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Memphis SRX300.4

300W RMS Street Reference Series Class AB 4-Channel Amplifier

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300W RMS Street Reference Series Class AB 4-Channel Amplifier

• 50 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier

• 50 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier

MB Quart DSC 480

640W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC480)

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640W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC480)

Discus Series 4-Channel Class AB Car Amplifier • 80W x 4 Chan. @ 4 Ohm • 160W x 4 Chan. @ 2 Ohm • 320W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

Discus Series 4-Channel Class AB Car Amplifier • 80W x 4 Chan. @ 4 Ohm • 160W x 4 Chan. @ 2 Ohm • 320W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

MTX Audio RT604

360W 4-Channel Class A/B Road Thunder Series Amplifier

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360W 4-Channel Class A/B Road Thunder Series Amplifier

• 90W x 4-Chan @ 2 Ohm
• 60W x 4-Chan @ 4 Ohm
• Speaker-level (high-level) inputs
• Preamp RCA outputs
• High/Low-Pass Filters

• 90W x 4-Chan @ 2 Ohm
• 60W x 4-Chan @ 4 Ohm
• Speaker-level (high-level) inputs
• Preamp RCA outputs
• High/Low-Pass Filters

NVX MVPA4 (Factory Refurbished)

Micro-V Series 400W RMS 4-Channel Bridgeable Micro Class D Compact Car Amplifier (MVPA.4)

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Micro-V Series 400W RMS 4-Channel Bridgeable Micro Class D Compact Car Amplifier (MVPA.4)

• The size of a postcard with 400 Watts True RMS Output!
• • MVP Series 4-Channel Micro Class D Amplifier
• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

• The size of a postcard with 400 Watts True RMS Output!
• • MVP Series 4-Channel Micro Class D Amplifier
• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

JVC KS-AX204

600W Max 4-Channel Class AB AX Series Amplifier

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600W Max 4-Channel Class AB AX Series Amplifier

• RMS Power: 40W x 4 @ 4 ohm, 60W x 4 @ 2 ohm
• Total Peak Power: 600W
• High and Low Pass Filters
• Frequency Response: 5-50,000 Hz

• RMS Power: 40W x 4 @ 4 ohm, 60W x 4 @ 2 ohm
• Total Peak Power: 600W
• High and Low Pass Filters
• Frequency Response: 5-50,000 Hz

Pyramid PB618

1000W Max Class A/B 4-Channel America Series Car Amplifier

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1000W Max Class A/B 4-Channel America Series Car Amplifier

merica Series 4-Channel Class A/B Car Amplifier • 1000W Max x 2 Channels • 2000W Max x 1 Channel Bridged @ 4 ohm • Variable Electronic Crossovers • Variable Bass Boost • High/Low Level Inputs • RCA Preamp Output

merica Series 4-Channel Class A/B Car Amplifier • 1000W Max x 2 Channels • 2000W Max x 1 Channel Bridged @ 4 ohm • Variable Electronic Crossovers • Variable Bass Boost • High/Low Level Inputs • RCA Preamp Output

Almani PA-800.4

800W Max, Class AB 4-Channel Car Amplifier with Power and Protection LED Indicators

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800W Max, Class AB 4-Channel Car Amplifier with Power and Protection LED Indicators

4-Channel Class A/B High Powered Car Amplifier • 800W Max • 250W x 4 Chan @ 2 Ohm • Variable Bass Boost • Soft Start Turn-On/Off Circuitry • Speaker-Level Inputs • Preamp RCA Outputs • 4-Way System Protection Circuitry

4-Channel Class A/B High Powered Car Amplifier • 800W Max • 250W x 4 Chan @ 2 Ohm • Variable Bass Boost • Soft Start Turn-On/Off Circuitry • Speaker-Level Inputs • Preamp RCA Outputs • 4-Way System Protection Circuitry

FLI Audio FL900S-F2

900W Max FLI Loaded Series 4-Channel Power Amplifier

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900W Max FLI Loaded Series 4-Channel Power Amplifier

FLI Loaded Series 4-Channel Power Amplifier • MOSFET Power Supply • Variable Bass Boost • High Speaker Level Inputs • Illuminated Logo • RCA Low Level Inputs • Variable High-Pass Filter

FLI Loaded Series 4-Channel Power Amplifier • MOSFET Power Supply • Variable Bass Boost • High Speaker Level Inputs • Illuminated Logo • RCA Low Level Inputs • Variable High-Pass Filter

Autotek ATA1000.4

1000W Max 4-Channel ATA Series Class-AB Car Amplifier

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1000W Max 4-Channel ATA Series Class-AB Car Amplifier

