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Discontinued 4-Channel Amplifiers

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VIBE Audio Black Box STEREO4

1400W Max Black Box 4-Channel Car Amplifier

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1400W Max Black Box 4-Channel Car Amplifier

Black Box 4-Channel Car Amplifier • 1400W Max • 175W x 4-Chan. @ 2 Ohm • 110W x 4-Chan. @ 4 Ohm • Speaker-level inputs • Variable high/low-pass filters • Illuminated Blackbox Logo

Black Box 4-Channel Car Amplifier • 1400W Max • 175W x 4-Chan. @ 2 Ohm • 110W x 4-Chan. @ 4 Ohm • Speaker-level inputs • Variable high/low-pass filters • Illuminated Blackbox Logo

NVX MVPA4 + NVX XFLOC4 Line-Output-Converter

600W RMS 4-Channel Class D Compact Marine Amplifier + NVX 4-Channel L.O.C. + 8 Gauge Amp Kit

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600W RMS 4-Channel Class D Compact Marine Amplifier + NVX 4-Channel L.O.C. + 8 Gauge Amp Kit

• 4-Channel Micro Class D Amplifier
• 100W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

• 4-Channel Micro Class D Amplifier
• 100W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

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1200W 4 Channel High Current Amplifier • 75W x 4 @ 4 Ohm RMS • 125W x 4 @ 2 Ohm RMS • Thermal / Short / Overload Protection Circuitry • Digital LCD Display • Variable High/Low Pass Cross-Over (40 - 250Hz) • Remote Bass Control

1200W 4 Channel High Current Amplifier • 75W x 4 @ 4 Ohm RMS • 125W x 4 @ 2 Ohm RMS • Thermal / Short / Overload Protection Circuitry • Digital LCD Display • Variable High/Low Pass Cross-Over (40 - 250Hz) • Remote Bass Control

MB Quart RM440.4

440W 4-Channel Reference MYKRO Series Hybrid Class D Full-Range Car Power Amplifier (RM4404)

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440W 4-Channel Reference MYKRO Series Hybrid Class D Full-Range Car Power Amplifier (RM4404)

• 75W x 4-Chan. @ 4 ohm
• 110W x 4-Chan. @ 2 ohm
• 220W x 2 Chan. @ 4 ohm
• 4-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 75W x 4-Chan. @ 4 ohm
• 110W x 4-Chan. @ 2 ohm
• 220W x 2 Chan. @ 4 ohm
• 4-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

Hifonics Titan TXi 4406

Titan TXi 4-Channel Amplifier

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Titan TXi 4-Channel Amplifier

Class A/B 4-Channel Amplifier • 220W x 2 @ 4 ohm • bridgeable design • MOSFET outputs • RCA line outputs • 3-channel mode

Class A/B 4-Channel Amplifier • 220W x 2 @ 4 ohm • bridgeable design • MOSFET outputs • RCA line outputs • 3-channel mode

SKAR Audio SK-85.4AB

500W Class AB 4-Channel SK Series Stereo Bridgeable Car Amplifier

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500W Class AB 4-Channel SK Series Stereo Bridgeable Car Amplifier

• 85W x 4-Chan. @ 4 ohm
• 125W x 4-Chan. @ 2 ohm
• 250W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Double Sided 1 Oz Circuit Board

• 85W x 4-Chan. @ 4 ohm
• 125W x 4-Chan. @ 2 ohm
• 250W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Double Sided 1 Oz Circuit Board

Focal FP 4.75 LE

F Power Series Class AB 4-Channel Amplifier (FP4.75 LE, FP4.75LE)

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F Power Series Class AB 4-Channel Amplifier (FP4.75 LE, FP4.75LE)

F Power Series Class A/B 4-Channel Car Amplifier • 75W x 4 chan. @ 4 ohm • 100W x 4 chan. @ 2 ohm • 200W x 2 chan. @ 4 ohm • Preamp RCA outputs • Gold-plated connectors

F Power Series Class A/B 4-Channel Car Amplifier • 75W x 4 chan. @ 4 ohm • 100W x 4 chan. @ 2 ohm • 200W x 2 chan. @ 4 ohm • Preamp RCA outputs • Gold-plated connectors

