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Alpine PDR-F50

500W PDR Series 4/3/2 Channel Class D Digital Amplifier

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500W PDR Series 4/3/2 Channel Class D Digital Amplifier

• RMS Power: 85W x 4 @ 4 ohm, 125W x 2 @ 2 ohm, 250W x 2 @ 4 ohm, Bridged
• CEA-2006 Compliant Amplifier
• Rotatable Illuminated Alpine Badge
• Top-Side Control Panel w/ Removable Cover
• Voltage ON/OFF Sensing for OEM Upgrade
• Dimensions: 9"W x 6.5"L x 2.0"H

• RMS Power: 85W x 4 @ 4 ohm, 125W x 2 @ 2 ohm, 250W x 2 @ 4 ohm, Bridged
• CEA-2006 Compliant Amplifier
• Rotatable Illuminated Alpine Badge
• Top-Side Control Panel w/ Removable Cover
• Voltage ON/OFF Sensing for OEM Upgrade
• Dimensions: 9"W x 6.5"L x 2.0"H

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1000W 4 channel Blue Wave Series Amplifier • 250W x 4 power output • dual variable high/lo electronic crossover • dual variable bass boost • remote turn on/off • preamp outputs • power LED indicator • LED protection indicator • MOSFET power supply

1000W 4 channel Blue Wave Series Amplifier • 250W x 4 power output • dual variable high/lo electronic crossover • dual variable bass boost • remote turn on/off • preamp outputs • power LED indicator • LED protection indicator • MOSFET power supply

Power Acoustik GT4-2600

2600W 4-Channel Gothic Series Class AB Car Amplifier

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2600W 4-Channel Gothic Series Class AB Car Amplifier

• 4 ohm: 215 watts x 4-Chan.
• 2 ohm: 275 watts x 4-Chan.
• Bridged, 4 ohm: 550 x 2 chan.
• Max power output: 2600 watts

• 4 ohm: 215 watts x 4-Chan.
• 2 ohm: 275 watts x 4-Chan.
• Bridged, 4 ohm: 550 x 2 chan.
• Max power output: 2600 watts

Boston Acoustics GT-40

490W RMS, 4-Channel Amplifier

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490W RMS, 4-Channel Amplifier

2-Channel High Current Amplifier • 75W x 4 @ 2 Ohm • 145W x 4 @ 4 Ohm (Bridged) • 200W x 2 @ 2 Ohm (Bridged) • Built-In Crossover • DPS • Q-Tune

2-Channel High Current Amplifier • 75W x 4 @ 2 Ohm • 145W x 4 @ 4 Ohm (Bridged) • 200W x 2 @ 2 Ohm (Bridged) • Built-In Crossover • DPS • Q-Tune

Polk Audio PA500.4

800W Max, 4-Channel Amplifier

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800W Max, 4-Channel Amplifier

PA Series 4-Channel Class AB Car Amplifier • 90W x 4 chan. @ 4 ohm • 125W x 4 chan. @ 2 ohm • 250W x 2 chan. @ 4 ohm • 4/3/2 channel operation • Preamp RCA outputs

PA Series 4-Channel Class AB Car Amplifier • 90W x 4 chan. @ 4 ohm • 125W x 4 chan. @ 2 ohm • 250W x 2 chan. @ 4 ohm • 4/3/2 channel operation • Preamp RCA outputs

Soundstream TRA960.4

960 watts, Tarantula Series 4-Channel Amplifier

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960 watts, Tarantula Series 4-Channel Amplifier

4-Channel Amplifier • 240W x 4 chan. @ 2 Ohm • 480W x 2 chan. @ 4 Ohm bridged • Double sided glass epoxy circuit board • SMT cooling fan • Tri-mode capable • Line output • PWM MOSFET power supply

4-Channel Amplifier • 240W x 4 chan. @ 2 Ohm • 480W x 2 chan. @ 4 Ohm bridged • Double sided glass epoxy circuit board • SMT cooling fan • Tri-mode capable • Line output • PWM MOSFET power supply

EFX 300c4 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 • 60 Watts x 4 Chan. @ 4 Ohm • 75 Watts x 4 Chan. @ 2 Ohm • 600 Watts RMS • Multi-Mode Capability • Speaker-Level Inputs • 5-Way System Protection • Low Noise Circuitry

EFX 4-Channel Class A/B Car Amplifier • 60 Watts x 4 Chan. @ 4 Ohm • 75 Watts x 4 Chan. @ 2 Ohm • 600 Watts RMS • Multi-Mode Capability • Speaker-Level Inputs • 5-Way System Protection • Low Noise Circuitry

