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Discontinued 4-Channel Amplifiers

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JL Audio A6450

660W RMS, 6-Channel Class A/B A Series Amplifier

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660W RMS, 6-Channel Class A/B A Series Amplifier

A Series 6-Channel Class AB Car Amplifier • 110W x 6 chan. @ 2 ohm • MOSFET power supply • Absolute Symmetry• Class A/B Circuit • Preamp RCA inputs

A Series 6-Channel Class AB Car Amplifier • 110W x 6 chan. @ 2 ohm • MOSFET power supply • Absolute Symmetry• Class A/B Circuit • Preamp RCA inputs

TOTAL Mobile Audio TMA T4404

4-Channel Amplifier (TMA manufactured by JL Audio)

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4-Channel Amplifier (TMA manufactured by JL Audio)

4-Channel Amplifier • 90 watts RMS x 4 chan. @ 4 ohm • 110 watts RMS x 4 channels @ 2 ohm • 220 watts RMS x 2 channels @ 4 ohm • MOSFET Power Supply • High and Low Level Inputs • Variable High Pass/Low Pass Crossovers • 0 - 12dB Bass Boost • Frequency Response: 10Hz - 25kHz • THD: 0.1%

4-Channel Amplifier • 90 watts RMS x 4 chan. @ 4 ohm • 110 watts RMS x 4 channels @ 2 ohm • 220 watts RMS x 2 channels @ 4 ohm • MOSFET Power Supply • High and Low Level Inputs • Variable High Pass/Low Pass Crossovers • 0 - 12dB Bass Boost • Frequency Response: 10Hz - 25kHz • THD: 0.1%

Pioneer GM-D8604 Open Box Complete (Very Good, Used)

600W Class FD 4-Channel GM Digital Series Amplifier

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600W Class FD 4-Channel GM Digital Series Amplifier

• Item Condition: Open Box
• 100W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• 125W x 4-Chan. @ 1 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 4 Gauge Power and Ground Inputs
• High Power Capability with Small Size

• Item Condition: Open Box
• 100W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• 125W x 4-Chan. @ 1 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 4 Gauge Power and Ground Inputs
• High Power Capability with Small Size

Hifonics H351200.4 Hercules LTD (H35 1200.4)

1200W Hercules 35th Anniversary Limited Edition Super Class AB 2-Ohm Stable H35 1200.4 4-Channel Amplifier

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1200W Hercules 35th Anniversary Limited Edition Super Class AB 2-Ohm Stable H35 1200.4 4-Channel Amplifier

• 75 Watts x 4 @ 4 ohm
• 150 Watts x 4 @ 2 ohm
• 600 Watts x 2 @ Bridged
• Twin Turbo Coil PS Pulse Width Modulated MOSFET power supply
• Ultra-Fi output devices

• 75 Watts x 4 @ 4 ohm
• 150 Watts x 4 @ 2 ohm
• 600 Watts x 2 @ Bridged
• Twin Turbo Coil PS Pulse Width Modulated MOSFET power supply
• Ultra-Fi output devices

VIBE Audio LiteBox Stereo 4 (LiteBox4)

1000W Max, SuperCar Series 4-Channel Hybrid Amplifier (Lite Box 4, LITEBS4-V1)

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1000W Max, SuperCar Series 4-Channel Hybrid Amplifier (Lite Box 4, LITEBS4-V1)

SuperCar Series 4-Channel Class GH Car Amplifier • 90W x 4 Chan. @ 4 ohm • 125W x 4 Chan. @ 2 ohm • 1000W Max • MOSFET Power supply • Bass Boost EQ • Internal Convection Cooling • Aluminum Alloy Heatsink

SuperCar Series 4-Channel Class GH Car Amplifier • 90W x 4 Chan. @ 4 ohm • 125W x 4 Chan. @ 2 ohm • 1000W Max • MOSFET Power supply • Bass Boost EQ • Internal Convection Cooling • Aluminum Alloy Heatsink

Volfenhag ZX-8300

1200W Max, 4-Channel Ultra Slim Amplifier with Bass Remote

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1200W Max, 4-Channel Ultra Slim Amplifier with Bass Remote

1200 watts, 4-channel amplifier • Ultra slim 1-1/4" height • Blue light illumination • Tri-mode capable • Remote bass control • 2 ohm stereo stable, 4 ohm momo

1200 watts, 4-channel amplifier • Ultra slim 1-1/4" height • Blue light illumination • Tri-mode capable • Remote bass control • 2 ohm stereo stable, 4 ohm momo

