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Discontinued 4-Channel Amplifiers

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Crunch GPA2000.4- OPEN BOX

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

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

• 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

• 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

Boss CX650 R/B

1000W Max 4-Channel Chaos Exxtreme Series Amplifier

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1000W Max 4-Channel Chaos Exxtreme Series Amplifier

Chaos Exxtreme Series 4-Channel Class AB Car Amplifier • 100W x 4 chan. @ 4 ohm • 250W x 4 chan. Max • Pulse width modulated (PWM) MOSFET power supply • Bridgeable operation • Speaker-level inputs

Chaos Exxtreme Series 4-Channel Class AB Car Amplifier • 100W x 4 chan. @ 4 ohm • 250W x 4 chan. Max • Pulse width modulated (PWM) MOSFET power supply • Bridgeable operation • Speaker-level inputs

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1200W Peak / 300W RMS x 4 Channel Viberant Series Amplifier • 2 Ohm stereo stable • Tri-mode capable • Remote Subwoofer Bass Control

1200W Peak / 300W RMS x 4 Channel Viberant Series Amplifier • 2 Ohm stereo stable • Tri-mode capable • Remote Subwoofer Bass Control

Rockford Fosgate Punch PBR300X4 OPEN BOX COMPLETE

300 Watts Punch Series Boosted Rail Compact 4-Channel Amplifier

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300 Watts Punch Series Boosted Rail Compact 4-Channel Amplifier

Item is used and has been previously installed
• RMS 75 x 1 @ 4 ohm
• Features Rockford Fosgate's Class-BR Topology
• CEA-2006 Compliant
• Ultra Compact Chassis
• Boosted Rail Design
• Dimensions: 6.75"L x 4.25"W x 1.53"H

Item is used and has been previously installed
• RMS 75 x 1 @ 4 ohm
• Features Rockford Fosgate's Class-BR Topology
• CEA-2006 Compliant
• Ultra Compact Chassis
• Boosted Rail Design
• Dimensions: 6.75"L x 4.25"W x 1.53"H

EXCLUSIVE

Hifonics ZXi150.4 + Amp Kit + RCAs

1200W RMS, Zeus Series 4-Channel Amplifier with Included 0 Gauge Amplifier Kit (ZXi 150.4)

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1200W RMS, Zeus Series 4-Channel Amplifier with Included 0 Gauge Amplifier Kit (ZXi 150.4)

Zeus Series 4 Channel Class A/B Car Amplifier • 300W x 4-Chan. @ 2 Ohm • 150W x 4-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • MOSFET Power Supply • Includes 0 AWG Amplifier Kit

Zeus Series 4 Channel Class A/B Car Amplifier • 300W x 4-Chan. @ 2 Ohm • 150W x 4-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • MOSFET Power Supply • Includes 0 AWG Amplifier Kit

Audiobahn A435HCT R/B

1120W Max, High Current 4-Channel Amplifier (Factory Refurbished)

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1120W Max, High Current 4-Channel Amplifier (Factory Refurbished)

1120W Max, High Current Series 4-Channel Amplifier • 560W RMS @ 1 ohm • 280W RMS @ 2 ohm • 140W RMS @ 4 ohm • Blue Illuminated VU Meter • Beautiful Chrome Design Heatsink • S/N Ratio: 100dB • Bass Boost: 0-18dB

1120W Max, High Current Series 4-Channel Amplifier • 560W RMS @ 1 ohm • 280W RMS @ 2 ohm • 140W RMS @ 4 ohm • Blue Illuminated VU Meter • Beautiful Chrome Design Heatsink • S/N Ratio: 100dB • Bass Boost: 0-18dB

Rockford Fosgate Punch P400-4 Open Box

Open Box 400W RMS, Punch Series Compact 4-Channel Amplifier

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Open Box 400W RMS, Punch Series Compact 4-Channel Amplifier

Punch Series 4-Channel Class AB Car Amplifier • 50W x 4 chan. @ 4 ohm • 110W x 4 chan. @ 2 ohm • Bridged, 4 ohm: 200W x 2 chan. • MOSFET power supply • RCA Pass-thru outputs

