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Discontinued 4-Channel Amplifiers

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Soundstream XTA480.4

480 watts, 4-Channel Xstream Series Amplifier XTA 480.4

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480 watts, 4-Channel Xstream Series Amplifier XTA 480.4

480W RMS 4 channel Xstream Series • 120W x 4 channel power output at 2 ohm • 60W x 4 channel at 4 ohm • Bass EQ Control • Drive Delay II • Selectable X-Over HPF / Full / LPF

480W RMS 4 channel Xstream Series • 120W x 4 channel power output at 2 ohm • 60W x 4 channel at 4 ohm • Bass EQ Control • Drive Delay II • Selectable X-Over HPF / Full / LPF

JBL GTO-504EZ

640W 4-Channel GTO Series Class A/B Car Amplifier

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640W 4-Channel GTO Series Class A/B Car Amplifier

• 4 ohm: 50 watts x 4-Chan.
• 2 ohm: 75 watts x 4-Chan.
• Bridged; 4 ohm: 150 watts x 2 chan.
• Max power output: 160 watts x 4-Chan.

• 4 ohm: 50 watts x 4-Chan.
• 2 ohm: 75 watts x 4-Chan.
• Bridged; 4 ohm: 150 watts x 2 chan.
• Max power output: 160 watts x 4-Chan.

Audiobahn A4004T

800W Max, 4-Channel Intake Series Amplifier

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800W Max, 4-Channel Intake Series Amplifier

800W Max, Intake 4-Channel Amplifier • Optional bass remote and digital volt-meter display available and sold separately • Class A/B • 400W RMS @ 2 ohm • 200W RMS @ 4 ohm • Preamp outputs • Cobalt Blue Illumination • Intake cooling fan • 4-way protection circuitry

800W Max, Intake 4-Channel Amplifier • Optional bass remote and digital volt-meter display available and sold separately • Class A/B • 400W RMS @ 2 ohm • 200W RMS @ 4 ohm • Preamp outputs • Cobalt Blue Illumination • Intake cooling fan • 4-way protection circuitry

MB Quart ZA2-1000.4 w/ Universal Bluetooth Controller Knob

1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier w/ Universal Bluetooth Audio Controller Knob

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1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier w/ Universal Bluetooth Audio Controller Knob

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• NVX XUBT3 Universal Bluetooth Knob for Cars, Trucks, Motorcycles, ATVs & Boats

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• NVX XUBT3 Universal Bluetooth Knob for Cars, Trucks, Motorcycles, ATVs & Boats

Autotek SM4-1000

1000W Max, 4-Channel Street Machines Series Car Amplifier

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1000W Max, 4-Channel Street Machines Series Car Amplifier

Street Machine AT 4-Channel Class A/B Car Amplifier • 1000 Watts Max • 500 Watts RMS • Twin Coil MOSFET Auto Step Power Supply • Pro-Fi Outputs • Soft Start Turn-On • 4-Way System Protection Circuitry • Bass Boost

Street Machine AT 4-Channel Class A/B Car Amplifier • 1000 Watts Max • 500 Watts RMS • Twin Coil MOSFET Auto Step Power Supply • Pro-Fi Outputs • Soft Start Turn-On • 4-Way System Protection Circuitry • Bass Boost

SoundStorm (SSL) PSY1600.4

1600W Class AB 4-Channel Psyclone Series Car Amplifier

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1600W Class AB 4-Channel Psyclone Series Car Amplifier

• 150W RMS x 4-Chan. @ 4 ohm
• Max 400W x 4-Chan. @ 2 ohm
• Max 800W x 2 Chan. @ 4 ohm
• 2-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Silver Anodized Heatsink

• 150W RMS x 4-Chan. @ 4 ohm
• Max 400W x 4-Chan. @ 2 ohm
• Max 800W x 2 Chan. @ 4 ohm
• 2-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Silver Anodized Heatsink

Power Acoustik BAMF-1600/4

1600W 4-Channel Class A/B BAMF Series Amplifier

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1600W 4-Channel Class A/B BAMF Series Amplifier

• 150W x 4-Chan. @ 4Ohm
• 180W x 4-Chan. @ 2Ohm
• 1600W Max
• MOSFET power supply
• Full Selectable Crossover
• Tri-mode capable
• Heavy duty aluminum alloy heatsink

• 150W x 4-Chan. @ 4Ohm
• 180W x 4-Chan. @ 2Ohm
• 1600W Max
• MOSFET power supply
• Full Selectable Crossover
• Tri-mode capable
• Heavy duty aluminum alloy heatsink

