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Discontinued 4-Channel Amplifiers

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Blaupunkt THA475 PnP (THA475PnP)

150W Max, THA Plug-n-Play Series 4-Channel Class D Amplifier (THA 475 PnP, THA 475PnP)

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150W Max, THA Plug-n-Play Series 4-Channel Class D Amplifier (THA 475 PnP, THA 475PnP)

THA Plug-n-Play Series 4-Channel Class D Car Amplifier • 75W x 4 chan. @ 4 ohm • 85W x 4 chan. @ 2 ohm • 180W x 2 chan. @ 4 ohm • 4/3/2 channel operation • Preamp RCA outputs • Speaker-level inputs

THA Plug-n-Play Series 4-Channel Class D Car Amplifier • 75W x 4 chan. @ 4 ohm • 85W x 4 chan. @ 2 ohm • 180W x 2 chan. @ 4 ohm • 4/3/2 channel operation • Preamp RCA outputs • Speaker-level inputs

Audison LRx 6.SR

High-end, Car Theatre 6-Channel Amplifier

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High-end, Car Theatre 6-Channel Amplifier

Car Theatre 6-Channel Amplifier • 55W x 5 chan. + 150W x 1 chan. @ 4 Ohm • 80W x 5 chan. + 150W x 1 chan. @ 2 Ohm • MOSFET power supply • 2-way Butterworth crossover • RGP circuit • compact design • Darlington configuration

Car Theatre 6-Channel Amplifier • 55W x 5 chan. + 150W x 1 chan. @ 4 Ohm • 80W x 5 chan. + 150W x 1 chan. @ 2 Ohm • MOSFET power supply • 2-way Butterworth crossover • RGP circuit • compact design • Darlington configuration

Eclipse XA5000

5-Channel Class D ICEpower Technology Amplifier plus Subsonic Filter

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5-Channel Class D ICEpower Technology Amplifier plus Subsonic Filter

900 watts peak • 50W RMS x 4 chan. • 300W RMS x 1 chan. • High current, high efficiency FET power supply • "Easy Tune" top-mounted controls

900 watts peak • 50W RMS x 4 chan. • 300W RMS x 1 chan. • High current, high efficiency FET power supply • "Easy Tune" top-mounted controls

Massive Audio EX48

1600W Max (800W RMS) Nano Edge Series Digital 4-Channel 2 ohm Stable Amplifier

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1600W Max (800W RMS) Nano Edge Series Digital 4-Channel 2 ohm Stable Amplifier

• 200 W RMS x 4 @ 4 ohm
• 200W RMS x 1 @ 2 ohm
• 400 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 1600 Watts
• CEA-2006 Compliant
• Small Footprint for Installation Flexibility
• Aluminum Heatsink
• Dimensions: 9.1" W x 5.9" L x 2.1" H

• 200 W RMS x 4 @ 4 ohm
• 200W RMS x 1 @ 2 ohm
• 400 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 1600 Watts
• CEA-2006 Compliant
• Small Footprint for Installation Flexibility
• Aluminum Heatsink
• Dimensions: 9.1" W x 5.9" L x 2.1" H

Precision Power PPI PC640.4

640W Power Class Series 4-Channel Amplifier

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640W Power Class Series 4-Channel Amplifier

• 4 ohm: 115 watts x 4 chan, 2 ohm: 160 watts x 4 chan
• 640W RMS
• Large TO218 MOSFET Transistors
• Triple Darlington Audio Output Stages
• Close Tolerance Signal Path Components
• Extra Low Current Drive Stage

• 4 ohm: 115 watts x 4 chan, 2 ohm: 160 watts x 4 chan
• 640W RMS
• Large TO218 MOSFET Transistors
• Triple Darlington Audio Output Stages
• Close Tolerance Signal Path Components
• Extra Low Current Drive Stage

MTX Audio Thunder Marine TM904

4-Channel Amplifier for Marine Use

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4-Channel Amplifier for Marine Use

Thunder Marine Series 4-Channel Class AB Marine Amplifier • 45W x 4 chan. @ 4 ohm • 75W x 4 chan. @ 2 ohm • MOSFET power supply • Conformal coated circuit board • Gold-plated screw terminals

Thunder Marine Series 4-Channel Class AB Marine Amplifier • 45W x 4 chan. @ 4 ohm • 75W x 4 chan. @ 2 ohm • MOSFET power supply • Conformal coated circuit board • Gold-plated screw terminals

