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Discontinued 4-Channel Amplifiers

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Cadence TXA3004 (Factory Refurbished)

4 Channel TXA Series 2-Ohm Stable Bridgeable Amplifier

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4 Channel TXA Series 2-Ohm Stable Bridgeable Amplifier

• 4 Ohm: 75W RMS x 4 ch.
• 2 Ohm: 150W RMS x 4 ch.
•600W RMS x 2 ch. Bridgeable
• 2 Ohm Stable
• Bass Boost Equalization
• Fully Adjustable Low Pass Crossover Filter
• Full IC-Controlled Protection Circuitry

• 4 Ohm: 75W RMS x 4 ch.
• 2 Ohm: 150W RMS x 4 ch.
•600W RMS x 2 ch. Bridgeable
• 2 Ohm Stable
• Bass Boost Equalization
• Fully Adjustable Low Pass Crossover Filter
• Full IC-Controlled Protection Circuitry

Hifonics ZXi 6410

680W RMS, Zeus ZXi Series 4-Channel Amplifier (ZXi6410)

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680W RMS, Zeus ZXi Series 4-Channel Amplifier (ZXi6410)

Zeus ZXI AB Car Amplifier • 4-Channel Operation• 85W x4 Chan. @ 4 Ohm • 170W x4 Chan. @ 2 Ohm • Ultra-Fi MOSFET Power Supply • Built-In System Diagnostics • Crossover Selector • Aluminum Alloy Vented Heatsink •

Zeus ZXI AB Car Amplifier • 4-Channel Operation• 85W x4 Chan. @ 4 Ohm • 170W x4 Chan. @ 2 Ohm • Ultra-Fi MOSFET Power Supply • Built-In System Diagnostics • Crossover Selector • Aluminum Alloy Vented Heatsink •

DEI - Directed Audio A404

400W Max, 4-Channel Amplifier

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400W Max, 4-Channel Amplifier

400 watts 4-Channel Amplifier • 45W x 4 chan. @ 4 Ohm • 50W x 4 chan. @ 2 Ohm • complimentary bipolar outputs • high speed MOSFET power supply • switchable 8 dB bass EQ • chrome-plated wire terminals and RCA connectors

400 watts 4-Channel Amplifier • 45W x 4 chan. @ 4 Ohm • 50W x 4 chan. @ 2 Ohm • complimentary bipolar outputs • high speed MOSFET power supply • switchable 8 dB bass EQ • chrome-plated wire terminals and RCA connectors

U.S. Amps XA-800.4

760W Max, 4-Channel XA Series U.S Amps Car Amplifier

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760W Max, 4-Channel XA Series U.S Amps Car Amplifier

XA Series 4-Channel Car Amplifier • 60W RMS x 2 Chan. @ 4 Ohm • 85W RMS x 2 Chan. @ 2 Ohm • 160W RMS x 1 Chan. @ 4 Ohm Bridged • MOSFET Power Supply • Variable Bass Boost • Variable High Pass • Variable Low Pass

XA Series 4-Channel Car Amplifier • 60W RMS x 2 Chan. @ 4 Ohm • 85W RMS x 2 Chan. @ 2 Ohm • 160W RMS x 1 Chan. @ 4 Ohm Bridged • MOSFET Power Supply • Variable Bass Boost • Variable High Pass • Variable Low Pass

Autotek ATA1400.4

1400W Max 4-Channel ATA Series Class AB Car Amplifier

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1400W Max 4-Channel ATA Series Class AB Car Amplifier

• Max Power: 175W x 4 @ 4 ohm, 350W x 4 @ 2 ohm
• Total Peak Power: 1400W
• Adjustable 12dB Crossovers
• Dimensions: 11.02" L x 9.05" W x 2.29" H

• Max Power: 175W x 4 @ 4 ohm, 350W x 4 @ 2 ohm
• Total Peak Power: 1400W
• Adjustable 12dB Crossovers
• Dimensions: 11.02" L x 9.05" W x 2.29" H

Soundstream P4.500

500W 4-Channel Picasso Series Class A/B Amplifier

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500W 4-Channel Picasso Series Class A/B Amplifier

• RMS Power: 80W x 4 @ 4 ohm, 125W x 4 @ 2 ohm, 250W x 2 @ 4 ohm, Bridged
• Total Peak Power: 500W
• Dash Mount Remote Bass Level Control Included
• Dimensions: 8.25"W x 12.5"L x 2"H

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• RMS Power: 80W x 4 @ 4 ohm, 125W x 4 @ 2 ohm, 250W x 2 @ 4 ohm, Bridged
• Total Peak Power: 500W
• Dash Mount Remote Bass Level Control Included
• Dimensions: 8.25"W x 12.5"L x 2"H

