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Discontinued Alpine 4-Channel Amplifiers

Drive multiple speakers with Alpine's versatile 4-channel amplifiers for rich sound.

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You are currently viewing discontinued products.

Alpine KTA-30FW

600W Peak (300W RMS) Class D Power Pack Series 4 Channel Marine and Powersports Amplifier

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600W Peak (300W RMS) Class D Power Pack Series 4 Channel Marine and Powersports Amplifier

• 75 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 75 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Alpine PDX-F6 Open Box, Accepatble Condition (Used)

600W PDX Series 4-Channel Power Density Digital Class D Car Amplifier(Open Box Complete Used Functional)

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600W PDX Series 4-Channel Power Density Digital Class D Car Amplifier(Open Box Complete Used Functional)

• Item Condition: Open Box
• 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

• Item Condition: Open Box
• 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

Alpine MRP-F300

300W V-Power Series 4-Channel Class AB Car Amplifier

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300W V-Power Series 4-Channel Class AB Car Amplifier

• 50W x 4 chan. @ 4 ohm • 75W x 4 chan. @ 2 ohm • 150W x 4 chan. Max • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Non-Fading pre-amp output • Thermal management control • 4/3/2 Channel design

• 50W x 4 chan. @ 4 ohm • 75W x 4 chan. @ 2 ohm • 150W x 4 chan. Max • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Non-Fading pre-amp output • Thermal management control • 4/3/2 Channel design

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55W RMS x 4 channel at 4 ohm • 65W RMS x 4 at 2 ohm • Bass Engine with variable high-pass/low-pass crossovers and subsonic filter • preamp outputs

55W RMS x 4 channel at 4 ohm • 65W RMS x 4 at 2 ohm • Bass Engine with variable high-pass/low-pass crossovers and subsonic filter • preamp outputs

Alpine MRV-F545

4-Channel High Power Amplifier

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4-Channel High Power Amplifier

V12 4-Channel High Power Amplifier • 125W RMS x 4 @ 4 • 500W RMS x 1 Bridged (Chan 3/4) • Blue LCD Display • Amplifier Link • 1 Preamp Outputs • Bass Engine • Adjustable Crossover and Input Sensitivity

V12 4-Channel High Power Amplifier • 125W RMS x 4 @ 4 • 500W RMS x 1 Bridged (Chan 3/4) • Blue LCD Display • Amplifier Link • 1 Preamp Outputs • Bass Engine • Adjustable Crossover and Input Sensitivity

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4/3/2 Channel operation • 90W Peak / 50W RMS x 4 channel (4 ohm) high power amplifier • 240W Peak / 120W RMS x 2 channel Bridged Power • adjustable high-pass/low-pass crossovers • preamp outputs • MOSFET power supply • STAR circuitry • bass engine ready 

4/3/2 Channel operation • 90W Peak / 50W RMS x 4 channel (4 ohm) high power amplifier • 240W Peak / 120W RMS x 2 channel Bridged Power • adjustable high-pass/low-pass crossovers • preamp outputs • MOSFET power supply • STAR circuitry • bass engine ready 

Alpine MRP-F450

4-Channel Amplifier

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4-Channel Amplifier

4-channel car amplifier • 70W RMS x 4 @ 4 ohm • 100W RMS x 4 @ 2 ohm • 200W RMS x 2 bridged output @ 4 ohm • Gold-plated screw terminals

4-channel car amplifier • 70W RMS x 4 @ 4 ohm • 100W RMS x 4 @ 2 ohm • 200W RMS x 2 bridged output @ 4 ohm • Gold-plated screw terminals

Alpine MRP-F250

4-Channel Amplifier

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4-Channel Amplifier

4-channel car amplifier • 40W RMS x 4 @ 4 ohm • 50W RMS x 4 @ 2 ohm • 100W RMS x 2 bridged output @ 4 ohm • CEA-2006 compliant • Gold-plated screw terminals

4-channel car amplifier • 40W RMS x 4 @ 4 ohm • 50W RMS x 4 @ 2 ohm • 100W RMS x 2 bridged output @ 4 ohm • CEA-2006 compliant • Gold-plated screw terminals

Alpine KTP-445U Open Box Complete

Universal Class D 4-Channel Head Unit Power Pack for Use with all Aftermarket & Factory Receivers

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Universal Class D 4-Channel Head Unit Power Pack for Use with all Aftermarket & Factory Receivers

• Item Condition: Open Box Complete
• RMS Power: 45W x 4-Chan. @ 4 Ohm
• Adjustable Gain Switch
• Plug-and-Play
• CEA-2006 Compliant

• Item Condition: Open Box Complete
• RMS Power: 45W x 4-Chan. @ 4 Ohm
• Adjustable Gain Switch
• Plug-and-Play
• CEA-2006 Compliant

Alpine MRV-F345

4-Channel Class A/B Amplifier

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4-Channel Class A/B Amplifier

85 watts RMS x 4 at 2 ohm • BassEngine® with variable high-pass/low-pass crossovers and subsonic filter • Amp Link • preamp outputs

85 watts RMS x 4 at 2 ohm • BassEngine® with variable high-pass/low-pass crossovers and subsonic filter • Amp Link • preamp outputs

Alpine MRP-F550

500W RMS, 4-Channel Amplifier

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500W RMS, 4-Channel Amplifier

500 watts, 4-Channel Amplifier • RMS Power Output: 4 ohm: 90 watts x 4 / 125 watts x 4 • Frequency Response: 10 Hz - 50 kHz • MOSFET power supply • STAR Topology (minimizes internal noise and prevents ground interference) • Speaker and preamp-level inputs

