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JVC KS-AX4504

600W Max, 4-Channel Class A/B Amplifier

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600W Max, 4-Channel Class A/B Amplifier

JVC 4-Channel Class A/B Car Amplifier • 600 Watts Max • 130 Watts x 2 Chan. Bridged @ 4 Ohm • 64 Watts x 4 Chan. @ 4 Ohm • Anti Pop Circuitry • Angle Mount Block Terminals • 4-Way System Protection Circuitry

JVC 4-Channel Class A/B Car Amplifier • 600 Watts Max • 130 Watts x 2 Chan. Bridged @ 4 Ohm • 64 Watts x 4 Chan. @ 4 Ohm • Anti Pop Circuitry • Angle Mount Block Terminals • 4-Way System Protection Circuitry

EFX 600c4 by Scosche

600W Max, EFX Series 4-Channel High Power Amplifier

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600W Max, EFX Series 4-Channel High Power Amplifier

EFX 4-Channel Class A/B Car Amplifier • 100 Watts x 4 Chan. @ 4 Ohm • 125 Watts x 4 Chan. @ 2 Ohm • 1200 Watts RMS • Multi-Mode Capability • Speaker-Level Inputs • 5-Way System Protection • Low Noise Circuitry

EFX 4-Channel Class A/B Car Amplifier • 100 Watts x 4 Chan. @ 4 Ohm • 125 Watts x 4 Chan. @ 2 Ohm • 1200 Watts RMS • Multi-Mode Capability • Speaker-Level Inputs • 5-Way System Protection • Low Noise Circuitry

Cadence XAM500.4

1000W 4-Channel Xenith (XAM) Series Class D Full Range Amplifier

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1000W 4-Channel Xenith (XAM) Series Class D Full Range Amplifier

• RMS: 90W x 4 @ 4 ohm, 125W x 4 @ 2 ohm, Bridged, 4 ohm: 250 watts x 2 chan.
• Total Peak Power: 1000W
• Full Range Digital Amplifier
• Top Mount Backlit Plexiglass control area
• Aluminum Extruded Chassis
• 12.91" L x 5.00" W x 2.00" H

• RMS: 90W x 4 @ 4 ohm, 125W x 4 @ 2 ohm, Bridged, 4 ohm: 250 watts x 2 chan.
• Total Peak Power: 1000W
• Full Range Digital Amplifier
• Top Mount Backlit Plexiglass control area
• Aluminum Extruded Chassis
• 12.91" L x 5.00" W x 2.00" H

Planet Audio TRQ4.1600

1600W 4-Channel Torque Series Class AB Amplifier

5-Year Manufacturer's Extended Warranty When Bought Here!

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1600W 4-Channel Torque Series Class AB Amplifier

• RMS Power: 200W x 4 @ 4 ohm, 300W x 4 @ 2 ohm
• Total Peak Power: 1600W
• Variable High and Low Pass Filters
• Dimensions: 9.5" W x 13.6875" L x 2.125" H

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5-Year Manufacturer's Extended Warranty When Bought Here!

• RMS Power: 200W x 4 @ 4 ohm, 300W x 4 @ 2 ohm
• Total Peak Power: 1600W
• Variable High and Low Pass Filters
• Dimensions: 9.5" W x 13.6875" L x 2.125" H

MB Quart DA1-2000.4

2000W 4-Channel Discus Series Full Range Car Amplifier

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2000W 4-Channel Discus Series Full Range Car Amplifier

• RMS: 250W x 4 @ 4 ohm, 500W x 4 @ 2 ohm, Bridged: 1,000W x 2 @ 4 ohm
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 21.7" L x 2.20" H

• RMS: 250W x 4 @ 4 ohm, 500W x 4 @ 2 ohm, Bridged: 1,000W x 2 @ 4 ohm
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 21.7" L x 2.20" H

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(150W Peak / 75W RMS x 4 Channel) + (300W Peak / 150W x 1 Channel) 5 Channel Vibe Series Amplifier • Fully Adjustable Electronic Crossover Network • gold RCA inputs • bass boost circuit • 2 ohm stable • MOSFET Power Supply

(150W Peak / 75W RMS x 4 Channel) + (300W Peak / 150W x 1 Channel) 5 Channel Vibe Series Amplifier • Fully Adjustable Electronic Crossover Network • gold RCA inputs • bass boost circuit • 2 ohm stable • MOSFET Power Supply

Diamond Audio D7104 ( D7 104 )

D7 Series 4-Channel Amplifier

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D7 Series 4-Channel Amplifier

D7 Series 4-Channel Amplifier • 150W x 4 chan. @ 4 Ohm • 300W x 4 chan. @ 2 Ohm • fully regulated power supply • third-order Butterworth crossover • gold plated copper circuit board • thermal management system