Sony XM-4S

Slim Series 4-Channel Amplifier

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Slim Series 4-Channel Amplifier

Slim Series 4-Channel Amplifier • RMS Power Output: 4 ohm: 50 watts x 4 / 2 ohm: 60 watts x 4 • Frequency Response: 5 Hz - 100 kHz • Harmonic Distortion:: 0.005% • Built in Protection Circuit • Speaker-level inputs with high-level sensing turn-on • Preamp inputs and outputs

Slim Series 4-Channel Amplifier • RMS Power Output: 4 ohm: 50 watts x 4 / 2 ohm: 60 watts x 4 • Frequency Response: 5 Hz - 100 kHz • Harmonic Distortion:: 0.005% • Built in Protection Circuit • Speaker-level inputs with high-level sensing turn-on • Preamp inputs and outputs

Rockford Fosgate Prime R400-4D

400W 4-Channel Class D Prime Series Full Range Amplifier

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400W 4-Channel Class D Prime Series Full Range Amplifier

• 75W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 200W x 2 Chan. @ 4 ohm Bridged
• Variable Bass Boost
• Variable High-Pass Crossover
• CEA-2006 Compliant

• 75W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 200W x 2 Chan. @ 4 ohm Bridged
• Variable Bass Boost
• Variable High-Pass Crossover
• CEA-2006 Compliant

Precision Power PPI S760.4

760W Sedona Series 4-Channel Amplifier

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760W Sedona Series 4-Channel Amplifier

• 760W Max
• 190W x 4-Chan @ 2 Ohm
• 120W x 4-Chan @ 4 Ohm
• IDI Intelligent Distress Indicator
• Tri-Mode Capable
• Soft Start Turn-On
• Platinum-Plated Terminals

• 760W Max
• 190W x 4-Chan @ 2 Ohm
• 120W x 4-Chan @ 4 Ohm
• IDI Intelligent Distress Indicator
• Tri-Mode Capable
• Soft Start Turn-On
• Platinum-Plated Terminals

Alpine MRV-F345

4-Channel Class A/B Amplifier

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4-Channel Class A/B Amplifier

85 watts RMS x 4 at 2 ohm • BassEngine® with variable high-pass/low-pass crossovers and subsonic filter • Amp Link • preamp outputs

85 watts RMS x 4 at 2 ohm • BassEngine® with variable high-pass/low-pass crossovers and subsonic filter • Amp Link • preamp outputs

Rockford Fosgate Prime R600-4D

600W 4-Channel Class D Prime Series Full Range Amplifier


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600W 4-Channel Class D Prime Series Full Range Amplifier

• 100W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• 300W x 2 Chan. @ 4 ohm Bridged
• Variable Bass Boost
• Variable High-Pass Crossover
• CEA-2006 Compliant

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• 100W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• 300W x 2 Chan. @ 4 ohm Bridged
• Variable Bass Boost
• Variable High-Pass Crossover
• CEA-2006 Compliant

RE Audio XTX-800.4

800W 4-Channel Full Range Digital XTX Series Car Amplifier

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800W 4-Channel Full Range Digital XTX Series Car Amplifier

• 4 ohm: 60 watts x 4 chan, 2 ohm: 90 watts x 4 chan
• 800W Dynamic
• 2-Way System Protection
• Brushed Aluminum Alloy Convection Cooled Heatsink
• Variable High/Low-Pass Filter
• Selectable Bass Boost

• 4 ohm: 60 watts x 4 chan, 2 ohm: 90 watts x 4 chan
• 800W Dynamic
• 2-Way System Protection
• Brushed Aluminum Alloy Convection Cooled Heatsink
• Variable High/Low-Pass Filter
• Selectable Bass Boost

Hifonics ZXi 4406

400 watts, Zeus ZXi 4-Channel Amplifier ZXi4406

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400 watts, Zeus ZXi 4-Channel Amplifier ZXi4406

400W Zeus ZXi 4406 4-Channel Amplifier • 55W x 4 chan. @ 4 Ohm • 110W x 4 chan. @ 2 Ohm • 3-channel mode • MOSFET outputs • illuminated Hifonics logo • remote bass control

400W Zeus ZXi 4406 4-Channel Amplifier • 55W x 4 chan. @ 4 Ohm • 110W x 4 chan. @ 2 Ohm • 3-channel mode • MOSFET outputs • illuminated Hifonics logo • remote bass control