EXCLUSIVE

JBL + Rockford Fosgate Full Range Amplified System w/ 5x7"/6x8" Speakers

JBL 5x7"/6x8" 2-Way GT7-Series Coaxial Speakers + Rockford Fosgate R300X4 4-Channel Class AB Amplifier + Rockford Fosgate Amp Kit

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JBL 5x7"/6x8" 2-Way GT7-Series Coaxial Speakers + Rockford Fosgate R300X4 4-Channel Class AB Amplifier + Rockford Fosgate Amp Kit

• 50W x 4-Chan. @ 4 ohm
• 1-3/16" PEI Edge Driven Dome Tweeter
• Polypropylene Plus One™ Cone and Foam Surround
• Variable Bass Boost
• Variable High-Pass Crossover
• CEA-2006 Compliant
• Soft Start Turn-On

• 50W x 4-Chan. @ 4 ohm
• 1-3/16" PEI Edge Driven Dome Tweeter
• Polypropylene Plus One™ Cone and Foam Surround
• Variable Bass Boost
• Variable High-Pass Crossover
• CEA-2006 Compliant
• Soft Start Turn-On

JBL CLUB-704

1000W Peak (400W RMS) Club Series 4-Channel Amplifier

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1000W Peak (400W RMS) Club Series 4-Channel Amplifier

• 70 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• 200 Watts RMS Bridged x 2 @ 4 ohm
• Total Peak Power: 1000 Watts
• Slim chassis provides more flexible mounting options
• Split-dome convection heat-sink for extreme heat dissipation

• 70 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• 200 Watts RMS Bridged x 2 @ 4 ohm
• Total Peak Power: 1000 Watts
• Slim chassis provides more flexible mounting options
• Split-dome convection heat-sink for extreme heat dissipation

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40W RMS x 4 Channel • 100 watts RMS x 2 bridged • Bass Engine with selectable low- and high-pass crossovers and tuned Bass EQ • preamp outputs

40W RMS x 4 Channel • 100 watts RMS x 2 bridged • Bass Engine with selectable low- and high-pass crossovers and tuned Bass EQ • preamp outputs

Crunch GPV 1200.4

1200W Maxx Ground Pounder Series 4-Channel Class A/B Car Amplifier

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1200W Maxx Ground Pounder Series 4-Channel Class A/B Car Amplifier

Ground Pounder Series 4-Channel Amplifier • MOSFET PWM Power Supply • LED Power/Protect Indicators • Soft Start Sound • High Level Inputs • Illuminated Crunch Badge • 4-Way Protection Circuitry • Full Range Line Output

Ground Pounder Series 4-Channel Amplifier • MOSFET PWM Power Supply • LED Power/Protect Indicators • Soft Start Sound • High Level Inputs • Illuminated Crunch Badge • 4-Way Protection Circuitry • Full Range Line Output

Autotek AT950

950W Max, 4-Channel Amplifier

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950W Max, 4-Channel Amplifier

Super Sport AT 4-Channel Class A/B Car Amplifier • 120 Watts x 4 Chan. @ 4 Ohm • 240 Watts x 4 Chan. @ 2 Ohm • Twin Coil MOSFET Auto Step Power Supply • Pro-Fi Outputs • Soft Start Turn-On • 4-Way System Protection •

Super Sport AT 4-Channel Class A/B Car Amplifier • 120 Watts x 4 Chan. @ 4 Ohm • 240 Watts x 4 Chan. @ 2 Ohm • Twin Coil MOSFET Auto Step Power Supply • Pro-Fi Outputs • Soft Start Turn-On • 4-Way System Protection •

Power Acoustik OV4-800

4-Channel Gothic Series Amplifier

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4-Channel Gothic Series Amplifier

800 watt 4-channel Gothic Series car amplifier • 105 watts RMS x 4 chan @ 2 ohm • 85 watts RMS x 4 chan. @ 4 ohm • Bridgeable • S/N Ratio: >97 dB

800 watt 4-channel Gothic Series car amplifier • 105 watts RMS x 4 chan @ 2 ohm • 85 watts RMS x 4 chan. @ 4 ohm • Bridgeable • S/N Ratio: >97 dB

FLI Audio FU720.4-F1A

720W, 4 Channel FU Class AB Car Amplifier

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720W, 4 Channel FU Class AB Car Amplifier