500 watts, 4-Channel Amplifier • RMS Power Output: 4 ohm: 90 watts x 4 / 125 watts x 4 • Frequency Response: 10 Hz - 50 kHz • MOSFET power supply • STAR Topology (minimizes internal noise and prevents ground interference) • Speaker and preamp-level inputs

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80W x 4 Car Amp • 100 watts RMS x 4 at 2 ohm • BassEngine® with variable high- and low-pass crossovers • preamp outputs

80W x 4 Car Amp • 100 watts RMS x 4 at 2 ohm • BassEngine® with variable high- and low-pass crossovers • preamp outputs

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40W RMS x 4 Channel • 100 watts RMS x 2 bridged • Bass Engine with selectable low- and high-pass crossovers and tuned Bass EQ • preamp outputs

40W RMS x 4 Channel • 100 watts RMS x 2 bridged • Bass Engine with selectable low- and high-pass crossovers and tuned Bass EQ • preamp outputs

Alpine MRV-F300 OPEN BOX COMPLETE

300W 4-Channel Class D V-Power Series Compact Car Amplifier

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300W 4-Channel Class D V-Power Series Compact Car Amplifier

Opened and Never Installed
• RMS Power: 50W x 4-Chan. @ 4 ohm, 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Same Power in a 40% Smaller Chassis

Opened and Never Installed
• RMS Power: 50W x 4-Chan. @ 4 ohm, 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Same Power in a 40% Smaller Chassis

Alpine PDX-F4

400W PDX Series 4-Channel Power Density Digital Class D Car Amplifier

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400W PDX Series 4-Channel Power Density Digital Class D Car Amplifier

• RMS Power: 100W x 4-Chan. @ 4 ohm
• 400 Watts RMS
• Class D
• Variable High-Pass and Low-Pass Filter
• Blue LED Power/Status Indicator
• Compact Size

• RMS Power: 100W x 4-Chan. @ 4 ohm
• 400 Watts RMS
• Class D
• Variable High-Pass and Low-Pass Filter
• Blue LED Power/Status Indicator
• Compact Size

Alpine MRX-F35

340W 4-Channel X Power Series Car Amplifier

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340W 4-Channel X Power Series Car Amplifier

• RMS Power: 55W x 4-Chan. @ 4 Ohm, 85W x 4-Chan. @ 2 Ohm
• Variable Low-Pass Crossover
• Variable High-Pass Crossover
• Variable Bass Boost

• RMS Power: 55W x 4-Chan. @ 4 Ohm, 85W x 4-Chan. @ 2 Ohm
• Variable Low-Pass Crossover
• Variable High-Pass Crossover
• Variable Bass Boost

Alpine KTP-445

Plug and Play Head Unit Power Pack for Use with all 2005-Up Alpine Head Units (Black Harness)

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Plug and Play Head Unit Power Pack for Use with all 2005-Up Alpine Head Units (Black Harness)

Power Pack 4-Channel Class D for Select Alpine In-Dash Receivers • 45W x 4 Chan. @ 4 Ohm • Adjustable Gain Switch • Plug-and-Play • CEA-2006 Compliant

Power Pack 4-Channel Class D for Select Alpine In-Dash Receivers • 45W x 4 Chan. @ 4 Ohm • Adjustable Gain Switch • Plug-and-Play • CEA-2006 Compliant

Alpine PDX-4.100

4-Channel Power Density Digital Amplifier (PDX4.100)

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4-Channel Power Density Digital Amplifier (PDX4.100)

4-Channel Power Density Digital Amplifier • 100W x 4 chan. @ 4 Ohm • class D amp design • stackable installation design • MOSFET power supply • quick connect power connectors

4-Channel Power Density Digital Amplifier • 100W x 4 chan. @ 4 Ohm • class D amp design • stackable installation design • MOSFET power supply • quick connect power connectors

Alpine MRP-F250 R/B

4-Channel Amplifier

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4-Channel Amplifier

4-channel car amplifier • 40W RMS x 4 @ 4 ohm • 50W RMS x 4 @ 2 ohm • 100W RMS x 2 bridged output @ 4 ohm • CEA-2006 compliant • Gold-plated screw terminals

4-channel car amplifier • 40W RMS x 4 @ 4 ohm • 50W RMS x 4 @ 2 ohm • 100W RMS x 2 bridged output @ 4 ohm • CEA-2006 compliant • Gold-plated screw terminals

Alpine PDR-F50 4 Channel 500 Watt RMS Class D Car Amplifier+Premium Amp Kit

500W PDR Series 4/3/2 Channel Class D Digital Amplifier Package

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500W PDR Series 4/3/2 Channel Class D Digital Amplifier Package

• RMS Power: 85W x 4 @ 4 ohm, 125W x 2 @ 2 ohm, 250W x 2 @ 4 ohm, Bridged
• CEA-2006 Compliant Amplifier
• Rotatable Illuminated Alpine Badge
• Top-Side Control Panel w/ Removable Cover
• Voltage ON/OFF Sensing for OEM Upgrade
• Dimensions: 9"W x 6.5"L x 2.0"H

• RMS Power: 85W x 4 @ 4 ohm, 125W x 2 @ 2 ohm, 250W x 2 @ 4 ohm, Bridged
• CEA-2006 Compliant Amplifier
• Rotatable Illuminated Alpine Badge
• Top-Side Control Panel w/ Removable Cover
• Voltage ON/OFF Sensing for OEM Upgrade
• Dimensions: 9"W x 6.5"L x 2.0"H

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    Alpine 4-Channel Amplifiers Information

    A 4 channel car amplifier from Alpine will provide your vehicle with the power it requires. These amps can operate four channels and Alpine is a leader in amplification solutions. Power your speakers with a Alpine 4-channel amplifier for a great all around sound.
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