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** BELOW COST!! ** Xtant X604

4-Channel Amplifier

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4-Channel Amplifier

600 Watt 4-Channel Amplifier • 150W x 4 @ 2 Ohm • Stainless Steel Finish • 3-Way Protection Circuitry • PWM MOSFET Power Supply • LED Status Indicators • RCA Outputs

600 Watt 4-Channel Amplifier • 150W x 4 @ 2 Ohm • Stainless Steel Finish • 3-Way Protection Circuitry • PWM MOSFET Power Supply • LED Status Indicators • RCA Outputs

Hifonics Zeus ZXi40.4

320W RMS, Zeus Series 4-Channel Amplifier (ZXi 40.4)

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320W RMS, Zeus Series 4-Channel Amplifier (ZXi 40.4)

Zeus Series 4 Channel Class A/B Car Amplifier • 80W x 4-Chan. @ 2 Ohm • 40W 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 • 80W x 4-Chan. @ 2 Ohm • 40W x 4-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • MOSFET Power Supply • Silver-Plated RCA Inputs

Phoenix Gold RSd 500.4 (RSd500.4)

540W RMS, Radial Sd Series 4-Channel Amplifier

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540W RMS, Radial Sd Series 4-Channel Amplifier

Radial Sd Series 4-Channel Class AB Car Amplifier • 135W x 4 Chan. @ 2 Ohm • 85W x 4 Chan. @ 4 Ohm • IRFZ44 Power Supply MOSFETs • Triple Darlington Output • Dual Differential Topology • Poly Film Box Capacitors

Radial Sd Series 4-Channel Class AB Car Amplifier • 135W x 4 Chan. @ 2 Ohm • 85W x 4 Chan. @ 4 Ohm • IRFZ44 Power Supply MOSFETs • Triple Darlington Output • Dual Differential Topology • Poly Film Box Capacitors

Power Acoustik D4-1000B

1000W Max 4 Channel Class A/B Demon Series Car Amplifier

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1000W Max 4 Channel Class A/B Demon Series Car Amplifier

Demon Series 4-Channel Class AB Car Amplifier • 4 ohm: 80 watts x 4 chan. • 2 ohm: 110 watts x 4 chan. • Bridged, 4 ohm: 220 watts x 2 chan. • Max power output: 1000 watts • Regulated PWM MOSFET Power Supply

Demon Series 4-Channel Class AB Car Amplifier • 4 ohm: 80 watts x 4 chan. • 2 ohm: 110 watts x 4 chan. • Bridged, 4 ohm: 220 watts x 2 chan. • Max power output: 1000 watts • Regulated PWM MOSFET Power Supply

Boss PH4.700

2800W, 4 Channel Phantom Series Amplifier

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2800W, 4 Channel Phantom Series Amplifier

Phantom Series 4-Channel Class A/B Car Amplifier • 280W x 4 chan. @ 4 ohm • 700W x 4 chan. Max • MOSFET PWM Power Supply • Includes Bass Remote • Trimode Operation • Thermal and Speaker Short Protection

Phantom Series 4-Channel Class A/B Car Amplifier • 280W x 4 chan. @ 4 ohm • 700W x 4 chan. Max • MOSFET PWM Power Supply • Includes Bass Remote • Trimode Operation • Thermal and Speaker Short Protection

Autotek MM4020.4 (MM40204)

4000W Max Mean Machine Series 2 ohm Stable 4 Channel Class-A/B Amplifier

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4000W Max Mean Machine Series 2 ohm Stable 4 Channel Class-A/B Amplifier

• 500 Watts Max x 4 @ 4 ohm
• 1000 Watts Max x 4 @ 2 ohm
• 2000 Watts Max x 2 @ 4 ohm
• Total Peak Power: 4000 Watts
• High and Low Pass Filters
• 0-9dB Bass Boost
• Aluminum Heatsink

• 500 Watts Max x 4 @ 4 ohm
• 1000 Watts Max x 4 @ 2 ohm
• 2000 Watts Max x 2 @ 4 ohm
• Total Peak Power: 4000 Watts
• High and Low Pass Filters
• 0-9dB Bass Boost
• Aluminum Heatsink

Rockford Fosgate Power T800-4AD

800W 4-Channel Class AD Power Series Car Amplifier

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800W 4-Channel Class AD Power Series Car Amplifier

• 4 ohm: 150 watts x 4-Chan.
• 2 ohm: 150 watts x 4-Chan.
• 1 ohm: 200 watts x 4-Chan.
• Bridged, 4 ohm: 300 watts x 2 chan.
• Bridged, 2 ohm: 400 watts x 2 chan.

