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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. KICKER - CX 360W Class AB Bridgeable Multichannel Amplifier with Variable Crossovers - Black

    SKU: JXHZRTJZP4

    This is why i love best buy! Best product prices and customer service!...Great sound & best amp I ever purchased would recommend to friends

    Product Description

    A black, bridgeable four-channel amplifier with variable crossovers and high-efficiency heat sinks for clear sound.
    See all Multi-Channel Amps
    Your price for this item is $229.99
  2. KICKER - KEY 200W Multichannel Amplifier with High-Pass Crossover - Black

    SKU: JXHZRTJ4JV

    Best Buy is the Best Place to buy...I love my product. I love the store. Too many great employees that have great customer service....Great amp...Love it, great little amplifier fantastic sound !!!

    Product Description

    A powerful black four-channel amplifier delivering 200W with high-pass crossover and advanced acoustic correction technology.
    See all Multi-Channel Amps
    Your price for this item is $299.99
  3. VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 420W @ 4 Ohm / 4 x 600W - Sandblasted Black

    SKU: JJGHKZV74W

    Great amp

    Product Description

    A sandblasted black Class D amplifier with four bridgeable channels delivers powerful, clear audio and efficient cooling.
    See all Multi-Channel Amps
    Your price for this item is $95.90
  4. VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 120W @ 4 Ohm / 4 x 200W - Titanium Gray

    SKU: JJGHKZV7F6

    Product Description

    A titanium gray Class D amplifier with four bridgeable channels, fast-cooling aluminum body, and low distortion.
    See all Multi-Channel Amps
    Your price for this item is $64.99
  5. VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 110W @ 4 Ohm / 4 x 160W - Titanium Gray

    SKU: JJGHKZV74J

    Product Description

    A titanium gray Class D amplifier with four bridgeable channels, fast-cooling aluminum body, and low distortion.
    See all Multi-Channel Amps
    Your price for this item is $58.90
  6. VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 500W @ 4 Ohm / 4 x 1000W - Sandblasted Black

    SKU: JJGHKZV757

    Product Description

    A sandblasted black, 4-channel Class D car amplifier with bridgeable channels and fast-cooling aluminum body.
    See all Multi-Channel Amps
    Your price for this item is $104.90
    Save $27
    The previous price was $131.99
  7. VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class A/B Full Range Amp Max Power 4 x 200W @ 4 Ohm / 4 x 400W - Titanium Gray

    SKU: JJGHKZV75G

    Product Description

    A titanium gray, 4-channel Class A/B car amplifier with bridgeable channels and a fast-cooling aluminum body.
    See all Multi-Channel Amps
    Your price for this item is $62.90
    Save $16
    The previous price was $78.99
  8. VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 272W @ 4 Ohm / 4 x 400W - Titanium Gray

    SKU: JJGHKZV75V

    Product Description

    A titanium gray Class D amplifier with four bridgeable channels, fast-cooling aluminum body, and low distortion.
    See all Multi-Channel Amps
    Your price for this item is $70.90
  9. VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class A/B Full Range Amp Max Power 4 x 250W @ 4 Ohm / 4 x 500W - Brushed Black

    SKU: JJGHKZV7ZZ

    Product Description

    A brushed black, 4-channel Class A/B amplifier with bridgeable channels and fast-cooling aluminum construction for clear audio.
    See all Multi-Channel Amps
    Your price for this item is $71.90
    Save $18
    The previous price was $89.99
  10. Bowers & Wilkins - CDA-4D 125W 4-Channel DSP Amplifier - Black

    SKU: JXT7VJQWVL

    Product Description

    A sleek black Class D amplifier with DSP, dual zone audio, and versatile analog and digital connectivity.
    See all Power Amplifiers
    Your price for this item is $2,000.00

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.