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Discontinued 4-Channel Amplifiers

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Kicker KXM400.4 (40KXM4004)

400W KXM Series 4-Channel Class D-IC Stereo Bridgeable Marine Power Amplifier

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400W KXM Series 4-Channel Class D-IC Stereo Bridgeable Marine Power Amplifier

• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• Bridged: 200W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• Single Channel Operation
• 4 Gauge Power and Ground Inputs
• Stylish Magnetic Panel Covers Tuning Options for Clean Install

• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• Bridged: 200W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• Single Channel Operation
• 4 Gauge Power and Ground Inputs
• Stylish Magnetic Panel Covers Tuning Options for Clean Install

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(150W Peak / 75W RMS x 4 Channel) + (500W Peak / 250W RMS x 2 Channel) 6 Channel Viberant Series Amplifier • Electronic Crossover Network • gold RCA inputs • bass boost circuit • 2 ohm stable • Tri-Mode Capable • Dual VU Meter

(150W Peak / 75W RMS x 4 Channel) + (500W Peak / 250W RMS x 2 Channel) 6 Channel Viberant Series Amplifier • Electronic Crossover Network • gold RCA inputs • bass boost circuit • 2 ohm stable • Tri-Mode Capable • Dual VU Meter

Pioneer GM-D1004 OPEN BOX INCOMPLETE

400W 4-Channel GM Digital Series Class FD Amplifier

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400W 4-Channel GM Digital Series Class FD Amplifier

Used and Installed. Missing RCA's and hardware.
• RMS Power: 45W x 4 @ 4 ohm, 45W x 4 @ 2 ohm
• Total Peak Power: 400W
• CEA-2006 Compliant
• Dimensions: 7-1/8" W x 2-1/2" D x 1-1/2" H

Used and Installed. Missing RCA's and hardware.
• RMS Power: 45W x 4 @ 4 ohm, 45W x 4 @ 2 ohm
• Total Peak Power: 400W
• CEA-2006 Compliant
• Dimensions: 7-1/8" W x 2-1/2" D x 1-1/2" H

Kicker DXA250.4 (41DXA250.4)

500W Max (250W RMS) D-Series Full Range Class A/B Car Amplifier

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500W Max (250W RMS) D-Series Full Range Class A/B Car Amplifier

• RMS Power: 30W x 4 @ 4 ohm, 60W x 4 @ 2 ohm
• Signal to Noise Ratio: >95dB
• CEA-2006
• Dimensions: 12-7/16" W x 7-3/16" D x 2-3/8" H

• RMS Power: 30W x 4 @ 4 ohm, 60W x 4 @ 2 ohm
• Signal to Noise Ratio: >95dB
• CEA-2006
• Dimensions: 12-7/16" W x 7-3/16" D x 2-3/8" H

Polk Audio PA D4000.4 (PAD4000.4) - Open Box, Good Condition (Used)

800W RMS PA D Series Class-D 4-Channel Car Amplifier Open Box Complete (Good, Used)

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800W RMS PA D Series Class-D 4-Channel Car Amplifier Open Box Complete (Good, Used)

• 125 Watts RMS x 4 @ 4 ohm
• 200 Watts RMS x 4 @ 2 ohm
• 400 Watts RMS x 2 @ 4 ohm, Bridged
• 4, 3 and 2 Channel Operation
• CEA-2006 Compliant
• Frequency Response: 20 - 20,000 Hz
• Selectable crossover modes: LPF / FULL / HPF , with 10x Multiplier
• Dimensions: 6-3/4" W x 10-15/16" L x 1-13/16" H

• 125 Watts RMS x 4 @ 4 ohm
• 200 Watts RMS x 4 @ 2 ohm
• 400 Watts RMS x 2 @ 4 ohm, Bridged
• 4, 3 and 2 Channel Operation
• CEA-2006 Compliant
• Frequency Response: 20 - 20,000 Hz
• Selectable crossover modes: LPF / FULL / HPF , with 10x Multiplier
• Dimensions: 6-3/4" W x 10-15/16" L x 1-13/16" H

Hifonics XX-Jupiter

Generation XX 4-Channel Amplifier

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Generation XX 4-Channel Amplifier

4-Channel A/B Amplifier • 75W RMS x 4 @ 4 Ohm • 110W RMS x 4 @ 2 Ohm • 20th Anniversary Heatsink Design • 1 Ohm Stable • Gold Plated RCA Connectors

