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Phoenix Gold R8.0:4 R/B

(Factory Refurbished) Octane-R 8.0:4 4-Channel Amplifier

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(Factory Refurbished) Octane-R 8.0:4 4-Channel Amplifier

800 watts Max, Class A/B 4 Channel Amplifier • 125 watts x 4 chan. @ 2 ohm • Variable Twin "T" bass EQ boost (0 - 15 dB boost @ 45Hz) • Preamp inputs • Preamp outputs •Variable High Pass and Low Pass Crossover (40-400Hz @ 12 dB/octave)

800 watts Max, Class A/B 4 Channel Amplifier • 125 watts x 4 chan. @ 2 ohm • Variable Twin "T" bass EQ boost (0 - 15 dB boost @ 45Hz) • Preamp inputs • Preamp outputs •Variable High Pass and Low Pass Crossover (40-400Hz @ 12 dB/octave)

Hifonics ZXi 8008 R/B

740W RMS Zeus ZXi Series 5-Channel Amplifier (ZXi8008)

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740W RMS Zeus ZXi Series 5-Channel Amplifier (ZXi8008)

Zeus ZXi Series 5-Channel Class AB Car Amplifier • 55W x 4 chan. + 200W x 1 chan. @ 4 ohm • 110W x 4 chan. + 300W x 1 chan. @ 2 ohm • 220W x 2 chan. + 200W x 1 chan. @ 4 ohm • DC, short, thermal, and overload protection circuitry

Zeus ZXi Series 5-Channel Class AB Car Amplifier • 55W x 4 chan. + 200W x 1 chan. @ 4 ohm • 110W x 4 chan. + 300W x 1 chan. @ 2 ohm • 220W x 2 chan. + 200W x 1 chan. @ 4 ohm • DC, short, thermal, and overload protection circuitry

Power Acoustik GT4-400 OPEN BOX COMPLETE

400W 4-Channel Gothic Series Class AB Car Amplifier

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400W 4-Channel Gothic Series Class AB Car Amplifier

Installed and Used. Bottom of Amp has markings from Dynamat
• 4 ohm: 45 watts x 4-Chan.
• 2 ohm: 75 watts x 4-Chan.
• Max power output: 400 watts
• MOSFET power supply
• 4/3/2 Channel Operation

Installed and Used. Bottom of Amp has markings from Dynamat
• 4 ohm: 45 watts x 4-Chan.
• 2 ohm: 75 watts x 4-Chan.
• Max power output: 400 watts
• MOSFET power supply
• 4/3/2 Channel Operation

Kicker 08ZX650.4 Open Box

(Open Box) 650W RMS, 4-Channel ZX Series Amplifier (ZX650.4, 08ZX6504, ZX6504)

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(Open Box) 650W RMS, 4-Channel ZX Series Amplifier (ZX650.4, 08ZX6504, ZX6504)

ZX Series 4-Channel Class AB Car Amplifier • 120W x 4 chan. @ 4 ohm • 170W x 4 chan. @ 2 ohm • 325W x 2 chan. @ 4 ohm • 650W x 4 chan. Max • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

ZX Series 4-Channel Class AB Car Amplifier • 120W x 4 chan. @ 4 ohm • 170W x 4 chan. @ 2 ohm • 325W x 2 chan. @ 4 ohm • 650W x 4 chan. Max • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

Orion XTR2504 R/B

Factory Refurbished 500W Max, 4-Channel XTR Series Amplifier with Crossover

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Factory Refurbished 500W Max, 4-Channel XTR Series Amplifier with Crossover

XTR Series 4-Channel Car Amplifier • 65W x 4 Chan. @ 4 ohm • Low-level RCA Inputs • Adjustable bass boost • 6/5/4/3/2 Channel operation • High- and low-pass filter

XTR Series 4-Channel Car Amplifier • 65W x 4 Chan. @ 4 ohm • Low-level RCA Inputs • Adjustable bass boost • 6/5/4/3/2 Channel operation • High- and low-pass filter

EXCLUSIVE

MB Quart ONX4.60 + Amplifier Kit Bundle

480W Max, 4-Channel ONYX Amplifier + Raptor 4 Gauge Amp Kit + Cache CTM Sound Dampening Material

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480W Max, 4-Channel ONYX Amplifier + Raptor 4 Gauge Amp Kit + Cache CTM Sound Dampening Material

ONYX Series 4-Channel Class A/B Car Amplifier • PWM MOSFET Power Supply • 4-way Protection Circuitry • Variable Low-Pass Filter • Variable High-Pass Filter • Amplifier Installation Kit with RCA Interconnect Cable • Designed for Systems Up to 1000W • Five 18" x 32" Pieces of Dead Shield Sound Dampening Material

ONYX Series 4-Channel Class A/B Car Amplifier • PWM MOSFET Power Supply • 4-way Protection Circuitry • Variable Low-Pass Filter • Variable High-Pass Filter • Amplifier Installation Kit with RCA Interconnect Cable • Designed for Systems Up to 1000W • Five 18" x 32" Pieces of Dead Shield Sound Dampening Material