Crunch GPA2000.4 Open Box Complete

2000W 4-Channel Ground Pounder Series A/B Class Amplifier

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2000W 4-Channel Ground Pounder Series A/B Class Amplifier

• Item Condition: Open Box Complete
• RMS Power: 250W x 4 @ 4 ohm, 500W x 4 @ 2 ohm, 1000 x 2 @ 4 ohm Mono Bridged
• Total Peak Power: 2000W
• Variable Bass Boost
• Speaker Level Inputs
• 9.05"W x 13.93"L x 2.29"H

• Item Condition: Open Box Complete
• RMS Power: 250W x 4 @ 4 ohm, 500W x 4 @ 2 ohm, 1000 x 2 @ 4 ohm Mono Bridged
• Total Peak Power: 2000W
• Variable Bass Boost
• Speaker Level Inputs
• 9.05"W x 13.93"L x 2.29"H

Power Acoustik CPT4-1400

1400W CRYPT Series 4-Channel Amplifier

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1400W CRYPT Series 4-Channel Amplifier

• 120W x 4-Chan @ 4 ohm
• 150W x 4-Chan @ 2 ohm
• MOSFET PSU Transistors
• LED Indicators
• Selectable Bass Boost
• Aluminum Alloy Heatsink
• 3-Way System Protection Circuitry

• 120W x 4-Chan @ 4 ohm
• 150W x 4-Chan @ 2 ohm
• MOSFET PSU Transistors
• LED Indicators
• Selectable Bass Boost
• Aluminum Alloy Heatsink
• 3-Way System Protection Circuitry

Soundstream RUB4.500

500W RMS, Rubicon Series 4-Channel Class AB Car Amplifier

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500W RMS, Rubicon Series 4-Channel Class AB Car Amplifier

Rubicon Series 4-Channel Car Amplifier • 75 watts x 4 chan @ 4 Ohm • 125 watts x 4 chan @ 2 Ohm • Platinum 4 AWG Power Block • LED Protection Indicator • Tri-Mode Capable • Aluminum Alloy Heatsink

Rubicon Series 4-Channel Car Amplifier • 75 watts x 4 chan @ 4 Ohm • 125 watts x 4 chan @ 2 Ohm • Platinum 4 AWG Power Block • LED Protection Indicator • Tri-Mode Capable • Aluminum Alloy Heatsink

Audiopipe APCL-1004

1000W Consumer Line Series 4-Channel Class AB Amplifier

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1000W Consumer Line Series 4-Channel Class AB Amplifier

• RMS Power: 50W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• Total Peak Power: 1000W
• Adjustable High and Low Pass Crossovers
• High Quality Aluminum Heat Sink
• Dimensions: 6.9" W x 13.1" L x 2.16" H

• RMS Power: 50W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• Total Peak Power: 1000W
• Adjustable High and Low Pass Crossovers
• High Quality Aluminum Heat Sink
• Dimensions: 6.9" W x 13.1" L x 2.16" H

Boss D550.4

2200W Max, 4-Channel Diablo Series Amplifier (D5504)

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2200W Max, 4-Channel Diablo Series Amplifier (D5504)

Diablo Series 4-Channel Class AB Car Amplifier • 230W x 4 chan. @ 4 ohm • 550W x 2 chan. Max • MOSFET power supply • LED power and protection indicators • Variable high/low pass crossovers

Diablo Series 4-Channel Class AB Car Amplifier • 230W x 4 chan. @ 4 ohm • 550W x 2 chan. Max • MOSFET power supply • LED power and protection indicators • Variable high/low pass crossovers

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Open Box, Very Good Condition (Used)

• 4 ohm: 60 watts x 4 chan.
• 2 ohm: 70 watts x 4 chan.
• Rear Channel Bridged, 4 ohm: 160 watts x 1 chan.
• CEA-2006 Compliant Amplifier
• OTL Output Transformerless Circuit Pulse Power Supply
• 4/3 or 2 channel operation
• Speaker-level (high-level) inputs
• Gold plated speaker and power terminals

• 4 ohm: 60 watts x 4 chan.
• 2 ohm: 70 watts x 4 chan.
• Rear Channel Bridged, 4 ohm: 160 watts x 1 chan.
• CEA-2006 Compliant Amplifier
• OTL Output Transformerless Circuit Pulse Power Supply
• 4/3 or 2 channel operation
• Speaker-level (high-level) inputs
• Gold plated speaker and power terminals

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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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