• Max Power: 125W x 4 @ 4 ohm, 250W x 4 @ 2 ohm
• Total Peak Power: 1000W
• Pulse Width Modulated MOSFET power supply
• LED power (green) and protect (red) indicators
• 4/3/2 channel operation
• Preamp RCA outputs to daisy chain multiple amps

• Max Power: 125W x 4 @ 4 ohm, 250W x 4 @ 2 ohm
• Total Peak Power: 1000W
• Pulse Width Modulated MOSFET power supply
• LED power (green) and protect (red) indicators
• 4/3/2 channel operation
• Preamp RCA outputs to daisy chain multiple amps

Kenwood KAC-2404S

260W 4-Channel Stereo Bridgeable Power Amplifier w/ LPF and HPF

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260W 4-Channel Stereo Bridgeable Power Amplifier w/ LPF and HPF

• 40W x 4-Chan. @ 4 ohm
• 60W x 4-Chan. @ 2 ohm
• Class AB
• High-Level Speaker Input
• Heavy Duty Aluminum Heatsink
• Low-Pass and High-Pass
• CEA-2006 Compliant

• 40W x 4-Chan. @ 4 ohm
• 60W x 4-Chan. @ 2 ohm
• Class AB
• High-Level Speaker Input
• Heavy Duty Aluminum Heatsink
• Low-Pass and High-Pass
• CEA-2006 Compliant

Boss CW350

400W Max, Chaos Wired Series 4-Channel Amplifier

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400W Max, Chaos Wired Series 4-Channel Amplifier

Chaos Wired Series 4-Channel Car Amplifier • 50 Watts x 4 Chan. @ 4 Ohm • 100 Watts x 4 Chan. @ 2 Ohm • 400 Watts Max • High Level Inputs • Heavy Duty Silver Anodized Heatsink • 2-Way System Protection Circuitry

Chaos Wired Series 4-Channel Car Amplifier • 50 Watts x 4 Chan. @ 4 Ohm • 100 Watts x 4 Chan. @ 2 Ohm • 400 Watts Max • High Level Inputs • Heavy Duty Silver Anodized Heatsink • 2-Way System Protection Circuitry

Crunch PD2000.4 (PD 2000.4)

2000W Max Power Drive Series 2-Ohm Stable Bridgeable 4-Channel Amplifier

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2000W Max Power Drive Series 2-Ohm Stable Bridgeable 4-Channel Amplifier

• 250 Watts Max x 4 @ 4 ohm
• 500 Watts Max x 4 @ 2 ohm
• Bridged: 1000 Watts Max x 2 @ 4 ohm
• Total Peak Power: 2000 Watts
• Variable high-pass filter: 60 - 1200 Hz
• Variable low-pass filter: 30 - 250 Hz
• Variable Bass Boost: 0 to +9 dB bass boost at 50 Hz
• Dimensions: 11.4"W x 17.8"L x 3.8"H

• 250 Watts Max x 4 @ 4 ohm
• 500 Watts Max x 4 @ 2 ohm
• Bridged: 1000 Watts Max x 2 @ 4 ohm
• Total Peak Power: 2000 Watts
• Variable high-pass filter: 60 - 1200 Hz
• Variable low-pass filter: 30 - 250 Hz
• Variable Bass Boost: 0 to +9 dB bass boost at 50 Hz
• Dimensions: 11.4"W x 17.8"L x 3.8"H

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55W RMS x 4 channel at 4 ohm • 65W RMS x 4 at 2 ohm • Bass Engine with variable high-pass/low-pass crossovers and subsonic filter • preamp outputs

55W RMS x 4 channel at 4 ohm • 65W RMS x 4 at 2 ohm • Bass Engine with variable high-pass/low-pass crossovers and subsonic filter • preamp outputs

Pyle PLAM1600

1600W 4-Channel Class A/B Academy Series Car Amplifier

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1600W 4-Channel Class A/B Academy Series Car Amplifier

Academy Series 4-Channel Class A/B Car Amplifier • Selectable Bass Boost • Variable High and Low Level Crossovers • Speaker Output Terminal Strip • 3-Way Protection Circuitry • LED Diagnostic Condition Indicator • Preamp RCA Outputs

Academy Series 4-Channel Class A/B Car Amplifier • Selectable Bass Boost • Variable High and Low Level Crossovers • Speaker Output Terminal Strip • 3-Way Protection Circuitry • LED Diagnostic Condition Indicator • Preamp RCA Outputs

JBL CS50.4

162W RMS, CS Series 4-Channel Amplifier

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162W RMS, CS Series 4-Channel Amplifier