D7 Series 4-Channel Amplifier • 150W x 4 chan. @ 4 Ohm • 300W x 4 chan. @ 2 Ohm • fully regulated power supply • third-order Butterworth crossover • gold plated copper circuit board • thermal management system

Crunch PZi 125.4

800W Max, PowerZone Series 4-Channel Amplifier (PZi125.4)

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800W Max, PowerZone Series 4-Channel Amplifier (PZi125.4)

PowerZone Series 4-Channel Class AB Car Amplifier • 125W x 4 chan. @ 4 ohm • 200W x 4 chan. @ 2 ohm • 400W x 2 chan. Max • 4/3/2 Channel operation • MOSFET power supply • Silver-coated RCA level inputs

PowerZone Series 4-Channel Class AB Car Amplifier • 125W x 4 chan. @ 4 ohm • 200W x 4 chan. @ 2 ohm • 400W x 2 chan. Max • 4/3/2 Channel operation • MOSFET power supply • Silver-coated RCA level inputs

Power Acoustik OV4-840

840W Max, Gothic Series 4-Channel Amplifier

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840W Max, Gothic Series 4-Channel Amplifier

4 ohm: 80 watts x 4 • 2 ohm: 95 watts x 4 • Bridged, 4 ohm: 190 watts x 2 • PWM MOSFET power supply • Chrome top plate with blue LED indicator • 3-Way protection circuit • S/N ratio: 98 dB • Frequency Response: 10 Hz - 30,000 Hz

4 ohm: 80 watts x 4 • 2 ohm: 95 watts x 4 • Bridged, 4 ohm: 190 watts x 2 • PWM MOSFET power supply • Chrome top plate with blue LED indicator • 3-Way protection circuit • S/N ratio: 98 dB • Frequency Response: 10 Hz - 30,000 Hz

American Bass SQ375

600W 4-Channel Class AB SQ Series Car Amplifier

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600W 4-Channel Class AB SQ Series Car Amplifier

• RMS: 50W x 4 @ 4 ohm,90W x 4 @ 2 ohm, Bridged 125W x 2 @ 4 ohm
• Total Peak Power: 600W
• Soft start turn-on
• 4/2 Channel Operation
• Heavy duty aluminum alloy heat-sink
• 9.6" W x 9.4" L x 2.2" H

• RMS: 50W x 4 @ 4 ohm,90W x 4 @ 2 ohm, Bridged 125W x 2 @ 4 ohm
• Total Peak Power: 600W
• Soft start turn-on
• 4/2 Channel Operation
• Heavy duty aluminum alloy heat-sink
• 9.6" W x 9.4" L x 2.2" H

Pyle PLA4988

6000W Super Power Series 4-Channel Bridgeable Car Amplifier

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6000W Super Power Series 4-Channel Bridgeable Car Amplifier

• 200W x 4-Chan. @ 4 ohm
• 320W x 4-Chan. @ 2 ohm
• Bridged 3000W x 2 Chan. @ 4 ohm MAX
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Wired Remote Bass Control Included!

• 200W x 4-Chan. @ 4 ohm
• 320W x 4-Chan. @ 2 ohm
• Bridged 3000W x 2 Chan. @ 4 ohm MAX
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Wired Remote Bass Control Included!

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640W 4 channel EDGE Series Amplifier • 160W x 4 channel power output at 2 Ohm • 80W x 4 channel power output at 4 Ohm • Highpass/Lowpass Xover • Trimode Operation

640W 4 channel EDGE Series Amplifier • 160W x 4 channel power output at 2 Ohm • 80W x 4 channel power output at 4 Ohm • Highpass/Lowpass Xover • Trimode Operation

Crunch P1400.4

1400W Max, PowerZone Series 4-Channel Amplifier

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1400W Max, PowerZone Series 4-Channel Amplifier

PowerZone Series 4-Channel Car Amplifier • 175W x 4 chan. @ 4 ohm • 350W x 4 chan. @ 2 ohm • 700W x 2 chan. @ 4 ohm • MOSFET output power circuit configuration • LED power and protection indicators

PowerZone Series 4-Channel Car Amplifier • 175W x 4 chan. @ 4 ohm • 350W x 4 chan. @ 2 ohm • 700W x 2 chan. @ 4 ohm • MOSFET output power circuit configuration • LED power and protection indicators

EFX HD4300 by Scosche

800W Max, 4-Channel Amplifier (HD-4300)

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800W Max, 4-Channel Amplifier (HD-4300)

