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MTX TD75.4

400W 4-Channel TD Series Class A/B Car Amplifier

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400W 4-Channel TD Series Class A/B Car Amplifier

• 4 ohm: 75 watts x 4-Chan.
• 2 ohm: 100 watts x 4-Chan.
• Bridged, 4 Ohm: 200 x 2 chan.
• 4/3/2 channel operation

• 4 ohm: 75 watts x 4-Chan.
• 2 ohm: 100 watts x 4-Chan.
• Bridged, 4 Ohm: 200 x 2 chan.
• 4/3/2 channel operation

Image Dynamics i4500

460W 4-Channel Class AB i Series Car Amplifier

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460W 4-Channel Class AB i Series Car Amplifier

• RMS: 75W x 4 @ 4 ohm, 115W x 4 @ 2 ohm
• 460W RMS
• Pulse Width Modulated MOSFET Power Supply
• LED Status Indicator
• Fully Adjustable Bass EQ
• 3-Way System Protection
• Low Level Line Inputs
• Aluminum Finned Heatsink

• RMS: 75W x 4 @ 4 ohm, 115W x 4 @ 2 ohm
• 460W RMS
• Pulse Width Modulated MOSFET Power Supply
• LED Status Indicator
• Fully Adjustable Bass EQ
• 3-Way System Protection
• Low Level Line Inputs
• Aluminum Finned Heatsink

Soundstream REF4.760

680W RMS, 4-Channel Reference Series Power Amplifier

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680W RMS, 4-Channel Reference Series Power Amplifier

Reference Series 4-Channel Car Amplifier • 110 Watts x 4 Chan @ 4 Ohm • 170 Watts x 4 Chan @ 2 Ohm • MOSFET Power Supply • Hawkins Bass Control • Harmonic Bass Alignment • Rail Stabilization Protection • Tri-Mode Operation

Reference Series 4-Channel Car Amplifier • 110 Watts x 4 Chan @ 4 Ohm • 170 Watts x 4 Chan @ 2 Ohm • MOSFET Power Supply • Hawkins Bass Control • Harmonic Bass Alignment • Rail Stabilization Protection • Tri-Mode Operation

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100W x 4 RMS • Tri Mode Operation • Remote Subwoofer Level Control • Bass Boost

100W x 4 RMS • Tri Mode Operation • Remote Subwoofer Level Control • Bass Boost

Kenwood X450-4

450W 4-Channel eXcelon Series Full Range Power Car Amplifier

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450W 4-Channel eXcelon Series Full Range Power Car Amplifier

• 4 ohm: 60 watts x 2 chan. + 100 watts x 2 chan.
• 2 ohm: 75 watts x 2 chan. + 150 watts x 2 chan.
• Bridged, 4 ohm: 60 watts x 2 chan. + 300 watts x 1 chan.
• Pulse Width Modulated MOSFET Power Supply

• 4 ohm: 60 watts x 2 chan. + 100 watts x 2 chan.
• 2 ohm: 75 watts x 2 chan. + 150 watts x 2 chan.
• Bridged, 4 ohm: 60 watts x 2 chan. + 300 watts x 1 chan.
• Pulse Width Modulated MOSFET Power Supply

Power Acoustik STAX 1600/4 (STAX1600/4)

1600W Max, 4-Channel Class A/B STAX Series Amplifier

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1600W Max, 4-Channel Class A/B STAX Series Amplifier

STAX 4-Channel Class A/B Car Amplifier • 150 Watts x 4 Chan. @ 4 Ohm • 180 Watts x 4 Chan. @ 2 Ohm • 1600 Watts Max • 3-Way System Protection Circuitry • MOSFET Power Supply • LED Power And Protect Indicators •

STAX 4-Channel Class A/B Car Amplifier • 150 Watts x 4 Chan. @ 4 Ohm • 180 Watts x 4 Chan. @ 2 Ohm • 1600 Watts Max • 3-Way System Protection Circuitry • MOSFET Power Supply • LED Power And Protect Indicators •

SPL GRLA 1600/4 (GRLA1600/4)

1600W Max, Gorilla Series 4-Channel Amplifier

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1600W Max, Gorilla Series 4-Channel Amplifier

Gorilla Series Class A/B 4-Channel Car Amplifier • 150 Watts x 4 Chan. @ 4 Ohm • 80 Watts x 4 Chan. @ 2 Ohm • 360 Watts x 2 Chan. Bridged • 1600 Watts Max • Regulated MOSFET PMW Power Supply • Preamp RCA Outputs