Renegade Speakers + Power Acoustik Amplifier Bundle

6-1/2" RX6.2C RX Series Component Speakers + Power Acoustik CPT4-1200 Amp + Amp Kit + Sound Dampening

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6-1/2" RX6.2C RX Series Component Speakers + Power Acoustik CPT4-1200 Amp + Amp Kit + Sound Dampening

6-1/2" RX Series 2-Way Car Component Speakers • 400W Max • 200W RMS • Power Acoustik CRYPT Series 4-Channel Class A/B Car Amplifier • MOSFET Power Supply • 3-Way System Protection Circuitry • Amplifier Kit • Sound Dampening Material

6-1/2" RX Series 2-Way Car Component Speakers • 400W Max • 200W RMS • Power Acoustik CRYPT Series 4-Channel Class A/B Car Amplifier • MOSFET Power Supply • 3-Way System Protection Circuitry • Amplifier Kit • Sound Dampening Material

EXCLUSIVE

RE Audio Speakers and Sub + Hifonics H35 Amp Bundle

XXX-6.5C 6.5" Speakers + SEXv2-12D2 750W 12" Subwoofer + H351200.4 4-Ch Hercules Series Amp + TC6KIT-0B 1/0G OFC Amp Kit & BBIC5 2-Ch RCA

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XXX-6.5C 6.5" Speakers + SEXv2-12D2 750W 12" Subwoofer + H351200.4 4-Ch Hercules Series Amp + TC6KIT-0B 1/0G OFC Amp Kit & BBIC5 2-Ch RCA

• • Speakers: Peak Power: 300W
• RMS Power: 150W
• • Subwoofer: RMS Power: 750W
• Amplifier: 75 Watts RMS x 4 @ 4 ohm
• 150 Watts RMS x 4 @ 2 ohm
• 600 Watts RMS x 2 @ Bridged
• 1/0 Gauge Power Amplifier Installation Kit
• 2 Channel RCA Audio Interconnect Cable

• • Speakers: Peak Power: 300W
• RMS Power: 150W
• • Subwoofer: RMS Power: 750W
• Amplifier: 75 Watts RMS x 4 @ 4 ohm
• 150 Watts RMS x 4 @ 2 ohm
• 600 Watts RMS x 2 @ Bridged
• 1/0 Gauge Power Amplifier Installation Kit
• 2 Channel RCA Audio Interconnect Cable

Hifonics Zeus ZXi80.4 (Factory Refurbished)

640W RMS, Zeus Series 4-Channel Amplifier (ZXi 80.4)

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640W RMS, Zeus Series 4-Channel Amplifier (ZXi 80.4)

Zeus Series 4 Channel Class A/B Car Amplifier • 160W x 4-Chan. @ 2 Ohm • 80W x 4-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • MOSFET Power Supply • Silver-Plated RCA Inputs

Zeus Series 4 Channel Class A/B Car Amplifier • 160W x 4-Chan. @ 2 Ohm • 80W x 4-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • MOSFET Power Supply • Silver-Plated RCA Inputs

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38W RMS x 4 at 4 ohm • 150W RMS x 2 in bridged mode • 75W RMS x 4 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm mono stable

38W RMS x 4 at 4 ohm • 150W RMS x 2 in bridged mode • 75W RMS x 4 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm mono stable

Infinity K4 Amplifier with Clari-fi Technology (Open Box)

1500W Peak (480W RMS) High Performance Kappa Series Class-D 4-Channel 2-Ohm Stable Amplifier with Bluetooth and Clari-Fi Technology

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1500W Peak (480W RMS) High Performance Kappa Series Class-D 4-Channel 2-Ohm Stable Amplifier with Bluetooth and Clari-Fi Technology

• Item Condition: Like New Open Box
• 100 Watts RMS x 4 @ 4 ohm
• 120 Watts RMS x 4 @ 2 ohm
• 240 Watts RMS x 2 @ 4 ohm Bridged
• Total Peak Power: 1500 Watts
• Bluetooth Streaming
• Clari-fi™ Technology
• Wired control panel
• Speaker-level (high-level) inputs

• Item Condition: Like New Open Box
• 100 Watts RMS x 4 @ 4 ohm
• 120 Watts RMS x 4 @ 2 ohm
• 240 Watts RMS x 2 @ 4 ohm Bridged
• Total Peak Power: 1500 Watts
• Bluetooth Streaming
• Clari-fi™ Technology
• Wired control panel
• Speaker-level (high-level) inputs

Focal FPX4.400SQ (Open Box, Complete)

4-Channel Class AB Amplifier (4 x 70W RMS @ 4 ohms)

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4-Channel Class AB Amplifier (4 x 70W RMS @ 4 ohms)

• 4-Channel Class AB Amplifier
• 120W RMS x 4 at 4 ohm
• 185 W RMS x 4 at 2 ohm
• Bridged mode (4 Ohm): 370W RMS x 2
• Very small size for amount of power output
• Audiophile Sanken Transistors