• 4 ohm: 150 watts x 4-Chan.
• 2 ohm: 150 watts x 4-Chan.
• 1 ohm: 200 watts x 4-Chan.
• Bridged, 4 ohm: 300 watts x 2 chan.
• Bridged, 2 ohm: 400 watts x 2 chan.

TOTAL Mobile Audio T320.4 Open Box

(Open Box) 320W Max, 4-Channel Full-Range Amplifier (MPN #99309)

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(Open Box) 320W Max, 4-Channel Full-Range Amplifier (MPN #99309)

TMA 4-Channel Class a/B Car Amplifier • 320 Watts Max • 80 Watts X 4 Channels @ 2 Ohm • 60 Watts X 4 Channels @ 4 Ohm • Linear Complementary Bi-Polar Design • High Speaker-Level Inputs • System Protection Circuitry

TMA 4-Channel Class a/B Car Amplifier • 320 Watts Max • 80 Watts X 4 Channels @ 2 Ohm • 60 Watts X 4 Channels @ 4 Ohm • Linear Complementary Bi-Polar Design • High Speaker-Level Inputs • System Protection Circuitry

JL Audio G4500

1000W Max, 4-Channel G-Series Amplifier

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1000W Max, 4-Channel G-Series Amplifier

JL Audio G-Series 4-Channel Class A/B Car Amplifier • 80W x 4 Chan. @ 4 ohm • 125W x 4 Chan. @ 2 ohm • Bridged 250W x 2 Chan. @ 4 ohm • 400 watts x 2 Chan. Max • Selectable Bass Boost • Preamp RCA Outputs

JL Audio G-Series 4-Channel Class A/B Car Amplifier • 80W x 4 Chan. @ 4 ohm • 125W x 4 Chan. @ 2 ohm • Bridged 250W x 2 Chan. @ 4 ohm • 400 watts x 2 Chan. Max • Selectable Bass Boost • Preamp RCA Outputs

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4-Channel Amplifier

300 Watt 4 Channel Amplifier • 75W RMS x 2 Chan. @ 2 Ohm • HPF(15Hz-1.5kHz)/LPF(50Hz-5kHz) • RCA Outputs • 4 Gauge Power Connectors • 10 Gauge Speaker Connectors

300 Watt 4 Channel Amplifier • 75W RMS x 2 Chan. @ 2 Ohm • HPF(15Hz-1.5kHz)/LPF(50Hz-5kHz) • RCA Outputs • 4 Gauge Power Connectors • 10 Gauge Speaker Connectors

Alphasonik PMZ12005A

5-Channel Class A/B Amplifier

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5-Channel Class A/B Amplifier

5-Channel Class A/B Bipolar Power Amplifier • 75W x 4 chan. + 200W x 1 chan. @ 4 Ohm • 120W x 4 chan. + 320W x 1 chan. @ 2 Ohm • 150W x 2 chan. @ 4 Ohm • 320W x 1 chan. @ 4 Ohm

5-Channel Class A/B Bipolar Power Amplifier • 75W x 4 chan. + 200W x 1 chan. @ 4 Ohm • 120W x 4 chan. + 320W x 1 chan. @ 2 Ohm • 150W x 2 chan. @ 4 Ohm • 320W x 1 chan. @ 4 Ohm

Autotek MM75.4 R/B

500W RMS Mean Machine Series 4-Channel Amplifier

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500W RMS Mean Machine Series 4-Channel Amplifier

Mean Machine Series Monoblock Car Amplifier • 75 Watts x 4 Chan @ 4 Ohm • 125 Watts x 4 Chan @ 2 Ohm • MOSFET Power Supply • LED Power Indicators • TCID (Twin Coil Isolation Design)

Mean Machine Series Monoblock Car Amplifier • 75 Watts x 4 Chan @ 4 Ohm • 125 Watts x 4 Chan @ 2 Ohm • MOSFET Power Supply • LED Power Indicators • TCID (Twin Coil Isolation Design)