Precision Power PPI DCX 300.4

Class-AB 4-Channel Competition Car Amplifier

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Class-AB 4-Channel Competition Car Amplifier

Class-AB 4-Channel Amplifier • 50W RMS x 4 @ 4 • 150W RMS x 2 @ 4 Bridged • QBASS Bass Boost • RCA Output • Phase Control • Adjustable Input Gain • Independant Output Crossover • PowerLOCK Connectors

Class-AB 4-Channel Amplifier • 50W RMS x 4 @ 4 • 150W RMS x 2 @ 4 Bridged • QBASS Bass Boost • RCA Output • Phase Control • Adjustable Input Gain • Independant Output Crossover • PowerLOCK Connectors

SoundStorm (SSL) SSL400.4

400W 4-Channel Edge Series Class A/B Car Amplifier

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400W 4-Channel Edge Series Class A/B Car Amplifier

• RMS: 50W x 1 @ 4 ohm, 100W x 2 @ 2 ohm
• Total Peak Power: 400W
• 4 or 2-Channel Operation
• Variable high-pass filter
• Heavy duty aluminum Alloy Heat-Sink

• RMS: 50W x 1 @ 4 ohm, 100W x 2 @ 2 ohm
• Total Peak Power: 400W
• 4 or 2-Channel Operation
• Variable high-pass filter
• Heavy duty aluminum Alloy Heat-Sink

JL Audio Slash v2 450/4v2

450W RMS, Slash Version 2 Series 4-Channel Amplifier

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450W RMS, Slash Version 2 Series 4-Channel Amplifier

Slash v2 Series 4-Channel Class AB Car Amplifier • 150W x 2 chan. @ 4 ohm • MOSFET power supply • Differential-balanced with RCA jack inputs • Preamp RCA outputs

Slash v2 Series 4-Channel Class AB Car Amplifier • 150W x 2 chan. @ 4 ohm • MOSFET power supply • Differential-balanced with RCA jack inputs • Preamp RCA outputs

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4 Channel Bridgeable MOSFET Power Amplifier • V-flex double bump suspension • 1000 watts Total Power • Bass Remote Control • Gold Plated RCA Jacks

4 Channel Bridgeable MOSFET Power Amplifier • V-flex double bump suspension • 1000 watts Total Power • Bass Remote Control • Gold Plated RCA Jacks

Planet Audio TR2400.4

2400W Max (450 W RMS) Torque Class-A/B 4-Chan. 2 ohm Stable Amp with Remote Level Control Included

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2400W Max (450 W RMS) Torque Class-A/B 4-Chan. 2 ohm Stable Amp with Remote Level Control Included

• 225W RMS x 4 @ 4 ohm
• 450W RMS x 4 @ 2 ohm
• 900W RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 2400 Watts
• High and Low Pass Filters
• 0 - 18 dB Bass Boost
• Aluminum Heatsink
• Dimensions: 9.5" W x 15.56" L x 2.125" H

• 225W RMS x 4 @ 4 ohm
• 450W RMS x 4 @ 2 ohm
• 900W RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 2400 Watts
• High and Low Pass Filters
• 0 - 18 dB Bass Boost
• Aluminum Heatsink
• Dimensions: 9.5" W x 15.56" L x 2.125" H

Boston Acoustics GTA-704

500W 4-Channel Class AB GTA Series Amplifier

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500W 4-Channel Class AB GTA Series Amplifier

GTA Series Class AB 4-Channel Amplifier • 70W x 4 Chan. @ 4 Ohm • 125W x 4 Chan. @ 2 Ohm • Symmetrical Signal Topology • Q-Tune Circuitry • Integral Mounting System • Wrap-Around Heatsink Design

GTA Series Class AB 4-Channel Amplifier • 70W x 4 Chan. @ 4 Ohm • 125W x 4 Chan. @ 2 Ohm • Symmetrical Signal Topology • Q-Tune Circuitry • Integral Mounting System • Wrap-Around Heatsink Design

Rockford Fosgate R300X4 Open Box Complete (Very Good, Used)

300W 4-Channel Class AB Prime Series Full Range Amplifier

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300W 4-Channel Class AB Prime Series Full Range Amplifier

