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Discontinued 4-Channel Amplifiers

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Crunch PZA1200.4

1200W 4-Channel Class A/B Power Zone Series Car Amplifier

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1200W 4-Channel Class A/B Power Zone Series Car Amplifier

4-Channel Power Zone Series Amplifier • Bass Boost (0-12 dB @ 45Hz) • Preamp RCA Outputs • 4-Way System Protection Circuitry • Heavy Duty Aluminum Alloy Heatsink • Fully Adjustable 12 dB Crossover • Nickle-Plated RCA Level Inputs

4-Channel Power Zone Series Amplifier • Bass Boost (0-12 dB @ 45Hz) • Preamp RCA Outputs • 4-Way System Protection Circuitry • Heavy Duty Aluminum Alloy Heatsink • Fully Adjustable 12 dB Crossover • Nickle-Plated RCA Level Inputs

Rockford Fosgate P600X4-OPEN BOX

600W Punch Series 4-Channel Stereo Class AB Car Power Amplifier

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600W Punch Series 4-Channel Stereo Class AB Car Power Amplifier

• 75W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• Built In NOMAD "Real Time" Analog Computer
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• MESHA3 Reduces MOSFET Temperatures for Improved Durability

• 75W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• Built In NOMAD "Real Time" Analog Computer
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• MESHA3 Reduces MOSFET Temperatures for Improved Durability

Hifonics ZRX600.4-OPEN BOX

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

Sound Storm (SSL) F4.1200 R/B

1200W Max, 4-Channel Amplifier

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1200W Max, 4-Channel Amplifier

Force Series 4-Channel Class A/B Amplifier • 110 Watts x 4 Chan @ 4 Ohm • 1200 Watts Max • Chrome-Plated RCA Level Inputs And Screw Terminals • LED Power and Protect Indicators • Line and speaker-level inputs

Force Series 4-Channel Class A/B Amplifier • 110 Watts x 4 Chan @ 4 Ohm • 1200 Watts Max • Chrome-Plated RCA Level Inputs And Screw Terminals • LED Power and Protect Indicators • Line and speaker-level inputs

Crunch PZ3000.4 (Factory Refurbished)

3000W PowerZone Series 4-Channel Car Audio Amplifier

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3000W PowerZone Series 4-Channel Car Audio Amplifier

• 3000 Watts Max
• 750 Watts x 4-Chan. @ 2 Ohm
• Selectable Highpass/Lowpass Filters
• Speaker-level (high-level) inputs
• Signal to Noise Ration: >90 dB

• 3000 Watts Max
• 750 Watts x 4-Chan. @ 2 Ohm
• Selectable Highpass/Lowpass Filters
• Speaker-level (high-level) inputs
• Signal to Noise Ration: >90 dB

MTX Audio TC4004 R/B

1200W Max, Thunder TC 4-Channel Amplifier

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1200W Max, Thunder TC 4-Channel Amplifier

1200 watts Max, Class A/B 4-Channel Amplifier • 100 watts x 4 chan. @ 2 ohm • 200 watts x 2 chan. @ 4 ohm Bridged • CEA-2006 Compliant • 12 dB per Octave, Adjustable High Pass and Low Pass Crossover • Smart Engage Auto Turn-On for easy installation with factory radios • Frequency Response: 20 - 20,000 Hz

1200 watts Max, Class A/B 4-Channel Amplifier • 100 watts x 4 chan. @ 2 ohm • 200 watts x 2 chan. @ 4 ohm Bridged • CEA-2006 Compliant • 12 dB per Octave, Adjustable High Pass and Low Pass Crossover • Smart Engage Auto Turn-On for easy installation with factory radios • Frequency Response: 20 - 20,000 Hz

MTX TD75.4 R/B

4-Channel TD Series Class A/B Car Amplifier

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4-Channel TD Series Class A/B Car Amplifier

4-Channel TD Series Class A/B Car Amplifier • 4 ohm: 75 watts x 4 chan. • 2 ohm: 100 watts x 4 chan. • Bridged, 4 Ohm: 200 x 2 chan. • 4/3/2 channel operation

4-Channel TD Series Class A/B Car Amplifier • 4 ohm: 75 watts x 4 chan. • 2 ohm: 100 watts x 4 chan. • Bridged, 4 Ohm: 200 x 2 chan. • 4/3/2 channel operation

Boss CX800 R/B

1600W Max 4-Channel Chaos Exxtreme Series Amplifier

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1600W Max 4-Channel Chaos Exxtreme Series Amplifier

Chaos Exxtreme 4-Channel Class AB Car Amplifier • 150W x 4 chan. @ 4 ohm • 400W x 4 chan Max • Speaker-level inputs with soft turn-on • Thermal and short circuit protection circuitry

Chaos Exxtreme 4-Channel Class AB Car Amplifier • 150W x 4 chan. @ 4 ohm • 400W x 4 chan Max • Speaker-level inputs with soft turn-on • Thermal and short circuit protection circuitry

MB Quart NAU 660 Open Box

540W Max, Nautic Series 6-Channel Marine Amplifier (NAU660)

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540W Max, Nautic Series 6-Channel Marine Amplifier (NAU660)

Nautic Series 6-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 6 Chan. @ 4 Ohm • 90W x 6 Chan. @ 2 Ohm • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs

Nautic Series 6-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 6 Chan. @ 4 Ohm • 90W x 6 Chan. @ 2 Ohm • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs

RE Audio XTX-800.4 (XTX800.4) R/B

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

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

XTX Series 4-Channel Full Range Digital Car Amplifier • 800W Dynamic • 2-Way System Protection • Brushed Aluminum Alloy Convection Cooled Heatsink • Variable High/Low-Pass Filter • Selectable Bass Boost

XTX Series 4-Channel Full Range Digital Car Amplifier • 800W Dynamic • 2-Way System Protection • Brushed Aluminum Alloy Convection Cooled Heatsink • Variable High/Low-Pass Filter • Selectable Bass Boost

Alpine MRV-F345 Refurbished

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

Boss CE1404

1400W Chaos Epic Series 4-Channel Power Amplifier with Line and Speaker Level Inputs

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1400W Chaos Epic Series 4-Channel Power Amplifier with Line and Speaker Level Inputs

Chaos Epic Series 4-Channel Power Amplifier • 680W RMS • 1400W 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 • 680W RMS • 1400W Max • MOSFET Power Supply • LED Power and Protect Indicators • Variable Input Gain Control • 2-Way System Protection Circuitry • Heavy Duty Black Anodized Aluminum Heatsink

MB Quart NAU 460 Open Box

(Open Box) 360W Max, Nautic Series 4-Channel Marine Amplifier

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(Open Box) 360W Max, Nautic Series 4-Channel Marine Amplifier

Nautic Series 4-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 4 Chan. @ 4 Ohm • 90W x 4 Chan. @ 2 Ohm • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs

Nautic Series 4-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 4 Chan. @ 4 Ohm • 90W x 4 Chan. @ 2 Ohm • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs

Hifonics TX4405 R/B

220W RMS Titan Series 4-Channel Amplifier

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220W RMS Titan Series 4-Channel Amplifier

4-Channel Class-A/B Amplifier • 110W RMS x 4 @ 2 • 220W RMS x 2 @ 4 • Accu-Cross • Line Output • 18dB Bass Boost • Variable Input Sensitivity

4-Channel Class-A/B Amplifier • 110W RMS x 4 @ 2 • 220W RMS x 2 @ 4 • Accu-Cross • Line Output • 18dB Bass Boost • Variable Input Sensitivity

Hifonics X1200.4-RB (Factory Refurbished)

1200W BRUTUS X-14 Series 4-Channel Class AB Car Amplifier

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1200W BRUTUS X-14 Series 4-Channel Class AB Car Amplifier

• Item Condition: Factory Refurbished
• RMS Power: 150W x 4 @ 4 ohm, 300W x 4 @ 2 ohm, 600W x 2 @ 4 ohm Bridged
• Total Peak Power: 1200W
• CEA-2006 Compliant/Preamp Outputs/LPF
• 17.72"W x 2.5"H x 9.49"L

• Item Condition: Factory Refurbished
• RMS Power: 150W x 4 @ 4 ohm, 300W x 4 @ 2 ohm, 600W x 2 @ 4 ohm Bridged
• Total Peak Power: 1200W
• CEA-2006 Compliant/Preamp Outputs/LPF
• 17.72"W x 2.5"H x 9.49"L

NVX JAD800.4

True 1600 Watt Peak 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)

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True 1600 Watt Peak 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)

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

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

Autotek AXL4050.4 (Factory Refurbished)

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

MB Quart OA800.4- OPEN BOX INCOMPLETE

800W 4-Channel Onyx Series Full Range Bridgeable Power Amplifier

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800W 4-Channel Onyx Series Full Range Bridgeable Power Amplifier

• 100W x 4-Chan. @ 4 ohm
• 200W x 4-Chan. @ 2 ohm
• 400W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 100W x 4-Chan. @ 4 ohm
• 200W x 4-Chan. @ 2 ohm
• 400W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

Infinity Reference 5350a R/B

5-Channel Reference Series Amplifier (REF5350A)

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5-Channel Reference Series Amplifier (REF5350A)

Reference Series Class AB 5-Channel Amplifier • 50W x 4 chan. + 150 watts x 1 chan. @ 4 ohm • 60W x 4 chan. + 300 watts x 1 chan. @ 2 ohm • 89W x 4 chan. Max • MOSFET power supply • Gold-plated preamp RCA outputs

Reference Series Class AB 5-Channel Amplifier • 50W x 4 chan. + 150 watts x 1 chan. @ 4 ohm • 60W x 4 chan. + 300 watts x 1 chan. @ 2 ohm • 89W x 4 chan. Max • MOSFET power supply • Gold-plated preamp RCA outputs

JL Audio Slash v2 300/4v2 R/B

(Factory Refurbished) 300W RMS, Slash Version 2 Series 4-Channel Amplifier

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(Factory Refurbished) 300W RMS, Slash Version 2 Series 4-Channel Amplifier

Slash v2 Series 4-Channel Class AB Car Amplifier • 75W x 4 chan. @ 4 ohm • MOSFET power supply • Differential-balanced with RCA jack inputs • Preamp RCA outputs

Slash v2 Series 4-Channel Class AB Car Amplifier • 75W x 4 chan. @ 4 ohm • MOSFET power supply • Differential-balanced with RCA jack inputs • Preamp RCA outputs

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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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