FLI Underground 4-Channel Amplifier • Class AB Circuitry • 70W x 4 Chan. @ 4 ohm • 90W x 4 Chan. @ 2 ohm • 720 Watts Max • Selectable Bass Boost • 4/3/2 Channel Operation • Cooling Fan

FLI Underground 4-Channel Amplifier • Class AB Circuitry • 70W x 4 Chan. @ 4 ohm • 90W x 4 Chan. @ 2 ohm • 720 Watts Max • Selectable Bass Boost • 4/3/2 Channel Operation • Cooling Fan

RE Audio DTX-750.4 (DTX750.4)

320W DTX Series Class AB 4-Channel Amplifier

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320W DTX Series Class AB 4-Channel Amplifier

• 60W x 4-Chan. @ 4 ohm
• 80W x 4-Chan. @ 2 ohm
• 4-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Variable Bass Boost (0-12 dB)

• 60W x 4-Chan. @ 4 ohm
• 80W x 4-Chan. @ 2 ohm
• 4-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Variable Bass Boost (0-12 dB)

Power Acoustik D4-1800

1800W 4-Channel Demon Series MOSFET Power Amplifier with Remote Subwoofer Level Control

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1800W 4-Channel Demon Series MOSFET Power Amplifier with Remote Subwoofer Level Control

Demon Series 4-Channel Class AB Car Amplifier • 1800W 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 • 1800W Peak • Regulated PWM MOSFET Power Supply • Remote Subwoofer Level Control • LED Power and Protection Indicators • Bass Boost • 2-Way System Protection Circuitry

Alpine MRV-F300 OPEN BOX COMPLETE

300W 4-Channel Class D V-Power Series Compact Car Amplifier

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300W 4-Channel Class D V-Power Series Compact Car Amplifier

Opened and Never Installed
• RMS Power: 50W x 4-Chan. @ 4 ohm, 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Same Power in a 40% Smaller Chassis

Opened and Never Installed
• RMS Power: 50W x 4-Chan. @ 4 ohm, 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Same Power in a 40% Smaller Chassis

Alpine PDX-F4

400W PDX Series 4-Channel Power Density Digital Class D Car Amplifier

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400W PDX Series 4-Channel Power Density Digital Class D Car Amplifier

• RMS Power: 100W x 4-Chan. @ 4 ohm
• 400 Watts RMS
• Class D
• Variable High-Pass and Low-Pass Filter
• Blue LED Power/Status Indicator
• Compact Size

• RMS Power: 100W x 4-Chan. @ 4 ohm
• 400 Watts RMS
• Class D
• Variable High-Pass and Low-Pass Filter
• Blue LED Power/Status Indicator
• Compact Size

Hifonics HFi100.4

800W RMS, 4-Channel HFi Series Amplifier (HFi 100.4)

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800W RMS, 4-Channel HFi Series Amplifier (HFi 100.4)

HFi Series 4-Channel Class A/B Car Amplifier • 200W x 4-Chan. @ 2 Ohm • 100W x 4-Chan. @ 4 Ohm • Tri-Mode Speaker Operation • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

HFi Series 4-Channel Class A/B Car Amplifier • 200W x 4-Chan. @ 2 Ohm • 100W x 4-Chan. @ 4 Ohm • Tri-Mode Speaker Operation • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

Soundstream PX4.580

580W RMS, Picasso Series 4-Channel Amplifier

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580W RMS, Picasso Series 4-Channel Amplifier

4-Channel Picasso Series Car Amplifier • Class AB • 100W x 4 Chan. @ 4 ohm • 145W x 4 Chan. @ 2 ohm • Selectable Bass Boost • Platinum-Plated Contacts • Tri-Guard Protection Circuitry

4-Channel Picasso Series Car Amplifier • Class AB • 100W x 4 Chan. @ 4 ohm • 145W x 4 Chan. @ 2 ohm • Selectable Bass Boost • Platinum-Plated Contacts • Tri-Guard Protection Circuitry

Soundstream TA4.280

280W 4-Channel Tarantula Series Class AB Amplifier

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280W 4-Channel Tarantula Series Class AB Amplifier

• RMS Power: 50W x 4 @ 4 ohm, 70W x 4 @ 2 ohm
• High and Low Pass Filters
• Dimensions: 8" W x 12" L x 2" H

• RMS Power: 50W x 4 @ 4 ohm, 70W x 4 @ 2 ohm
• High and Low Pass Filters
• Dimensions: 8" W x 12" L x 2" 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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