4-Channel A/B Amplifier • 75W RMS x 4 @ 4 Ohm • 110W RMS x 4 @ 2 Ohm • 20th Anniversary Heatsink Design • 1 Ohm Stable • Gold Plated RCA Connectors

Hifonics Zeus ZXi80.4

640W RMS, Zeus Series 4-Channel Amplifier (ZXi 80.4)

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640W RMS, Zeus Series 4-Channel Amplifier (ZXi 80.4)

Zeus Series 4 Channel Class A/B Car Amplifier • 160W x 4-Chan. @ 2 Ohm • 80W x 4-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • MOSFET Power Supply • Silver-Plated RCA Inputs

Zeus Series 4 Channel Class A/B Car Amplifier • 160W x 4-Chan. @ 2 Ohm • 80W x 4-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • MOSFET Power Supply • Silver-Plated RCA Inputs

Autotek MM50.4 R/B

300W RMS Mean Machine Series 4-Channel Amplifier

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300W RMS Mean Machine Series 4-Channel Amplifier

Mean Machine Series 4-Channel Car Amplifier • 50 watts x 4 chan @ 4 ohm • 75 watts x 4 chan @ 2 ohm • MOSFET Power Supply • LED Power Indicators • TCID (Twin Coil Isolation Design) • Aluminum Alloy Heatsink

Mean Machine Series 4-Channel Car Amplifier • 50 watts x 4 chan @ 4 ohm • 75 watts x 4 chan @ 2 ohm • MOSFET Power Supply • LED Power Indicators • TCID (Twin Coil Isolation Design) • Aluminum Alloy Heatsink

Boss CE404- OPEN BOX 1

400W Chaos Epic Series 4-Channel Power Amplifier with Line and Speaker Level Inputs

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400W Chaos Epic Series 4-Channel Power Amplifier with Line and Speaker Level Inputs

Chaos Epic Series 4-Channel Power Amplifier • 200W RMS • 400W Max • MOSFET Power Supply • LED Power and Protect Indicators • Variable Input Gain Control • 2-Way System Protection Circuitry • Heavy Duty Black Anodized Aluminum Heatsink

Chaos Epic Series 4-Channel Power Amplifier • 200W RMS • 400W Max • MOSFET Power Supply • LED Power and Protect Indicators • Variable Input Gain Control • 2-Way System Protection Circuitry • Heavy Duty Black Anodized Aluminum Heatsink

Orion HCCA10004

1000W HCCA Competition Series 4-Channel Amplifier

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1000W HCCA Competition Series 4-Channel Amplifier

• 250W x 4-Chan @ 2 Ohm
• 125W x 4-Chan @ 4 Ohm
• Intelli-Q Variable Bass Boost
• Preamp RCA Outputs
• 5-Way System Protection Circuitry

• 250W x 4-Chan @ 2 Ohm
• 125W x 4-Chan @ 4 Ohm
• Intelli-Q Variable Bass Boost
• Preamp RCA Outputs
• 5-Way System Protection Circuitry

Autotek AXL4050.4

4000W 4-Channel AXL Series Class AB Car Amplifier

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4000W 4-Channel AXL Series Class AB Car Amplifier

• 500W x 4-Chan. @ 4 ohm
• 1000W x 4-Chan. @ 2 ohm
• 2000W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• Illuminated Logo for Stylish and Unique Design

• 500W x 4-Chan. @ 4 ohm
• 1000W x 4-Chan. @ 2 ohm
• 2000W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• Illuminated Logo for Stylish and Unique Design

Rockford Fosgate P1000X4D

1000W RMS 4-Channel Class D Punch Series High Efficiency Amplifier

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1000W RMS 4-Channel Class D Punch Series High Efficiency Amplifier

Punch Series Class D Full Range 4-Channel Car Amplifier • 150W x 4 Chan. @ 4 ohm • 250W x 4 Chan. @ 2 ohm • 500W x 2 Chan. @ 4 ohm Bridged • Punch EQ 2 Variable Bass Boost • High/Low Pass Crossovers • CEA-2006 Compliant

Punch Series Class D Full Range 4-Channel Car Amplifier • 150W x 4 Chan. @ 4 ohm • 250W x 4 Chan. @ 2 ohm • 500W x 2 Chan. @ 4 ohm Bridged • Punch EQ 2 Variable Bass Boost • High/Low Pass Crossovers • CEA-2006 Compliant

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4-Channel Viberant Series Bridgeable Amplifier • 800W Max / 400W RMS @ 4 ohm • 700W RMS @ 2 Ohm Stable

