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Precision Power PPI DCX 600.4

600 watts, 4-Channel Class AB Car Amplifier

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600 watts, 4-Channel Class AB Car Amplifier

Class-AB 4-Channel Amplifier • 75W RMS x 4 @ 4 • 300W RMS x 2 @ 4 Bridged • QBASS PLUS Bass Boost • RCA Output • Phase Control • Adjustable Input Gain • Independant Output Crossover • PowerLOCK Connectors

Class-AB 4-Channel Amplifier • 75W RMS x 4 @ 4 • 300W RMS x 2 @ 4 Bridged • QBASS PLUS Bass Boost • RCA Output • Phase Control • Adjustable Input Gain • Independant Output Crossover • PowerLOCK Connectors

Boss D350.4 R/B

1400W 4-Channel Diablo Series Mosfet Amplifier

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1400W 4-Channel Diablo Series Mosfet Amplifier

Diablo Series 4-Channel Class AB Car Amplifier • 140W x 4 Chan. @ 4 Ohm • 350 watts x 4 Chan. Max • MOSFET Power Supply • Variable Bass Boost • Line and Speaker Level Inputs • LED Power and Protection Indicators

Diablo Series 4-Channel Class AB Car Amplifier • 140W x 4 Chan. @ 4 Ohm • 350 watts x 4 Chan. Max • MOSFET Power Supply • Variable Bass Boost • Line and Speaker Level Inputs • LED Power and Protection Indicators

Crunch PZi 550.5

700W Max, PowerZone 5-Channel Amplifier (PZi550.5)

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700W Max, PowerZone 5-Channel Amplifier (PZi550.5)

PowerZone Series 3/5-Channel Class AB Car Amplifier • 60W x 4 chan. + 120W x 1 chan. @ 4 ohm • 125W x 4 chan. + 200W x 1 chan. @ 2 ohm • MOSFET power supply • DC, short, thermal, and overload protection circuitry • Silver-plated RCA level inputs

PowerZone Series 3/5-Channel Class AB Car Amplifier • 60W x 4 chan. + 120W x 1 chan. @ 4 ohm • 125W x 4 chan. + 200W x 1 chan. @ 2 ohm • MOSFET power supply • DC, short, thermal, and overload protection circuitry • Silver-plated RCA level inputs

Autotek MMA2000.4

2000W 4-Channel Mean Machine Series Car Amplifier

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2000W 4-Channel Mean Machine Series Car Amplifier

• RMS: 250W x 4 @ 4 ohm, 500W x 2 @ 2 ohm, Bridged: 1000W x 2 @ 4 ohm
• Total Peak Power: 2000W
• Pro- Fi™ High Speed MOSFET’s
• Auto-Step PWM MOSFET Power Supply
• ROAD WORTHYTM TCID
• 4/2 channel operation

• RMS: 250W x 4 @ 4 ohm, 500W x 2 @ 2 ohm, Bridged: 1000W x 2 @ 4 ohm
• Total Peak Power: 2000W
• Pro- Fi™ High Speed MOSFET’s
• Auto-Step PWM MOSFET Power Supply
• ROAD WORTHYTM TCID
• 4/2 channel operation

Crunch GPV 1800.4

1800W Maxx Ground Pounder Series 4-Channel Class A/B Car Amplifier

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1800W Maxx Ground Pounder Series 4-Channel Class A/B Car Amplifier

Ground Pounder Series 4-Channel Amplifier • MOSFET PWM Power Supply • LED Power/Protect Indicators • Soft Start Sound • High Level Inputs • Illuminated Crunch Badge • 4-Way Protection Circuitry • Full Range Line Output

Ground Pounder Series 4-Channel Amplifier • MOSFET PWM Power Supply • LED Power/Protect Indicators • Soft Start Sound • High Level Inputs • Illuminated Crunch Badge • 4-Way Protection Circuitry • Full Range Line Output

Massive Audio BLX44

690W Max (240W RMS) Bluetooth, Water and Dust Proof Nano Blu Class-D 4-Channel 2 Ohm Stable Amp

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690W Max (240W RMS) Bluetooth, Water and Dust Proof Nano Blu Class-D 4-Channel 2 Ohm Stable Amp

• 120 Watts RMS x 4 @ 4 ohm
• 240 Watts RMS x 2 @ 2 ohm
• 480 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 960 Watts
• CTA-2006 Compliant
• Bluetooth Capable with Separate Dongle
• Conformal Coating Protects Against Water, Dust, Heat
• 8.5" L x 4.25" W x 1.6" H

• 120 Watts RMS x 4 @ 4 ohm
• 240 Watts RMS x 2 @ 2 ohm
• 480 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 960 Watts
• CTA-2006 Compliant
• Bluetooth Capable with Separate Dongle
• Conformal Coating Protects Against Water, Dust, Heat
• 8.5" L x 4.25" W x 1.6" H

Power Acoustik SL4-680

680W Max, 4-Channel Amplifier

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680W Max, 4-Channel Amplifier