Crunch PZA1600.4

1600W 4-Channel Class A/B Power Zone Series Car Amplifier

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1600W 4-Channel Class A/B Power Zone Series Car Amplifier

4-Channel Power Zone Series Amplifier • Bass Boost (0-12 dB @ 45Hz) • Preamp RCA Outputs • 4-Way System Protection Circuitry • Heavy Duty Aluminum Alloy Heatsink • Fully Adjustable 12 dB Crossover • Nickle-Plated RCA Level Inputs

4-Channel Power Zone Series Amplifier • Bass Boost (0-12 dB @ 45Hz) • Preamp RCA Outputs • 4-Way System Protection Circuitry • Heavy Duty Aluminum Alloy Heatsink • Fully Adjustable 12 dB Crossover • Nickle-Plated RCA Level Inputs

Hifonics Zeus ZRX2000.4

2000W 4-Channel Class A/B Zeus Series Car Amplifier

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2000W 4-Channel Class A/B Zeus Series Car Amplifier

• 4 ohm: 250 watts x 4-Chan.
• 500 watts x 4-Chan.
• Bridged, 4 ohm: 1000 watts x 2 chan.
• Pulse Width Modulated MOSFET power supply

• 4 ohm: 250 watts x 4-Chan.
• 500 watts x 4-Chan.
• Bridged, 4 ohm: 1000 watts x 2 chan.
• Pulse Width Modulated MOSFET power supply

Audiobahn A1504DP

True Digital Series 4-Channel Amplifier

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True Digital Series 4-Channel Amplifier

1 ohm stereo stable, 2 ohm bridged • True Digital Circuitry • Dual Cooling Fans • HP/LP Crossovers • Bass Boost • Cobalt Blue Illumination • 150/300/450 watts x 4 ch. (@ 4/2/1 ohm)

1 ohm stereo stable, 2 ohm bridged • True Digital Circuitry • Dual Cooling Fans • HP/LP Crossovers • Bass Boost • Cobalt Blue Illumination • 150/300/450 watts x 4 ch. (@ 4/2/1 ohm)

Rockford Fosgate R250-4

250W RMS 4-Channel PRIME Series Class A/B Car Amplifier

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250W RMS 4-Channel PRIME Series Class A/B Car Amplifier

Prime Series Full Range Class A/B 4-Channel Car Amplifier • 4 ohm: 40 watts x 4 chan. • 2 ohm: 65 watts x 4 chan. • Bridged, 4 ohm: 125 watts x 2 chan. • MOSFET Power Supply •

Prime Series Full Range Class A/B 4-Channel Car Amplifier • 4 ohm: 40 watts x 4 chan. • 2 ohm: 65 watts x 4 chan. • Bridged, 4 ohm: 125 watts x 2 chan. • MOSFET Power Supply •

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100W RMS 4 CHannel Amplifier • Xe.flow™ • Xe.tune™ • Xe.load™ • RCA Outputs • 100W RMS x 4 (4-1 ohm stereo) • 200W x 2 (8-2 ohm bridged)

100W RMS 4 CHannel Amplifier • Xe.flow™ • Xe.tune™ • Xe.load™ • RCA Outputs • 100W RMS x 4 (4-1 ohm stereo) • 200W x 2 (8-2 ohm bridged)

Audiopipe AP-1504

600W, Class AB 4-Channel Power Car Amplifier

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600W, Class AB 4-Channel Power Car Amplifier

• • • • • Description Coming Soon! • • • • •

• • • • • Description Coming Soon! • • • • •

Visonik V1204A

1200W Max, 4-Channel Amplifier

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1200W Max, 4-Channel Amplifier

4-Channel Class AB Car Amplifier • 150W x 4 chan. @ 4 ohm • 300W x 4 chan. Max • MOSFET Power supply • LED power and protection indicators • Tuned Bass EQ (0-18 dB bass boost at 45 Hz) • Thermal, short, and overload protection

4-Channel Class AB Car Amplifier • 150W x 4 chan. @ 4 ohm • 300W x 4 chan. Max • MOSFET Power supply • LED power and protection indicators • Tuned Bass EQ (0-18 dB bass boost at 45 Hz) • Thermal, short, and overload protection