Punch Series 4-Channel Class AB Car Amplifier • 50W x 4 chan. @ 4 ohm • 110W x 4 chan. @ 2 ohm • Bridged, 4 ohm: 200W x 2 chan. • MOSFET power supply • RCA Pass-thru outputs

Kenwood KAC-8406 OPEN BOX COMPLETE

900W Max 4-Channel Class AB Performance Series Car Amplifier

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900W Max 4-Channel Class AB Performance Series Car Amplifier

Installed and used
• RMS Power: 70W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• Total Peak Power: 900W
• CEA-2006 Compliant
• Dimensions: 13-3/16" W x 7-9/16" D x 2-3/16" H

Installed and used
• RMS Power: 70W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• Total Peak Power: 900W
• CEA-2006 Compliant
• Dimensions: 13-3/16" W x 7-9/16" D x 2-3/16" H

Visonik V1004PB Factory Refurbished

PowerBloc Series 4-Channel Amplifier

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PowerBloc Series 4-Channel Amplifier

PB Series 4-Channel Class AB Car Amplifier • 125W x 4 chan. @ 4 ohm • 1000 watts Max • LED power and protection indicators • Tuned Bass EQ (0-18 dB bass boost) • Metallic finish and plating

PB Series 4-Channel Class AB Car Amplifier • 125W x 4 chan. @ 4 ohm • 1000 watts Max • LED power and protection indicators • Tuned Bass EQ (0-18 dB bass boost) • Metallic finish and plating

Phoenix Gold R5.0:4 R/B

(Factory Refurbished) Octane-R 5.0:4 4-Channel Amplifier

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(Factory Refurbished) Octane-R 5.0:4 4-Channel Amplifier

4 channel power amplifier • Variable high - and low-pass filters (40 - 400Hz @ 12 dB/octave) • Blue LED logo illumination and optional blue neon attachments • Preamp inputs • Requires 8-gauge power and ground leads — wiring and hardware not included with amplifier • Fuses: 25A x 2

4 channel power amplifier • Variable high - and low-pass filters (40 - 400Hz @ 12 dB/octave) • Blue LED logo illumination and optional blue neon attachments • Preamp inputs • Requires 8-gauge power and ground leads — wiring and hardware not included with amplifier • Fuses: 25A x 2

** CLOSEOUT!! ** Eclipse XA4000

4-Channel Class D ICEpower Technology Amplifier

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4-Channel Class D ICEpower Technology Amplifier

840 watts peak • 125W RMS x 4 chan. @ 4 ohm • 175W RMS x 4 chan. @ 2 ohm • High current, high efficiency FET power supply • "Easy Tune" top-mounted controls

840 watts peak • 125W RMS x 4 chan. @ 4 ohm • 175W RMS x 4 chan. @ 2 ohm • High current, high efficiency FET power supply • "Easy Tune" top-mounted controls

Soundstream PCA4.260 R/B

260W RMS, 4-Channel Picasso Series Amplifier

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260W RMS, 4-Channel Picasso Series Amplifier

4-Channel Picasso Series Amplifier • 40W RMS x 4 @ 4 • 130W RMS x 2 Bridged • High & Low Inputs • Line Out • PWM MOSFET Circutry • Tri-Guard • Tri-Mode Operation • Phase Inversion Switch

4-Channel Picasso Series Amplifier • 40W RMS x 4 @ 4 • 130W RMS x 2 Bridged • High & Low Inputs • Line Out • PWM MOSFET Circutry • Tri-Guard • Tri-Mode Operation • Phase Inversion Switch

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1000W 4 channel Plus Series Amplifier • 175W x 4 (@ 2 Ohm) power output • variable high/lo electronic crossover • variable bass boost • remote turn on/off • preamp outputs • power LED indicator • Soft turn-on circuit • MOSFET power supply • high and low

1000W 4 channel Plus Series Amplifier • 175W x 4 (@ 2 Ohm) power output • variable high/lo electronic crossover • variable bass boost • remote turn on/off • preamp outputs • power LED indicator • Soft turn-on circuit • MOSFET power supply • high and low

Power Acoustik OV4-1200 R/B

1200W Max Gothic Series 4-Channel Amplifier

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1200W Max Gothic Series 4-Channel Amplifier