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800 Watt 4 Channel Amplifier • 200W x 4 RMS @ 4 Ohm • 400W x 4 RMS @ 2 Ohm • 400W x 2 RMS @ 4 Ohm • Platinum Plated Screw Type RCA Jacks • Variable High Pass & Low Pass Filters • Stainless Steel Finish Heat sink • Full Mosfet Circuitry

800 Watt 4 Channel Amplifier • 200W x 4 RMS @ 4 Ohm • 400W x 4 RMS @ 2 Ohm • 400W x 2 RMS @ 4 Ohm • Platinum Plated Screw Type RCA Jacks • Variable High Pass & Low Pass Filters • Stainless Steel Finish Heat sink • Full Mosfet Circuitry

ARC Audio 4150-XXK

4-Channel Car Amplifier

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4-Channel Car Amplifier

80 watts x 4 @ 4 ohm, 160 watts x 4 @ 2 ohm, 320 watts x 2 @4 ohm bridged • Frequency Response: 20Hz - 20KHz • Signal to Noise Ratio: 105dB

80 watts x 4 @ 4 ohm, 160 watts x 4 @ 2 ohm, 320 watts x 2 @4 ohm bridged • Frequency Response: 20Hz - 20KHz • Signal to Noise Ratio: 105dB

Clif Designs CD40.4DLX

1400W Max, 4-Channel Amplifier

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1400W Max, 4-Channel Amplifier

Clif Designs 4-Channel Class AB Car Amplifier • 80W x 4 chan. @ 4 ohm • 110W x 4 chan. @ 2 ohm • 600W x 2 chan. Max • Full MOSFET Power Supply • Soft start circuitry • 3-way short circuit protection

Clif Designs 4-Channel Class AB Car Amplifier • 80W x 4 chan. @ 4 ohm • 110W x 4 chan. @ 2 ohm • 600W x 2 chan. Max • Full MOSFET Power Supply • Soft start circuitry • 3-way short circuit protection

Kicker ZX850.4

06ZX850.4 ZX Series 4-Channel Amplifier

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06ZX850.4 ZX Series 4-Channel Amplifier

4-Channel ZX-Series Power Amplifier • 215W RMS x 4 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

4-Channel ZX-Series Power Amplifier • 215W RMS x 4 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

VIBE Audio SLICKSTEREO4-V1 (SLICKSTEREO4-V1)

800W Max 4-Channel Class D SLICK Series Car Amplifier (SLICKSTEREO4-V1)

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800W Max 4-Channel Class D SLICK Series Car Amplifier (SLICKSTEREO4-V1)

4-Channel Class D SLICK Series Car Amplifier • 4 ohm: 75 watts x 4 chan. • 2 ohm: 100 watts x 4 chan. • Bridged, 4 ohm: 200 watts x 2 chan. • Pulse Width Modulated MOSFET Power Supply

4-Channel Class D SLICK Series Car Amplifier • 4 ohm: 75 watts x 4 chan. • 2 ohm: 100 watts x 4 chan. • Bridged, 4 ohm: 200 watts x 2 chan. • Pulse Width Modulated MOSFET Power Supply

Autotek MMA1500.4

1500W 4-Channel Mean Machine Series Car Amplifier

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1500W 4-Channel Mean Machine Series Car Amplifier

• RMS: 200W x 4 @ 4 ohm, 375W x 4 @ 2 ohm, Bridged: 750W x 2 @ 4 ohm
• Total Peak Power: 1500W
• Pro- Fi™ High Speed MOSFET’s
• Auto-Step PWM MOSFET Power Supply
• ROAD WORTHYTM TCID
• 4/2 channel operation

• RMS: 200W x 4 @ 4 ohm, 375W x 4 @ 2 ohm, Bridged: 750W x 2 @ 4 ohm
• Total Peak Power: 1500W
• Pro- Fi™ High Speed MOSFET’s
• Auto-Step PWM MOSFET Power Supply
• ROAD WORTHYTM TCID
• 4/2 channel operation

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5-Channel Van Gogh Amplifier • RMS @ ohm: 100W x 4 + 400W x 1 (sub) • platinum RCA inputs and outputs • platinum 2-gauge connectors

5-Channel Van Gogh Amplifier • RMS @ ohm: 100W x 4 + 400W x 1 (sub) • platinum RCA inputs and outputs • platinum 2-gauge connectors

Audiobahn AMA24004H

1200W 4-Channel Class A/B Murdered Out Series Car Amplifier

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1200W 4-Channel Class A/B Murdered Out Series Car Amplifier