Infinity Kappa K4 Amplifier with Clari-fi Technology

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

• 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

• 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

MB Quart NA360.4

360W 4-Channel Nautical Series Class SQ Marine Amplifier

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360W 4-Channel Nautical Series Class SQ Marine Amplifier

• 60W x 4-Chan. @ 4 ohm
• 90W x 4-Chan. @ 2 ohm
• 180W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• 3-Way Protection Circuitry

• 60W x 4-Chan. @ 4 ohm
• 90W x 4-Chan. @ 2 ohm
• 180W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• 3-Way Protection Circuitry

Nitro BMWX-3884

800W 4-Channel BMWX Series Mosfet Amplifier

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800W 4-Channel BMWX Series Mosfet Amplifier

800W 4-Channel Amplifier • Built-in Full/HP/LP Crossovers • Bass Remote Control Included • PWM MOSFET Power Supply • Selectable Bass Boost • 2-Way System Protection Circuitry

800W 4-Channel Amplifier • Built-in Full/HP/LP Crossovers • Bass Remote Control Included • PWM MOSFET Power Supply • Selectable Bass Boost • 2-Way System Protection Circuitry

MB Quart ZA2-1600.4 1600W 4 Channel + Premium NVX 4 Gauge Amp Kit

Class-A/B 4-Channel Amplifier with 100% OFC Complete 4 Gauge Amp Kit

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Class-A/B 4-Channel Amplifier with 100% OFC Complete 4 Gauge Amp Kit

• 200 Watts RMS x 4 @ 4 ohm
• 400 Watts RMS x 4 @ 2 ohm
• 800 Watts RMS x 2 @ 4 ohm bridged
• Total RMS Power: 1600 Watts
• Built-In Low- and High-Pass Filters
• 0 - +9 Bass Boost
• Heavy Duty Aluminum Heatsink
• NVX XKIT44 100% Copper 4 Gauge Car Amp Install Kit w/ 4-Ch RCA

• 200 Watts RMS x 4 @ 4 ohm
• 400 Watts RMS x 4 @ 2 ohm
• 800 Watts RMS x 2 @ 4 ohm bridged
• Total RMS Power: 1600 Watts
• Built-In Low- and High-Pass Filters
• 0 - +9 Bass Boost
• Heavy Duty Aluminum Heatsink
• NVX XKIT44 100% Copper 4 Gauge Car Amp Install Kit w/ 4-Ch RCA

Hifonics TXi 6408

680W RMS, 4-Channel Titan TXi Series Amplifier (TXi6408)

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680W RMS, 4-Channel Titan TXi Series Amplifier (TXi6408)

Titan TXi Series 4-Channel Class AB Car Amplifier • 85W x 2 chan. @ 4 ohm • 170W x 2 chan. @ 2 ohm • 340W x 1 chan. @ 4 ohm • Pulse width modulated (PWM) MOSFET power supply • Preamp RCA outputs

Titan TXi Series 4-Channel Class AB Car Amplifier • 85W x 2 chan. @ 4 ohm • 170W x 2 chan. @ 2 ohm • 340W x 1 chan. @ 4 ohm • Pulse width modulated (PWM) MOSFET power supply • Preamp RCA outputs

Soundstream PA4.1000

1000W Max (500W RMS) Picasso Series Class A/B Full Range 4-Channel Bridgeable Car Amplifier

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1000W Max (500W RMS) Picasso Series Class A/B Full Range 4-Channel Bridgeable Car Amplifier

• 70 Watts RMS x 4 @ 4 ohm
• 125 Watts RMS x 4 @ 2 ohm
• 250 Watts RMS x 2 @ 4 ohm Bridged
• Total Peak Power: 1000 Watts
• Variable high-pass filter: 50 - 250 Hz, 12 dB/octave
• Variable low-pass filter: 50 - 250 Hz, 12 dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost
• Dimensions: 8.25"W x 11"L x 2"H

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• 70 Watts RMS x 4 @ 4 ohm
• 125 Watts RMS x 4 @ 2 ohm
• 250 Watts RMS x 2 @ 4 ohm Bridged
• Total Peak Power: 1000 Watts
• Variable high-pass filter: 50 - 250 Hz, 12 dB/octave
• Variable low-pass filter: 50 - 250 Hz, 12 dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost
• Dimensions: 8.25"W x 11"L x 2"H

Soundstream XTA480.4

480 watts, 4-Channel Xstream Series Amplifier XTA 480.4

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480 watts, 4-Channel Xstream Series Amplifier XTA 480.4

480W RMS 4 channel Xstream Series • 120W x 4 channel power output at 2 ohm • 60W x 4 channel at 4 ohm • Bass EQ Control • Drive Delay II • Selectable X-Over HPF / Full / LPF

480W RMS 4 channel Xstream Series • 120W x 4 channel power output at 2 ohm • 60W x 4 channel at 4 ohm • Bass EQ Control • Drive Delay II • Selectable X-Over HPF / Full / LPF

JBL GTO-504EZ

640W 4-Channel GTO Series Class A/B Car Amplifier

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640W 4-Channel GTO Series Class A/B Car Amplifier

• 4 ohm: 50 watts x 4-Chan.
• 2 ohm: 75 watts x 4-Chan.
• Bridged; 4 ohm: 150 watts x 2 chan.
• Max power output: 160 watts x 4-Chan.