1200W Max, Gothic Series 4-Channel Amplifier • PWM MOSFET power supply • Chrome top plate with blue LED indicator • Tri-Mode capable • High/low-level inputs • S/N/ ratio: 98 dB • Frequency Response: 10 Hz - 30,000 Hz

1200W Max, Gothic Series 4-Channel Amplifier • PWM MOSFET power supply • Chrome top plate with blue LED indicator • Tri-Mode capable • High/low-level inputs • S/N/ ratio: 98 dB • Frequency Response: 10 Hz - 30,000 Hz

Clarion XC1410 Like New, Demo Product

300W XC Series Micro 4-Channel Class-D Compact Design Car Amplifier

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300W XC Series Micro 4-Channel Class-D Compact Design Car Amplifier

Like new Damaged Package
• 50W x 4-Chan. @ 4 ohm
• 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4-Channel Operation
• 8 Gauge Power and Ground Inputs
• Micro Size Amplifier for Maximizing Space Saving Applications

Like new Damaged Package
• 50W x 4-Chan. @ 4 ohm
• 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4-Channel Operation
• 8 Gauge Power and Ground Inputs
• Micro Size Amplifier for Maximizing Space Saving Applications

Power Acoustik PS4-300 R/B

300W Max, Power Series 4-Channel Amplifier

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300W Max, Power Series 4-Channel Amplifier

Power Series 4-Channel Class A/B Car Amplifier • 300W Max • 50W x 4 Chan. @ 2 Ohm • 40W x 4 Chan. @ 4 Ohm • Tri-Mode Speaker Capability • Fully Selectable Crossover • 3-Way System Protection Circuitry

Power Series 4-Channel Class A/B Car Amplifier • 300W Max • 50W x 4 Chan. @ 2 Ohm • 40W x 4 Chan. @ 4 Ohm • Tri-Mode Speaker Capability • Fully Selectable Crossover • 3-Way System Protection Circuitry

FLI Audio Loaded 900s FL900S-F1 R/B

900W Max, 4-Channel Power Amplifier

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900W Max, 4-Channel Power Amplifier

Loaded Series 4-Channel Power Amplifier • 100 Watts x 4 Chan @ 4 Ohm • 115 Watts x 4 Chan. @ 2 Ohm • 900 Watts Max • Selectable Bass EQ • High-Level Inputs • Heavy Duty Aluminum Heatsink • Illuminated FLI Logo

Loaded Series 4-Channel Power Amplifier • 100 Watts x 4 Chan @ 4 Ohm • 115 Watts x 4 Chan. @ 2 Ohm • 900 Watts Max • Selectable Bass EQ • High-Level Inputs • Heavy Duty Aluminum Heatsink • Illuminated FLI Logo

Alpine MRP-F300 Open Box

(Open Box) 300W RMS, 4-Channel Amplifier

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(Open Box) 300W RMS, 4-Channel Amplifier

V Power Series 4-Channel Class AB Car Amplifier • 50W x 4 chan. @ 4 ohm • 75W x 4 chan. @ 2 ohm • 150W x 4 chan. Max • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Non-Fading pre-amp output • Thermal management control • 4/3/2 Channel design

V Power Series 4-Channel Class AB Car Amplifier • 50W x 4 chan. @ 4 ohm • 75W x 4 chan. @ 2 ohm • 150W x 4 chan. Max • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Non-Fading pre-amp output • Thermal management control • 4/3/2 Channel design

Pioneer GM-D8604 (Factory Refurbished)

600W RMS Class FD 4-Channel GM Digital Series Amplifier

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600W RMS Class FD 4-Channel GM Digital Series Amplifier

GM Digital Series 4-Channel Class FD Amplifier • 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

GM Digital Series 4-Channel Class FD Amplifier • 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

MB Quart RA1000.4-OPEN BOX

1000W 4-Channel Reference Series Bridgeable Power Amplifier (RA10004)

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1000W 4-Channel Reference Series Bridgeable Power Amplifier (RA10004)

• 125W x 4-Chan. @ 4 ohm
• 250W x 4-Chan. @ 2 ohm
• 500W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 125W x 4-Chan. @ 4 ohm
• 250W x 4-Chan. @ 2 ohm
• 500W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

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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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