800W 4-Channel Amplifier • 65W x 4 chan. @ 4 Ohm • 75W x 4 chan. @ 2 Ohm • extruded aluminum heatsink • overheating/short circuit protection • soft start turn-on/off • RCA line/speaker inputs

800W 4-Channel Amplifier • 65W x 4 chan. @ 4 Ohm • 75W x 4 chan. @ 2 Ohm • extruded aluminum heatsink • overheating/short circuit protection • soft start turn-on/off • RCA line/speaker inputs

MB Quart PAB 5400

Premium Series 5-Channel Amplifier (PAB5400)

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Premium Series 5-Channel Amplifier (PAB5400)

Premium Series Class AB 5-Channel Amplifier • 55W x 4 chan. + 200W x 1 chan. @ 4 ohm • 80W x 4 chan. + 300W x 1 chan. @ 2 ohm • PWM MOSFET power supply • Preamp RCA outputs • Focused mass aluminum heat sink

Premium Series Class AB 5-Channel Amplifier • 55W x 4 chan. + 200W x 1 chan. @ 4 ohm • 80W x 4 chan. + 300W x 1 chan. @ 2 ohm • PWM MOSFET power supply • Preamp RCA outputs • Focused mass aluminum heat sink

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800 watts RMS 4-channel amplifier • Reference Series • signal/noise ratio: >80 dB • input signal: 150mV - 8V • dimensions: 11" x 15.75" x 2.25" • dissipation topology: cast aluminum heatsinks • RCA signal input

800 watts RMS 4-channel amplifier • Reference Series • signal/noise ratio: >80 dB • input signal: 150mV - 8V • dimensions: 11" x 15.75" x 2.25" • dissipation topology: cast aluminum heatsinks • RCA signal input

Crunch PX-1000.4 1000 Watt Amp Car Stereo Amplifier + Amp Kit

1000W POWERX Series 4-channel Bridgeable Car Audio Amplifier Package

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1000W POWERX Series 4-channel Bridgeable Car Audio Amplifier Package

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 Bridged @ 4 ohm
• Total Peak Power: 1000 Watts
• Speaker-level (high-level) inputs
• Variable high-pass filter: 120 - 3000 Hz
• Variable low-pass filter: 50 - 250 Hz
• Variable Bass Boost: 0 to +12 dB bass boost

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 Bridged @ 4 ohm
• Total Peak Power: 1000 Watts
• Speaker-level (high-level) inputs
• Variable high-pass filter: 120 - 3000 Hz
• Variable low-pass filter: 50 - 250 Hz
• Variable Bass Boost: 0 to +12 dB bass boost

Power Acoustik GT4-900

900W 4-Channel Gothic Series Class AB Car Amplifier

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900W 4-Channel Gothic Series Class AB Car Amplifier

• 4 ohm: 75 watts x 4-Chan.
• 2 ohm: 95 watts x 4-Chan.
• Bridged, 4 ohm: 190 watts x 2 chan.
• Max power output: 900 watts

• 4 ohm: 75 watts x 4-Chan.
• 2 ohm: 95 watts x 4-Chan.
• Bridged, 4 ohm: 190 watts x 2 chan.
• Max power output: 900 watts

Boston Acoustics GT-475

500W RMS, GT Reference Series 4-Channel Amplifier

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500W RMS, GT Reference Series 4-Channel Amplifier

GT Series 4-Channel Reference Amplifier • 75W x 4 Chan. @ 4 Ohm • 120W x 4 Chan. @ 2 Ohm • Fully Computer-Controlled Diagnostics System • Q-Tune™ Technology • Fan Cooled Aluminum Alloy Heatsink •

GT Series 4-Channel Reference Amplifier • 75W x 4 Chan. @ 4 Ohm • 120W x 4 Chan. @ 2 Ohm • Fully Computer-Controlled Diagnostics System • Q-Tune™ Technology • Fan Cooled Aluminum Alloy Heatsink •

Cadence ZRS C4

1800W 4-Channel ZRS Series Class A/B Full Range Competition Car Amplifier

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1800W 4-Channel ZRS Series Class A/B Full Range Competition Car Amplifier

• RMS: 150W x 4 @ 4 ohm, 225W x 4 @ 2 ohm• Bridged: 450W x 2 @ 4 ohm
• Total Peak Power: 1800W
• 16V Capable Power Supply
• Bipolar Japanese Sanken Outputs
• 11.6"W x 22"L x 2.7"H

• RMS: 150W x 4 @ 4 ohm, 225W x 4 @ 2 ohm• Bridged: 450W x 2 @ 4 ohm
• Total Peak Power: 1800W
• 16V Capable Power Supply
• Bipolar Japanese Sanken Outputs
• 11.6"W x 22"L x 2.7"H

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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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