• 4 ohm: 50 watts x 4-Chan.
• 2 ohm: 75 watts x 4-Chan.
• Bridged; 4 ohm: 150 watts x 2 chan.
• Max power output: 160 watts x 4-Chan.

Audiobahn A4004T

800W Max, 4-Channel Intake Series Amplifier

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800W Max, 4-Channel Intake Series Amplifier

800W Max, Intake 4-Channel Amplifier • Optional bass remote and digital volt-meter display available and sold separately • Class A/B • 400W RMS @ 2 ohm • 200W RMS @ 4 ohm • Preamp outputs • Cobalt Blue Illumination • Intake cooling fan • 4-way protection circuitry

800W Max, Intake 4-Channel Amplifier • Optional bass remote and digital volt-meter display available and sold separately • Class A/B • 400W RMS @ 2 ohm • 200W RMS @ 4 ohm • Preamp outputs • Cobalt Blue Illumination • Intake cooling fan • 4-way protection circuitry

MB Quart ZA2-1000.4 w/ Universal Bluetooth Controller Knob

1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier w/ Universal Bluetooth Audio Controller Knob

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1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier w/ Universal Bluetooth Audio Controller Knob

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• NVX XUBT3 Universal Bluetooth Knob for Cars, Trucks, Motorcycles, ATVs & Boats

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• NVX XUBT3 Universal Bluetooth Knob for Cars, Trucks, Motorcycles, ATVs & Boats

Autotek SM4-1000

1000W Max, 4-Channel Street Machines Series Car Amplifier

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1000W Max, 4-Channel Street Machines Series Car Amplifier

Street Machine AT 4-Channel Class A/B Car Amplifier • 1000 Watts Max • 500 Watts RMS • Twin Coil MOSFET Auto Step Power Supply • Pro-Fi Outputs • Soft Start Turn-On • 4-Way System Protection Circuitry • Bass Boost

Street Machine AT 4-Channel Class A/B Car Amplifier • 1000 Watts Max • 500 Watts RMS • Twin Coil MOSFET Auto Step Power Supply • Pro-Fi Outputs • Soft Start Turn-On • 4-Way System Protection Circuitry • Bass Boost

SoundStorm (SSL) PSY1600.4

1600W Class AB 4-Channel Psyclone Series Car Amplifier

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1600W Class AB 4-Channel Psyclone Series Car Amplifier

• 150W RMS x 4-Chan. @ 4 ohm
• Max 400W x 4-Chan. @ 2 ohm
• Max 800W x 2 Chan. @ 4 ohm
• 2-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Silver Anodized Heatsink

• 150W RMS x 4-Chan. @ 4 ohm
• Max 400W x 4-Chan. @ 2 ohm
• Max 800W x 2 Chan. @ 4 ohm
• 2-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Silver Anodized Heatsink

Power Acoustik BAMF-1600/4

1600W 4-Channel Class A/B BAMF Series Amplifier

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1600W 4-Channel Class A/B BAMF Series Amplifier

• 150W x 4-Chan. @ 4Ohm
• 180W x 4-Chan. @ 2Ohm
• 1600W Max
• MOSFET power supply
• Full Selectable Crossover
• Tri-mode capable
• Heavy duty aluminum alloy heatsink

• 150W x 4-Chan. @ 4Ohm
• 180W x 4-Chan. @ 2Ohm
• 1600W Max
• MOSFET power supply
• Full Selectable Crossover
• Tri-mode capable
• Heavy duty aluminum alloy heatsink

Sony XM-4S

Slim Series 4-Channel Amplifier

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Slim Series 4-Channel Amplifier

Slim Series 4-Channel Amplifier • RMS Power Output: 4 ohm: 50 watts x 4 / 2 ohm: 60 watts x 4 • Frequency Response: 5 Hz - 100 kHz • Harmonic Distortion:: 0.005% • Built in Protection Circuit • Speaker-level inputs with high-level sensing turn-on • Preamp inputs and outputs

Slim Series 4-Channel Amplifier • RMS Power Output: 4 ohm: 50 watts x 4 / 2 ohm: 60 watts x 4 • Frequency Response: 5 Hz - 100 kHz • Harmonic Distortion:: 0.005% • Built in Protection Circuit • Speaker-level inputs with high-level sensing turn-on • Preamp inputs and 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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