• Item Condition: Open Box
• 50W x 4-Chan. @ 4 ohm
• 75W x 4-Chan. @ 2 ohm
• 150W x 2 Chan. @ 4 ohm Bridged
• Selectable Bass Boost, Punch EQ
• Variable High-Pass & Low-Pass Crossover
• CEA-2006 Compliant
• Soft Start Turn-On

• Item Condition: Open Box
• 50W x 4-Chan. @ 4 ohm
• 75W x 4-Chan. @ 2 ohm
• 150W x 2 Chan. @ 4 ohm Bridged
• Selectable Bass Boost, Punch EQ
• Variable High-Pass & Low-Pass Crossover
• CEA-2006 Compliant
• Soft Start Turn-On

Hifonics Zeus ZRX600.4

600W 4-Channel Class A/B Zeus Series Car Amplifier

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600W 4-Channel Class A/B Zeus Series Car Amplifier

• 4 ohm: 75 watts x 4-Chan.
• 2 ohm: 150 watts x 4-Chan.
• Bridged, 4 ohm: 300 watts x 2 chan.
• Pulse Width Modulated MOSFET power supply

• 4 ohm: 75 watts x 4-Chan.
• 2 ohm: 150 watts x 4-Chan.
• Bridged, 4 ohm: 300 watts x 2 chan.
• Pulse Width Modulated MOSFET power supply

Clarion XH5410

640W Max XH Series 4-Channel Amplifier

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640W Max XH Series 4-Channel Amplifier

HX Series 4-Channel Class AB Car Amplifier • 160W x 4 Chan. @ 2 Ohm • 90W x 4 Chan. @ 4 Ohm • Built-In Ground Loop Isolation • Crossover Frequency Multiplier Control • Remote Turn-On With Soft Start

HX Series 4-Channel Class AB Car Amplifier • 160W x 4 Chan. @ 2 Ohm • 90W x 4 Chan. @ 4 Ohm • Built-In Ground Loop Isolation • Crossover Frequency Multiplier Control • Remote Turn-On With Soft Start

NVX JAD800.4 Open Box Missing (Good, Used)

True 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4) Open Box Missing (Good, Used)

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True 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4) Open Box Missing (Good, Used)

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

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

Lanzar OPTI250X4

2000W Optidrive Series 4-Channel Class A/B Amplifier

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2000W Optidrive Series 4-Channel Class A/B Amplifier

• 4 ohm: 250 watts x 4-Chan.
•2 ohm: 500 watts x 4-Chan.
• Max Bridged, 4 ohm: 2000 watts x 2 chan.
• Max power output: 2000 watts x 2 chan.

• 4 ohm: 250 watts x 4-Chan.
•2 ohm: 500 watts x 4-Chan.
• Max Bridged, 4 ohm: 2000 watts x 2 chan.
• Max power output: 2000 watts x 2 chan.

Hifonics Helios 4-Channel Amplifier

Hifonics 35th Anniversary 2400W Max (1200W RMS) CTA-2006 Rated Super A/B Class 4-channel Car Amplifier

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Hifonics 35th Anniversary 2400W Max (1200W RMS) CTA-2006 Rated Super A/B Class 4-channel Car Amplifier

• Helios 35th Year Anniversary Car Amplifier
• 150 Watts RMS x 4 @ 4 ohm
• 300 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 1200 Watts
• CTA-2006B Compliant
• Wired remote bass level control included
• Wired remote bass level control included
• Ultra-Fi MOSFET power supply

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• Helios 35th Year Anniversary Car Amplifier
• 150 Watts RMS x 4 @ 4 ohm
• 300 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 1200 Watts
• CTA-2006B Compliant
• Wired remote bass level control included
• Wired remote bass level control included
• Ultra-Fi MOSFET power supply

Crunch GPV2400.4

2400W Max, 4-Channel Ground Pounder Series Class A/B Car Amplifier

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2400W Max, 4-Channel Ground Pounder Series Class A/B Car Amplifier

4-Channel Ground Pounder Series Class A/B Car Amplifier • 4 ohm: 300 watts x 4 chan. • 2 ohm: 600 watts x 4 chan. • Bridged, 4 ohm: 1200 watts x 2 chan. • Pulse Width Modulated MOSFET power supply • Soft start turn-on

4-Channel Ground Pounder Series Class A/B Car Amplifier • 4 ohm: 300 watts x 4 chan. • 2 ohm: 600 watts x 4 chan. • Bridged, 4 ohm: 1200 watts x 2 chan. • Pulse Width Modulated MOSFET power supply • Soft start turn-on

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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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