CS Series 4-Channel Class AB Car Amplifier • 67W x 4 chan. @ 4 ohm • 82W x 4 chan. @ 2 ohm • 162W x 2 chan. @ 4 ohm • MOSFET power supply • 4/3/2 channel operation • Preamp RCA outputs • DC, short circuit, overheat, and overload protection circuitry

CS Series 4-Channel Class AB Car Amplifier • 67W x 4 chan. @ 4 ohm • 82W x 4 chan. @ 2 ohm • 162W x 2 chan. @ 4 ohm • MOSFET power supply • 4/3/2 channel operation • Preamp RCA outputs • DC, short circuit, overheat, and overload protection circuitry

Cadence Q4000 Open Box Complete

1600W 4-Channel Q Series Full Range Class A/B Car Amplifier

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1600W 4-Channel Q Series Full Range Class A/B Car Amplifier

• Item Condition: Open Box Complete
• RMS: 125W x 4 @ 4 ohm, 190W x 4 @ 2 ohm, 380W x 2 @ 4 ohm Bridged
• Total Peak Power: 1600W
• High Speed MosFET Power Supply
• 16V Capable Power Supplies
• Full Range Class A/B
• BiPolar Professional Audio Grade Output Transistors
• 16.9" L x 7.9" W x 2.4 H

• Item Condition: Open Box Complete
• RMS: 125W x 4 @ 4 ohm, 190W x 4 @ 2 ohm, 380W x 2 @ 4 ohm Bridged
• Total Peak Power: 1600W
• High Speed MosFET Power Supply
• 16V Capable Power Supplies
• Full Range Class A/B
• BiPolar Professional Audio Grade Output Transistors
• 16.9" L x 7.9" W x 2.4 H

Hifonics Brutus BRX616.4 Amplifier + Complete 4 AWG Amp Kit

640 Watt 4 Channel Brutus Series Class AB Amplifier + Amp Kit

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640 Watt 4 Channel Brutus Series Class AB Amplifier + Amp Kit

• RMS Power: 80W x 4 @ 4 ohm, 160W x 2 @ 2 ohm
• Total Peak Power: 640W
• Variable High and Low Pass Filters
• Dimensions: 9.8" W x 14.7" L x 2.4" H
• Complete 4 Gauge 4-Channel Amplifier Installation Kit

• RMS Power: 80W x 4 @ 4 ohm, 160W x 2 @ 2 ohm
• Total Peak Power: 640W
• Variable High and Low Pass Filters
• Dimensions: 9.8" W x 14.7" L x 2.4" H
• Complete 4 Gauge 4-Channel Amplifier Installation Kit

JL Audio 500/5

500 watts, 5-Channel Amplifier

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500 watts, 5-Channel Amplifier

5-Channel Power Amplifier • (100W x 2 front chan.) + (25W x 2 rear chan.) + (250W x 1 sub chan.) • 108.5 dB S/N Ratio for front/rear channels • 98.5 dB S/N Ratio for sub chan. • 1.5 ohm - 4 ohm stable

5-Channel Power Amplifier • (100W x 2 front chan.) + (25W x 2 rear chan.) + (250W x 1 sub chan.) • 108.5 dB S/N Ratio for front/rear channels • 98.5 dB S/N Ratio for sub chan. • 1.5 ohm - 4 ohm stable

Boss AR2400.4

2400W 4-Channel ARMOR Series Class A/B Car Amplifier

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2400W 4-Channel ARMOR Series Class A/B Car Amplifier

• 4 ohm: 240 watts x 2 chan.
• 2 ohm: 600 watts x 2 chan.
• Bridged, 4 ohm: 1200 watts x 2 chan.
• Pulse Width Modulated MOSFET Power Supply

• 4 ohm: 240 watts x 2 chan.
• 2 ohm: 600 watts x 2 chan.
• Bridged, 4 ohm: 1200 watts x 2 chan.
• Pulse Width Modulated MOSFET Power Supply

NVX JAD800.4 (OPEN BOX, LIKE NEW)

True 1600 Watt Peak 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)

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True 1600 Watt Peak 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)

• 4 ohm: 125 watts x 4-Chan. RMS
• 2 ohm: 200 watts x 4-Chan. RMS
• Bridged, 4 ohm: 400 x 2 chan. RMS
• Pulse Width Modulated MOSFET Power Supply
• 4/3/2 Channel Operation

• 4 ohm: 125 watts x 4-Chan. RMS
• 2 ohm: 200 watts x 4-Chan. RMS
• Bridged, 4 ohm: 400 x 2 chan. RMS
• Pulse Width Modulated MOSFET Power Supply
• 4/3/2 Channel Operation

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    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.
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