• 150W x 4-Chan. @ 4 ohm, 300W x 4-Chan. @ 2 ohm
• 600W x 2 Chan. @ 4 ohm
• 4-Way System Protection
• 4/3/2 Channel Operation
• 4 Gauge Power and Ground Inputs
• Power and Protect Indicators

• 150W x 4-Chan. @ 4 ohm, 300W x 4-Chan. @ 2 ohm
• 600W x 2 Chan. @ 4 ohm
• 4-Way System Protection
• 4/3/2 Channel Operation
• 4 Gauge Power and Ground Inputs
• Power and Protect Indicators

Autotek MM4-400 R/B

Factory Refurbished, 800W RMS Mean Machine Series 4-Channel Amplifier

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Factory Refurbished, 800W RMS Mean Machine Series 4-Channel Amplifier

Mean Machine Series 4-Channel Car Amplifier • 100 Watts x 4 Chan @ 4 Ohm • 200 Watts x 4 Chan @ 2 Ohm • MOSFET Power Supply • LED Power Indicators • TCID (Twin Coil Isolation Design)

Mean Machine Series 4-Channel Car Amplifier • 100 Watts x 4 Chan @ 4 Ohm • 200 Watts x 4 Chan @ 2 Ohm • MOSFET Power Supply • LED Power Indicators • TCID (Twin Coil Isolation Design)

ARC Audio FD4100

Foose Designs FD 4100 4-Channel Amplifier

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Foose Designs FD 4100 4-Channel Amplifier

4-Channel Amplifier • 50 watts x 4 chan. @ 4 ohm • 90 watts x 4 chan. @ 2 ohm • Microprocessor Controlled • Thermal, DC, offset, reverse voltage, over voltage, short circuit protection • 0 - 18 dB Variable Bass Boost Remote Control

4-Channel Amplifier • 50 watts x 4 chan. @ 4 ohm • 90 watts x 4 chan. @ 2 ohm • Microprocessor Controlled • Thermal, DC, offset, reverse voltage, over voltage, short circuit protection • 0 - 18 dB Variable Bass Boost Remote Control

Diamond Audio TX300.4

300W RMS 4-Channel Class AB TX Series Amplifier (TX3004)

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300W RMS 4-Channel Class AB TX Series Amplifier (TX3004)

TX Series 4-Channel Class AB Amplifier • 50W x 4 Chan. @ 4 ohm • 75W x 4 Chan. @ 2 ohm • 150W x 2 Chan. @ 4 ohm • 3-Way System Protection • 4/3/2 Channel Operation • 4 Gauge Power and Ground Inputs • High Efficiency Thermal Convection Heat Sink

TX Series 4-Channel Class AB Amplifier • 50W x 4 Chan. @ 4 ohm • 75W x 4 Chan. @ 2 ohm • 150W x 2 Chan. @ 4 ohm • 3-Way System Protection • 4/3/2 Channel Operation • 4 Gauge Power and Ground Inputs • High Efficiency Thermal Convection Heat Sink

Audiobahn A4125HCT

4000W Max, High Current 4-Channel Amplifier

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4000W Max, High Current 4-Channel Amplifier

4000W Max, High Current Series 4-Channel Amplifier with Bass Remote • 2000W RMS @ 1 ohm • 1000W RMS @ 2 ohm • 500W RMS @ 4 ohm • Blue Illuminated VU Meter • Beautiful Chrome Design Heatsink • S/N Ratio: 100dB • Bass Boost: 0-18dB

4000W Max, High Current Series 4-Channel Amplifier with Bass Remote • 2000W RMS @ 1 ohm • 1000W RMS @ 2 ohm • 500W RMS @ 4 ohm • Blue Illuminated VU Meter • Beautiful Chrome Design Heatsink • S/N Ratio: 100dB • Bass Boost: 0-18dB

Orion ZO1500.4

1500W Peak (750W RMS) 4-Channel Amplifier

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1500W Peak (750W RMS) 4-Channel Amplifier

• 75 Watts RMS x 4 @ 4 ohm
• 90 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 1500 Watts
• Selectable Bass Boost: 0/+6/+12 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 9-1/4"W x 9-3/4"L x 2-1/4"H

• 75 Watts RMS x 4 @ 4 ohm
• 90 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 1500 Watts
• Selectable Bass Boost: 0/+6/+12 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 9-1/4"W x 9-3/4"L x 2-1/4"H

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** FREE SHIPPING WITHIN THE CONTINENTAL USA **
High Current Bridgable MOSFET 4-channel Power Amplifier

** FREE SHIPPING WITHIN THE CONTINENTAL USA **
High Current Bridgable MOSFET 4-channel Power Amplifier

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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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