4-Channel Viberant Series Bridgeable Amplifier • 800W Max / 400W RMS @ 4 ohm • 700W RMS @ 2 Ohm Stable

Bazooka MAA465

4-Channel Marine Amplifier

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4-Channel Marine Amplifier

4-Channel Marine Amplifier • 64W x 4 chan. @ 4 Ohm • 90W x 4 chan. @ 2 Ohm • aluminum heat sink • illuminated logo • remote turn-on • short, thermal, and overload protection • adjustable input sensitivity

4-Channel Marine Amplifier • 64W x 4 chan. @ 4 Ohm • 90W x 4 chan. @ 2 Ohm • aluminum heat sink • illuminated logo • remote turn-on • short, thermal, and overload protection • adjustable input sensitivity

Power Acoustik D4-1400B

1400W Max 4 Channel Class A/B Demon Series Car Amplifier

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1400W Max 4 Channel Class A/B Demon Series Car Amplifier

Demon Series 4-Channel Class AB Car Amplifier • 1400W Peak • Regulated PWM MOSFET Power Supply • Remote Subwoofer Level Control • LED Power and Protection Indicators • Bass Boost • 2-Way System Protection Circuitry

Demon Series 4-Channel Class AB Car Amplifier • 1400W Peak • Regulated PWM MOSFET Power Supply • Remote Subwoofer Level Control • LED Power and Protection Indicators • Bass Boost • 2-Way System Protection Circuitry

Orion ZO4000.4

4,000W Peak (2000W RMS) 4-Channel Amplifier

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4,000W Peak (2000W RMS) 4-Channel Amplifier

• 175 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 4000 Watts
• Selectable Bass Boost: 0/+6/+12 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 382mmW x 231.5mmL x 55.5mmH

• 175 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 4000 Watts
• Selectable Bass Boost: 0/+6/+12 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 382mmW x 231.5mmL x 55.5mmH

JBL Marine MA6004 Open Box

Open Box 320W RMS, 4-Channel Marine Amplifier

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Open Box 320W RMS, 4-Channel Marine Amplifier

Marine Series 4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 80W x 4 chan. @ 2 ohm • 160W x 2 chan. @ 4 ohm • 320W RMS • MOSFET power supply • Preamp RCA outputs • Thermal, voltage, and short protection circuitry

Marine Series 4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 80W x 4 chan. @ 2 ohm • 160W x 2 chan. @ 4 ohm • 320W RMS • MOSFET power supply • Preamp RCA outputs • Thermal, voltage, and short protection circuitry

Rockford Fosgate Power T600 (Open Box, Complete)

Power Series Compact 4-Channel Amplifier

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Power Series Compact 4-Channel Amplifier

Power Series 4-Channel Class AB Car Amplifier • 100W x 4 chan. @ 4 ohm • 150W x 4 chan. @ 2 ohm • 300W x 2 chan. @ 4 ohm • 600W x 4 chan. Max • NOMAD protection circuitry: thermal, overload or short protection • MOSFET power supply

Power Series 4-Channel Class AB Car Amplifier • 100W x 4 chan. @ 4 ohm • 150W x 4 chan. @ 2 ohm • 300W x 2 chan. @ 4 ohm • 600W x 4 chan. Max • NOMAD protection circuitry: thermal, overload or short protection • MOSFET power supply

Rockford Fosgate Punch P850.4

Punch Series 4-Channel Amplifier

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Punch Series 4-Channel Amplifier

850 watt Punch Series 4-Channel Amplifier • 100 watts x 4 chan. @ 4 Ohm • 210 watts x 2 chan. @ 2 Ohm • preamp inputs and outputs • CEA-2006 compliant

850 watt Punch Series 4-Channel Amplifier • 100 watts x 4 chan. @ 4 Ohm • 210 watts x 2 chan. @ 2 Ohm • preamp inputs and outputs • CEA-2006 compliant

NVX VADM4 Amplifier + (4) Alpine 6x9" Speakers + Belva BBSW127

400W RMS NVX 4-Channel Car/Marine/Powersports Amplifier + (4) Alpine SXE6925S Coaxial Speakers + Belva Speaker Wire

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400W RMS NVX 4-Channel Car/Marine/Powersports Amplifier + (4) Alpine SXE6925S Coaxial Speakers + Belva Speaker Wire

• 400 Watt True RMS Output!
• Marine Certified 4-Channel Micro Class D Amplifier
• 75W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/2 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

• 400 Watt True RMS Output!
• Marine Certified 4-Channel Micro Class D Amplifier
• 75W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/2 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

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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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