Class D Amplifier, 1200W Max, Hi-Res Certified, Bridgeable, Variable HPF/LPF, Wired Bass Remote - Black

    SKU: J3KVTTLVFW

    Great amp love my new stereo thank you Best Buy great installation great service...Love everything took awhile to get appt. works great....Best birthday gift ever

    Product Description

    A powerful black Class D amplifier delivering Hi-Res Audio with gold-plated RCA connections and flexible installation.
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    Your price for this item is $269.99
  2. Kenwood - 400W Class-D Bridgeable Multichannel Compact Amplifier with Variable Crossovers - Gray

    SKU: J72276S9XL

    Product Description

    A compact gray Class-D amplifier delivering 400W power with bridgeable channels and moisture-resistant protection.
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    Your price for this item is $169.99
    Save $30
    The previous price was $199.99
  3. Alpine - S-Series Class D Bridgeable Multichannel Amplifier with Variable Crossovers - Black

    SKU: J3XV8SKSGC

    Product Description

    A versatile black Class D amplifier offering bridgeable four-channel power and automatic overheating protection for your car.
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    Your price for this item is $299.99
  4. Alpine - 400W Class D Bridgeable Multichannel Amplifier with Built-In Crossover - Black

    SKU: J3XV89X695

    Great power...Fast and easy Installation love the power that came from it...Built well and does a great job for what it is. Catch it on sale for a great deal.

    Product Description

    A compact black Class D amplifier delivering 400W power with bridgeable channels and built-in crossover.
    See all Multi-Channel Amps
    Your price for this item is $299.99
  5. AudioControl - Altitude Series 600W 4-Channel Class D Amplifier - Gray

    SKU: J3R8WFFSLX

    Product Description

    A sleek gray Class D amplifier delivering 600W power with advanced MOSFETs and ParaBASS technology.
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    Your price for this item is $319.99
    Save $6
    The previous price was $325.99
  6. Alpine - 300W Class D Multichannel Amplifier - Black

    SKU: J3XV89X9LG

    Product Description

    A weather-resistant, black Class D amplifier with four channels and waterproof connectors for outdoor audio setups.
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    Your price for this item is $499.95
  7. Jensen - JAFOUR 4 Channel MOSFET Amplifier 125 Watts - Black/Gray

    SKU: J3P63W736S

    Product Description

    A sleek black/gray Class-D amplifier delivering 4-channel clean power with versatile crossovers and bass boost.
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    Your price for this item is $329.99
  8. NVX - NDA6004 600W RMS N-Series Class D 4-Channel Car Amplifier - Black

    SKU: J3GT43FCQZ

    Product Description

    A powerful black Class-D 4-channel amplifier delivering 1200W peak, advanced protection, and customizable sound controls.
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    Your price for this item is $159.99
  9. Blaupunkt - BPA404Mi 1000 Watt 4-Channel Amplifier

    SKU: J3R8ZPKXWZ

    Product Description

    A powerful 4-channel Class D amplifier delivering up to 1000 watts with high and low pass filters.
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    Your price for this item is $119.00
  10. Infinity - Primus 90041A Amplifier 4 Channel, 90W x 4 Amplifier - Black

    SKU: J7LG6L9YPP

    Product Description

    A black Class D 4-channel amplifier delivering 90W per channel for powerful, clear car audio.
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    Your price for this item is $249.95

FAQ

A 4 channel amplifier is typically used to power multiple speakers in a car or home audio system, allowing you to enjoy clear, dynamic sound from four separate channels.

Yes, you can bridge two channels of a 4 channel amplifier to power a subwoofer while using the remaining channels for other speakers, depending on the amplifier's specifications.

Most 4 channel amplifiers are compatible with a wide range of speakers, including component and coaxial speakers, as long as the speaker impedance and power handling match the amplifier's output.

Recommended accessories include an amplifier wiring kit, RCA cables, speaker wires, fuses, and mounting hardware to ensure a secure and high-quality installation.

While 4 channel amplifiers are most commonly used in car audio setups, some models can also be integrated into home audio systems with the appropriate connections and power supply.