NVX VADM4 (Like New)

400W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

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400W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

• 400 Watt True RMS Output!
• Marine Certified 4-Channel Micro Class D Amplifier
• 75W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/2 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

• 400 Watt True RMS Output!
• Marine Certified 4-Channel Micro Class D Amplifier
• 75W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/2 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

(NON WORKING UNIT) Rockford Fosgate P4004 (NON WORKING UNIT)

(NON WORKING UNIT) 1600W Max, Punch Series 4-Channel Amplifier

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(NON WORKING UNIT) 1600W Max, Punch Series 4-Channel Amplifier

4-ohm stable in bridged mode • Tri-way capable • MOSFET power supplies and output stages • MEHSA transfers heat efficiently from the MOSFET devices to the heat sink for high performance • TOPAZ eliminates ground loop noise • trans-ANA circuitry keeps preamp signal clean • preamp outputs • variable high-pass/low-pass crossover (40-400 Hz, 12 dB/octave) • variable Punch Bass boost (0-18 dB at 45 Hz) NO REMOTE

4-ohm stable in bridged mode • Tri-way capable • MOSFET power supplies and output stages • MEHSA transfers heat efficiently from the MOSFET devices to the heat sink for high performance • TOPAZ eliminates ground loop noise • trans-ANA circuitry keeps preamp signal clean • preamp outputs • variable high-pass/low-pass crossover (40-400 Hz, 12 dB/octave) • variable Punch Bass boost (0-18 dB at 45 Hz) NO REMOTE

Hitron HPA800.4

800W Pro Series 4-Channel Amplifier with Remote Level Control

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800W Pro Series 4-Channel Amplifier with Remote Level Control

• 800W Max
• 200W x 4-Chan. @ 2 Ohm
• 75W x 4-Chan. @ 4 Ohm
• Tri-Mode Speaker Operation Output
• Speaker-Level Inputs
• Automatic Output Power Increase At 2 Ohm

• 800W Max
• 200W x 4-Chan. @ 2 Ohm
• 75W x 4-Chan. @ 4 Ohm
• Tri-Mode Speaker Operation Output
• Speaker-Level Inputs
• Automatic Output Power Increase At 2 Ohm

Soundstream HRU.4

960W, 4-Channel Human Reign Series Power Amplifier

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960W, 4-Channel Human Reign Series Power Amplifier

Human Reign Series 4-Channel Car Amplifier • 140W x 4 chan @ 4 Ohm • 240W x 4 chan @ 2 Ohm • MOSFET Power Supply • Hawkins Bass Boost • Intelligent Distress Indicator • Preamp RCA Outputs • 4-Way Protection

Human Reign Series 4-Channel Car Amplifier • 140W x 4 chan @ 4 Ohm • 240W x 4 chan @ 2 Ohm • MOSFET Power Supply • Hawkins Bass Boost • Intelligent Distress Indicator • Preamp RCA Outputs • 4-Way Protection

Boss PH2KD.4

2000W Max 4-Channel Phantom Series Car Amplifier

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2000W Max 4-Channel Phantom Series Car Amplifier

4-Channel Phantom Series Car Amplifier • • 4 ohm: 200 watts x 4 chan. • 500 watts x 4 chan. • Bridged,4 ohm: 1000 watts x 2 chan. • Pulse Width Modulated MOSFET power supply

4-Channel Phantom Series Car Amplifier • • 4 ohm: 200 watts x 4 chan. • 500 watts x 4 chan. • Bridged,4 ohm: 1000 watts x 2 chan. • Pulse Width Modulated MOSFET power supply

Fusion Electronics FM-504

500 Watt 4-Channel FM Series Marine Amplifier

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500 Watt 4-Channel FM Series Marine Amplifier

• 50W x 4 Chan. @ 4 ohm
• 75W x 4 Chan. @ 2 ohm
• 150W x 2 Chan. @ 4 ohm
• Class AB Design
• 4/2 Channel Operation

• 50W x 4 Chan. @ 4 ohm
• 75W x 4 Chan. @ 2 ohm
• 150W x 2 Chan. @ 4 ohm
• Class AB Design
• 4/2 Channel Operation

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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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