• 4-Channel Class AB Amplifier
• 120W RMS x 4 at 4 ohm
• 185 W RMS x 4 at 2 ohm
• Bridged mode (4 Ohm): 370W RMS x 2
• Very small size for amount of power output
• Audiophile Sanken Transistors

JL Audio 500/5 R/B

Factory Refurbished - 5-Channel Slash Series Amplifier

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Factory Refurbished - 5-Channel Slash Series Amplifier

5-Channel Power Amplifier • (100W x 2 front chan.) + (25W x 2 rear chan.) + (250W x 1 sub chan.) • 108.5 dB S/N Ratio for front/rear channels • 98.5 dB S/N Ratio for sub chan. • 1.5 ohm - 4 ohm stable

5-Channel Power Amplifier • (100W x 2 front chan.) + (25W x 2 rear chan.) + (250W x 1 sub chan.) • 108.5 dB S/N Ratio for front/rear channels • 98.5 dB S/N Ratio for sub chan. • 1.5 ohm - 4 ohm stable

Crunch PZ1200.4 (Factory Refurbished)

1200W PowerZone Series 4-Channel Class AB Car Audio Amplifier

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1200W PowerZone Series 4-Channel Class AB Car Audio Amplifier

• 1200 Watts Max
• 300 Watts x 4-Chan. @ 2 Ohm
• 4-Way System Protection
• Selectable Highpass/Lowpass Filters
• Speaker-level (high-level) inputs
• Signal to Noise Ration: >90 dB

• 1200 Watts Max
• 300 Watts x 4-Chan. @ 2 Ohm
• 4-Way System Protection
• Selectable Highpass/Lowpass Filters
• Speaker-level (high-level) inputs
• Signal to Noise Ration: >90 dB

Autotek ATX950.4 (Factory Refurbished)

950W Max 4-Channel Class AB ATX Series Amplifier

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950W Max 4-Channel Class AB ATX Series Amplifier

• ATX Series 4-Channel Class A/B Car Amplifier
• 950 Watts Max
• 240 Watts x 4 Chan @ 2 Ohm
• Military Grade PCB Design
• 0 to +12 dB Bass Boost
• Speaker-Level Inputs
• Preamp RCA Outputs

• ATX Series 4-Channel Class A/B Car Amplifier
• 950 Watts Max
• 240 Watts x 4 Chan @ 2 Ohm
• Military Grade PCB Design
• 0 to +12 dB Bass Boost
• Speaker-Level Inputs
• Preamp RCA Outputs

Kicker Amplifier and Speaker Bundle

6-3/4" KS650.2 Component Car Speakers + Kicker IX500.4 4-Channel Class D Amplifier + Kit + Sound Damp

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6-3/4" KS650.2 Component Car Speakers + Kicker IX500.4 4-Channel Class D Amplifier + Kit + Sound Damp

6-3/4" KS Series Component System • 300W Max • 150W RMS • IX Series 4-Channel Class D Car Amplifier • MOSFET Power Supply • CEA-2006 Compliant Amplifier • Amplifier Kit • Sound Dampening Material

6-3/4" KS Series Component System • 300W Max • 150W RMS • IX Series 4-Channel Class D Car Amplifier • MOSFET Power Supply • CEA-2006 Compliant Amplifier • Amplifier Kit • Sound Dampening Material

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

• 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

• 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

JBL GX-A604 OPEN BOX

435W 4-Channel GX Series Amplifier

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435W 4-Channel GX Series Amplifier

• RMS Power: 60W x 4 @ 4 ohm, 85W x 4 @ 2 ohm
• Total Peak Power: 435W
• High and Low Pass Filters
• Dimensions: 8-1/8" W x 11-13/16" L x 2-1/16" H

• RMS Power: 60W x 4 @ 4 ohm, 85W x 4 @ 2 ohm
• Total Peak Power: 435W
• High and Low Pass Filters
• Dimensions: 8-1/8" W x 11-13/16" L x 2-1/16" H

MB Quart DSC 480 Open Box

(Open Box) 640W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC480)

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(Open Box) 640W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC480)

Discus Series 4-Channel Class AB Car Amplifier • 80W x 4 Chan. @ 4 Ohm • 160W x 4 Chan. @ 2 Ohm • 320W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

Discus Series 4-Channel Class AB Car Amplifier • 80W x 4 Chan. @ 4 Ohm • 160W x 4 Chan. @ 2 Ohm • 320W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

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1400 Watt 4-Channel Class-A/B Amplfier • 100W RMS x 4 @ 4 Ohm • 700W Peak x 2 chan. @ 2 Ohm • Tri-Mode Operation • Soft Start Circuitry

1400 Watt 4-Channel Class-A/B Amplfier • 100W RMS x 4 @ 4 Ohm • 700W Peak x 2 chan. @ 2 Ohm • Tri-Mode Operation • Soft Start Circuitry

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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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