680W Max 4-Channel Amplifier • 70W x 4 chan. @ 4 Ohm • 85W x 4 chan. @ 2 Ohm • PWM MOSFET power supply • protection circuitry • RCA input/output • dual color indicator LED • phantom channel

680W Max 4-Channel Amplifier • 70W x 4 chan. @ 4 Ohm • 85W x 4 chan. @ 2 Ohm • PWM MOSFET power supply • protection circuitry • RCA input/output • dual color indicator LED • phantom channel

Precision Power i520.4 Open Box Complete

520W RMS (Dyno Tested at 554W RMS) iON Series Class D Full-Range Digital Stereo Bridgeable 4-Channel Amplifier

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520W RMS (Dyno Tested at 554W RMS) iON Series Class D Full-Range Digital Stereo Bridgeable 4-Channel Amplifier

• Open Box Complete
• 100W x 4-Chan. @ 4 ohm
• 130W x 4-Chan. @ 2 ohm
• 260W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Surface Mount Technology (SMT)

• Open Box Complete
• 100W x 4-Chan. @ 4 ohm
• 130W x 4-Chan. @ 2 ohm
• 260W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Surface Mount Technology (SMT)

Soundstream TX4.560

4-Channel Class A/B Tarantula Series Amplifier

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4-Channel Class A/B Tarantula Series Amplifier

Tarantula Series 4-Channel Class A/B Car Amplifier • 140W x 4 Chan. @ 2 Ohm • 100W x 4 Chan. @ 4 Ohm • Double Side PCB And SMD Components • Remote Bass Level Input • Active X-Over • 3-Way System Protection Circuitry

Tarantula Series 4-Channel Class A/B Car Amplifier • 140W x 4 Chan. @ 2 Ohm • 100W x 4 Chan. @ 4 Ohm • Double Side PCB And SMD Components • Remote Bass Level Input • Active X-Over • 3-Way System Protection Circuitry

Alpine PDX-F6

600W PDX Series 4-Channel Power Density Digital Class D Car Amplifier

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600W PDX Series 4-Channel Power Density Digital Class D Car Amplifier

• RMS Power: 150W x 4-Chan. @ 4 ohm
• 600 Watts RMS
• Class D
• Variable High-Pass and Low-Pass Filter
• Blue LED Power/Status Indicator
• Compact Size

• RMS Power: 150W x 4-Chan. @ 4 ohm
• 600 Watts RMS
• Class D
• Variable High-Pass and Low-Pass Filter
• Blue LED Power/Status Indicator
• Compact Size

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25W RMS x 2 at 4 ohm • 65W RMS x 1 in bridged mode • 35W RMS x 2 at 2 ohm • Requires 10 Gauge Wiring • 2 ohm mono stable

25W RMS x 2 at 4 ohm • 65W RMS x 1 in bridged mode • 35W RMS x 2 at 2 ohm • Requires 10 Gauge Wiring • 2 ohm mono stable

Boss BL2000

2000W, Blade Series 4-Channel Amplifier (BL-2000)

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2000W, Blade Series 4-Channel Amplifier (BL-2000)

2000 watts Max, 4-Channel Amplifier • 220 watts x 4 chan. @ 4 ohm • MOSFET Power Supply • Tri-mode Operation • High Pass and Low Pass Crossover • Line and Speaker Level Inputs • Remote Subwoofer Level Control

2000 watts Max, 4-Channel Amplifier • 220 watts x 4 chan. @ 4 ohm • MOSFET Power Supply • Tri-mode Operation • High Pass and Low Pass Crossover • Line and Speaker Level Inputs • Remote Subwoofer Level Control

Soundstream XTA600.5

600 watts, 5-Channel Xstream Series Amplifier XTA 600.5

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600 watts, 5-Channel Xstream Series Amplifier XTA 600.5

600W RMS 5 channel Xstream Series • 45W x 4 channels + 120W x 1 channel power output at 4 ohm • 90W x 4 channels + 240W x 1 channel at 2 ohm • Bass EQ Control • Drive Delay II • Selectable X-Over HPF / Full / LPF

600W RMS 5 channel Xstream Series • 45W x 4 channels + 120W x 1 channel power output at 4 ohm • 90W x 4 channels + 240W x 1 channel at 2 ohm • Bass EQ Control • Drive Delay II • Selectable X-Over HPF / Full / LPF

Orion XTR5004 (XTR 5004)

1000W Max 4-Channel XTR Series Amplifier with Crossover

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1000W Max 4-Channel XTR Series Amplifier with Crossover

XTR Series 4-Channel Car Amplifier • 80W x 4 chan. @ 4 ohm • 1000W Max • IntelliQ Bass optimization circuit • 6/5/4/3/2 Channel operation • Low- and high-pass filter

XTR Series 4-Channel Car Amplifier • 80W x 4 chan. @ 4 ohm • 1000W Max • IntelliQ Bass optimization circuit • 6/5/4/3/2 Channel operation • Low- and high-pass filter

Crunch GPA1000.4

1000W 4-Channel Ground Pounder Series A/B Class Amplifier

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1000W 4-Channel Ground Pounder Series A/B Class Amplifier

