10 Best 4 Channel Amplifiers For Car Audio 2025 in the US

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1 Our Pick
Taramps TS 400×4 400W RMS 4-Channel Full Range Car Amplifier
  • 400 watts RMS output power for optimal audio performance.
  • 4 channel amplifier with 2 bridged channel capability.
  • Class D technology for efficient power usage and compact size.
  • RCA input for easy integration with car audio systems.
  • Designed for full-range audio to enhance car sound quality.
  • Small form factor allows for easy installation in various vehicles.
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2
Rockford Fosgate R2-500X4 Prime 500W 4-Channel Amplifier
  • Delivers powerful audio performance with 500 watts output.
  • Designed for versatility with 4-channel amplification.
  • High-quality sound with low distortion and clarity.
  • Compact design suitable for various car audio setups.
  • Efficient cooling with built-in protection circuits.
  • Reputable brand known for automotive audio excellence.
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3
Rockford Fosgate Punch PBR400X4D 400W 4-Channel Amplifier Compact Design
  • Delivers 400 watts of power across four channels for robust audio performance.
  • Compact chassis design allows for flexible installation options in tight spaces.
  • Full-range amplifier suitable for various audio applications, enhancing sound quality.
  • Rockford Fosgate name ensures high-quality and reliability in audio products.
  • 9.8 score indicates excellent customer satisfaction and performance ratings.
  • Easily accessible on Amazon for hassle-free purchasing experience.
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4
Alpine S-A32F S-Series Class D 4-Channel Amplifier for Enhanced Audio Performance
  • High-efficiency Class D design for improved power management.
  • 4-channel amplification optimizes audio output in vehicles.
  • Compact size allows for flexible installation options.
  • Offers a high score of 49.6 for overall performance quality.
  • Designed by Alpine, a trusted name in car audio equipment.
  • Available for purchase on Amazon with excellent customer reviews.
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5
DS18 SXE-1200.4/RD Class A/B 4-Channel Car Amplifier – 1200 Watts Power
  • Full-range Class A/B amplifier delivers high-quality audio.
  • 4-channel setup provides 60×4 RMS power at 4 ohms.
  • Compact design suitable for various car audio systems.
  • Total output power of up to 1200 watts enhances audio performance.
  • Ideal for powering speakers with impressive sound clarity.
  • Designed for easy installation in a car audio setup.
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6
Pioneer GM-DX874 1,200W Class D 4-Channel Amplifier with Bass Control
  • Delivers powerful 1,200 watts of sound output for enhanced audio experience.
  • Class D amplifier technology ensures efficiency and high performance.
  • Four-channel configuration allows flexible speaker connections and sound setup.
  • Includes a variable low-pass filter for tailored audio tuning and clarity.
  • Compact design enables easy installation in tight spaces within your vehicle.
  • Features remote bass boost control for adjusting bass levels on the go.
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7
Blaupunkt 1500W 4-Channel Full-Range Amplifier with High Performance
  • High power output of 1500W for exceptional sound quality and performance.
  • 4-channel design allows for versatile speaker configurations and setups.
  • Full-range capability ensures a wide frequency response for vibrant audio.
  • Compact design suitable for various installation spaces in vehicles.
  • Features a robust build quality promising durability and reliability.
  • Highly rated with a score of 9.1, reflecting customer satisfaction.
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8
Rockford Fosgate TM400X4ad Power Marine 400W Class-ad 4-Channel Amplifier
  • Powerful 400 watt output for premium marine sound experience.
  • Class-ad design ensures efficient performance and sound quality.
  • Four channels for versatile installation and setup flexibility.
  • Built to withstand harsh marine environments for durability.
  • High-level inputs allow seamless integration with factory systems.
  • Compact design facilitates easy installation in tight spaces.
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9
Kicker 46CXA3604 – 4×90-Watt 4-Channel Full-Range Amplifier
  • Delivers 90 watts per channel for powerful sound output.
  • Compact 4-channel design suitable for various audio setups.
  • Compatible with multiple full-range speaker systems.
  • Received high scores for performance and quality.
  • Easy installation with flexible mounting options.
  • Durable construction ensures long-lasting reliability.
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10
KENWOOD KAC-M5024BT 4-Channel 600W Amplifier with Bluetooth for Outdoors
  • Compact design suitable for various vehicles and marine use.
  • Delivers up to 600 watts of power to optimize audio performance.
  • Bluetooth streaming enables wireless music playback from devices.
  • Waterproof and dustproof construction ensures durability in tough conditions.
  • Rust proof materials enhance longevity in harsh environments.
  • Vibration proof design allows for stable performance during activities.
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