Infinity Reference 7541a

4-Channel Amplifier

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4-Channel Amplifier

656 watts max 4-channel amplifier • Optional bass remote • 4 ohm: 278 watts RMS x 2 chan.• RCA and speaker level inputs • Bass boost 0 - 12dB

656 watts max 4-channel amplifier • Optional bass remote • 4 ohm: 278 watts RMS x 2 chan.• RCA and speaker level inputs • Bass boost 0 - 12dB

RCA RC200.4A

800W Max, 4-Channel Amplifier

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800W Max, 4-Channel Amplifier

800W Max 4-Channel Amplifier • 100W x 4 chan. @ 4 Ohm • tri-mode capable • RCA and speaker level inputs • MOSFET power supply • soft turn-on circuit

800W Max 4-Channel Amplifier • 100W x 4 chan. @ 4 Ohm • tri-mode capable • RCA and speaker level inputs • MOSFET power supply • soft turn-on circuit

(2) Alpine BBXF1200

600 Watt Max 4-Channel Class A/B Car Audio Amplifier

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600 Watt Max 4-Channel Class A/B Car Audio Amplifier

• 50 Watts RMS x 4 @ 4 ohm
• 70 Watts RMS x 4 @ 2 ohm
• 130 Watts RMS x 2 @ 4 ohm
• Total Peak Power: 600 Watts
• High and Low Pass Filters
• 0-12dB Bass Boost
• Aluminum Heatsink
• Dimensions: 9.4" W x 12.9" L x 2" H

• 50 Watts RMS x 4 @ 4 ohm
• 70 Watts RMS x 4 @ 2 ohm
• 130 Watts RMS x 2 @ 4 ohm
• Total Peak Power: 600 Watts
• High and Low Pass Filters
• 0-12dB Bass Boost
• Aluminum Heatsink
• Dimensions: 9.4" W x 12.9" L x 2" H

Soundstream BXA4-1800

1800W Peak (800W RMS) Bass Xtreme Series 4-Channel Class A/B Amplifier

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1800W Peak (800W RMS) Bass Xtreme Series 4-Channel Class A/B Amplifier

• 150 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier

• 150 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier

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400 Watt 4-channel A/B bipolar power amplifier • 100W x 4 @ 2 ohm RMS • 60W x 4 @4 ohm RMS • Bass boost • High/Low crossover

400 Watt 4-channel A/B bipolar power amplifier • 100W x 4 @ 2 ohm RMS • 60W x 4 @4 ohm RMS • Bass boost • High/Low crossover

MTX Thunder Elite 404 (TE404)

4-Channel Thunder Elite Amplifier

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4-Channel Thunder Elite Amplifier

Thunder Elite Series 4-Channel Class AB Car Amplifier • 65W x 4 chan. @ 4 ohm • 100W x 4 chan. @ 2 ohm • 800W Max • Semi Unregulated MOSFET • 4/3/2/1 channel operation • Overload and thermal protection

Thunder Elite Series 4-Channel Class AB Car Amplifier • 65W x 4 chan. @ 4 ohm • 100W x 4 chan. @ 2 ohm • 800W Max • Semi Unregulated MOSFET • 4/3/2/1 channel operation • Overload and thermal protection

Image Dynamics SQ800.4 (Open Box Complete)

1600W Peak (800W RMS) SQ Series Full-Range Class-D 4-Channel Amplifier

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1600W Peak (800W RMS) SQ Series Full-Range Class-D 4-Channel Amplifier

• 100 Watts RMS x 4 @ 4 ohm
• 200 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 1600 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• Variable Bass Boost: 0 to +18 dB bass boost at 40 Hz
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation

• 100 Watts RMS x 4 @ 4 ohm
• 200 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 1600 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• Variable Bass Boost: 0 to +18 dB bass boost at 40 Hz
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation

Crunch PZ1800.4

1800W PowerZone Series 4-Channel Car Audio Amplifier

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1800W PowerZone Series 4-Channel Car Audio Amplifier

• 1800 Watts Max
• 400 Watts x 4-Chan. @ 2 Ohm
• 4-Way System Protection
• Selectable Highpass/Lowpass Filters

• 1800 Watts Max
• 400 Watts x 4-Chan. @ 2 Ohm
• 4-Way System Protection
• Selectable Highpass/Lowpass Filters

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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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