Gorilla Series Class A/B 4-Channel Car Amplifier • 150 Watts x 4 Chan. @ 4 Ohm • 80 Watts x 4 Chan. @ 2 Ohm • 360 Watts x 2 Chan. Bridged • 1600 Watts Max • Regulated MOSFET PMW Power Supply • Preamp RCA Outputs

Massive Audio BX4 Open Box Complete

960W 4-Channel Class D BX Series High Performance Car Amplifier

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960W 4-Channel Class D BX Series High Performance Car Amplifier

• Open Box Complete
• 120W x 4-Chan. @ 4 ohm
• 240W x 4-Chan. @ 2 ohm
• 480W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 8 Gauge Power and Ground Inputs
• Selectable LPF or HPF

• Open Box Complete
• 120W x 4-Chan. @ 4 ohm
• 240W x 4-Chan. @ 2 ohm
• 480W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 8 Gauge Power and Ground Inputs
• Selectable LPF or HPF

Crunch PZX1800.4 - Open Box, Very Good Condition (Used)

1800W 4-Channel Powerzone Series Class AB Car Amplifier -

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1800W 4-Channel Powerzone Series Class AB Car Amplifier -

• RMS Power: 225W x 4 @ 4 ohm, 450W x 4 @ 2 ohm, 900W x 2 @ 4 ohm Bridged
• Total Peak Power: 1800W
• Rugged MOSFET Pulse Width Modulation Power Supply

• RMS Power: 225W x 4 @ 4 ohm, 450W x 4 @ 2 ohm, 900W x 2 @ 4 ohm Bridged
• Total Peak Power: 1800W
• Rugged MOSFET Pulse Width Modulation Power Supply

Kenwood X301-4 Like New, Demo Product

600W Max X-Series Bridgeable 4-channel Amplifier

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600W Max X-Series Bridgeable 4-channel Amplifier

Like new Damaged Package
• 50 Watts RMS x 4 @ 4 ohm
• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• Variable low-pass and high-pass filter: 50 - 200Hz, 24 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost at 40Hz
• Speaker-level (high-level) inputs

Like new Damaged Package
• 50 Watts RMS x 4 @ 4 ohm
• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• Variable low-pass and high-pass filter: 50 - 200Hz, 24 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost at 40Hz
• Speaker-level (high-level) inputs

EXCLUSIVE

Amplified Speaker Package | Alpine Coaxial Speakers + NVX 4-Channel + Amp Kit

SPS-610 6.5" 2-Way Type-S Coaxial Speakers + NVX MVPA4 Micro-V Series 4-Channel Class D Amplifier w/ Amp Wiring Kit

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SPS-610 6.5" 2-Way Type-S Coaxial Speakers + NVX MVPA4 Micro-V Series 4-Channel Class D Amplifier w/ Amp Wiring Kit

• 50W x 4-Chan. @ 4 ohm
• 1" Silk Dome Tweeter
• Tuned Poly-Mica Cone
• 4 Ohm Impedance
• 3-Way System Protection
• Extremely Small Footprint!
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

• 50W x 4-Chan. @ 4 ohm
• 1" Silk Dome Tweeter
• Tuned Poly-Mica Cone
• 4 Ohm Impedance
• 3-Way System Protection
• Extremely Small Footprint!
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

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Bridgeable MOSFET 4 Channel Amplifier • 160W Peak / 80W 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

Bridgeable MOSFET 4 Channel Amplifier • 160W Peak / 80W 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

JBL GTR-104

100W RMS 4-Channel Stadium Series Bluetooth Car Amplifier with Clari-Fi Technology and Party Mode

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100W RMS 4-Channel Stadium Series Bluetooth Car Amplifier with Clari-Fi Technology and Party Mode

• 100 Watts RMS x 4 @ 4 ohm
• 120 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 1500 Watts
• Clari-fi Technology
• Bluetooth Streaming
• ADAS Input
• Cabin mounted control panel

• 100 Watts RMS x 4 @ 4 ohm
• 120 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 1500 Watts
• Clari-fi Technology
• Bluetooth Streaming
• ADAS Input
• Cabin mounted control panel

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RMS Power: 50W x 4 @ 4 ohm • RMS Power: 100W x 4 @ 2 ohm • Bridged RMS Power: 200W x 2 @ 2 ohm • high-pass/low-pass crossovers • bass boost

RMS Power: 50W x 4 @ 4 ohm • RMS Power: 100W x 4 @ 2 ohm • Bridged RMS Power: 200W x 2 @ 2 ohm • high-pass/low-pass crossovers • bass boost

** 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

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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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