• Peak Power: 125W x 4 @ 4 ohm, 250W x 4 @ 2 ohm, 500 x 2 @ 4 ohm Mono Bridged
• Variable Bass Boost
• Total Peak Power: 1000W
• 9.05"W x 11.18"L x 2.29"H

• Peak Power: 125W x 4 @ 4 ohm, 250W x 4 @ 2 ohm, 500 x 2 @ 4 ohm Mono Bridged
• Variable Bass Boost
• Total Peak Power: 1000W
• 9.05"W x 11.18"L x 2.29"H

Power Acoustik CB4-1800

1800W Peak (450W RMS) Caliber Class-A/B 2-Ohm Stable 4-Channel Amplifier

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1800W Peak (450W RMS) Caliber Class-A/B 2-Ohm Stable 4-Channel Amplifier

• 180 Watts RMS x 4 @ 4 ohm
• 225 Watts RMS x 4 @ 2 ohm
• 450 Watts RMS x 2 @ 4 ohm bridged
• Total Peak Power: 1800 Watts
• Built-In High and Low Pass Filters
• 0, +6, +12 dB Bass Boost Switch
• Heavy-Duty Aluminum Heatsink
• Dimensions: 9.5" W x 15.25" L x 2" H

• 180 Watts RMS x 4 @ 4 ohm
• 225 Watts RMS x 4 @ 2 ohm
• 450 Watts RMS x 2 @ 4 ohm bridged
• Total Peak Power: 1800 Watts
• Built-In High and Low Pass Filters
• 0, +6, +12 dB Bass Boost Switch
• Heavy-Duty Aluminum Heatsink
• Dimensions: 9.5" W x 15.25" L x 2" H

Sony XM-GS400 Open Box Complete

700W Max Compact 4 Channel GS Series Amplifier with High Level Inputs, Crossover Filters and a 3-year warranty!

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700W Max Compact 4 Channel GS Series Amplifier with High Level Inputs, Crossover Filters and a 3-year warranty!

• Open Box Complete
• 70 Watts RMS x 4 @ 4 ohm
• 80 Watts RMS x 4 @ 2 ohm
• 160 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 700 Watts
• CEA-2006 Compliant
• 4, 3 or 2 channel stereo operation
• Signal to Noise Ration: 93 dBA
• Speaker-level (high-level) inputs with Auto Turn-on

• Open Box Complete
• 70 Watts RMS x 4 @ 4 ohm
• 80 Watts RMS x 4 @ 2 ohm
• 160 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 700 Watts
• CEA-2006 Compliant
• 4, 3 or 2 channel stereo operation
• Signal to Noise Ration: 93 dBA
• Speaker-level (high-level) inputs with Auto Turn-on

MB Quart XA1-800.4

800W 4-Channel X-Line Series Class SQ A/B Amplifier

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800W 4-Channel X-Line Series Class SQ A/B Amplifier

• RMS: 100W x 4 @ 4 ohm, 200W x 4 @ 2 ohm, Bridged: 400W x 2 @ 4 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Elaborate preamplifier with extended control
• Frequency Response: 10 - 45,000 Hz

• RMS: 100W x 4 @ 4 ohm, 200W x 4 @ 2 ohm, Bridged: 400W x 2 @ 4 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Elaborate preamplifier with extended control
• Frequency Response: 10 - 45,000 Hz

Soundstream X3.2K4

2400W RMS X3 Series Class-D 4-Channel 1-Ohm Stable Amplifier with Remote Level Control

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2400W RMS X3 Series Class-D 4-Channel 1-Ohm Stable Amplifier with Remote Level Control

• 250 Watts RMS x 4 @ 4 ohm
• 400 Watts RMS x 4 @ 2 ohm
• 600 Watts RMS x 4 @ 1 ohm
• Total Peak Power: 2400 Watts
• Variable Bass Boost: 0 to +18 dB bass boost at 45 Hz
• High-density split-dome convection heat-sink
• 11.5"W x 15.75"L x 2.5"H

• 250 Watts RMS x 4 @ 4 ohm
• 400 Watts RMS x 4 @ 2 ohm
• 600 Watts RMS x 4 @ 1 ohm
• Total Peak Power: 2400 Watts
• Variable Bass Boost: 0 to +18 dB bass boost at 45 Hz
• High-density split-dome convection heat-sink
• 11.5"W x 15.75"L x 2.5"H

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Bridgeable MOSFET 4 Channel Amplifier • 300W Peak / 150W RMS x 2 bridged power output • selectable high/low pass crossovers • 4-way protection circuitry • gold-plated RCA jacks • 4/3/2 channel or Tri-way output • gold-plated preamp outputs • bass boost

Bridgeable MOSFET 4 Channel Amplifier • 300W Peak / 150W RMS x 2 bridged power output • selectable high/low pass crossovers • 4-way protection circuitry • gold-plated RCA jacks • 4/3/2 channel or Tri-way output • gold-plated preamp outputs • bass boost

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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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