Garage
Shop

Discontinued Alpine Class-D Amplifiers

Alpine's Class-D amplifiers combine efficiency with powerful, clear audio output.

Loading...
Filters

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.

Alpine Marine PDX-5M-Like New

5-Channel Class-D Marine Digital PDX Amplifier

Go to item page Right Arrow Icon of Right Arrow

5-Channel Class-D Marine Digital PDX Amplifier

• Full-Range RMS: 75W x 4 @ 4 ohm, 75W x 4 @ 2 ohm
• Subwoofer RMS: 300W x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• CEA-2006 Compliant
• Salt/Fog/UV Weathering Protection
• Discrete Pre-amp Stage
• Dimensions: 10-1/8"L x 7-9/16"W x 2-7/16"H

• Full-Range RMS: 75W x 4 @ 4 ohm, 75W x 4 @ 2 ohm
• Subwoofer RMS: 300W x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• CEA-2006 Compliant
• Salt/Fog/UV Weathering Protection
• Discrete Pre-amp Stage
• Dimensions: 10-1/8"L x 7-9/16"W x 2-7/16"H

Alpine S-A32F

S-Series 320W RMS 4-Channel Digital Class D Car Audio Amplifier

Go to item page Right Arrow Icon of Right Arrow

S-Series 320W RMS 4-Channel Digital Class D Car Audio Amplifier

• 55 watts x 4 channel @ 4 ohm
• 80 watts x 4 channel @ 2 ohm
• Bridged: 160 watts x 2 channel @ 4 ohm
• Total RMS Power: 320 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

VIP Star Icon

VIP Product Get $22.00 in rewards to spend later

• 55 watts x 4 channel @ 4 ohm
• 80 watts x 4 channel @ 2 ohm
• Bridged: 160 watts x 2 channel @ 4 ohm
• Total RMS Power: 320 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

Alpine X-A70F

700W RMS X-Series Class-D 4-Channel 2 ohm Stable Amplifier

Go to item page Right Arrow Icon of Right Arrow

700W RMS X-Series Class-D 4-Channel 2 ohm Stable Amplifier

• 120 Watts RMS x 4 @ 4 ohm
• 715 Watts RMS x 4 @ 2 ohm
• 350 Watts RMS x 2 @ 4 ohm, Bridged
• CEA-2006 Compliant
• Low Pass and High Pass Filters
• 0 - 12dB Bass Boost
• Aluminum Heatsink
• Dimensions: 11-3/4" W x 7-5/8" L x 2" H

• 120 Watts RMS x 4 @ 4 ohm
• 715 Watts RMS x 4 @ 2 ohm
• 350 Watts RMS x 2 @ 4 ohm, Bridged
• CEA-2006 Compliant
• Low Pass and High Pass Filters
• 0 - 12dB Bass Boost
• Aluminum Heatsink
• Dimensions: 11-3/4" W x 7-5/8" L x 2" H

Alpine S-A60M

S-Series Monoblock Class-D Amplifier (600W RMS)

Go to item page Right Arrow Icon of Right Arrow

S-Series Monoblock Class-D Amplifier (600W RMS)

• Alpine S-Series Mono Power Amplifier - S-A60M
• 400W RMS x 1 (4ohm, 14.4V < 1% THD+N)
• 600W RMS x 1 (2ohm, 14.4V < 1% THD+N)
• Remote bass knob compatible

VIP Star Icon

VIP Product Get $22.00 in rewards to spend later

• Alpine S-Series Mono Power Amplifier - S-A60M
• 400W RMS x 1 (4ohm, 14.4V < 1% THD+N)
• 600W RMS x 1 (2ohm, 14.4V < 1% THD+N)
• Remote bass knob compatible

Alpine R-A75M

R-Series Class D Monoblock Subwoofer Amplifier (750 Watts RMS)

Go to item page Right Arrow Icon of Right Arrow

R-Series Class D Monoblock Subwoofer Amplifier (750 Watts RMS)

• 500 watts RMS x 1 @ 4 ohm / 750 watts RMS x 1 @ 2 ohm
• Hi-resolution Audio Compliant
• Low/Subsonic filter with variable Bass Boost
• Preamp and speaker-level inputs
• Best-in-class performance
• CTA-2006 compliant

• 500 watts RMS x 1 @ 4 ohm / 750 watts RMS x 1 @ 2 ohm
• Hi-resolution Audio Compliant
• Low/Subsonic filter with variable Bass Boost
• Preamp and speaker-level inputs
• Best-in-class performance
• CTA-2006 compliant

Alpine X-A90M

900W RMS X-Series Class-D Monoblock 2 ohm Stable Amplifier

Go to item page Right Arrow Icon of Right Arrow

900W RMS X-Series Class-D Monoblock 2 ohm Stable Amplifier

• 600 Watts RMS x 4 @ 4 ohm
• 900 Watts RMS x 4 @ 2 ohm
• CEA-2006 Compliant
• Low Pass and High Pass Filters
• 0 - 12dB Bass Boost
• Aluminum Heatsink
• Dimensions: 11-3/4" W x 7-5/8" L x 2" H

VIP Star Icon

VIP Product Get $75.00 in rewards to spend later

• 600 Watts RMS x 4 @ 4 ohm
• 900 Watts RMS x 4 @ 2 ohm
• CEA-2006 Compliant
• Low Pass and High Pass Filters
• 0 - 12dB Bass Boost
• Aluminum Heatsink
• Dimensions: 11-3/4" W x 7-5/8" L x 2" H

Alpine R-A60F

R-Series 4-Channel Power Density Amplifier (600 Watts Total RMS)

Go to item page Right Arrow Icon of Right Arrow

R-Series 4-Channel Power Density Amplifier (600 Watts Total RMS)

• 100W RMS x 4 @ 4 Ohm
• 150W RMS x 4 @ 2 Ohm
• 300 Watts x 2 @ 4 Ohm Bridged
• Hi-Resolution Audio Compliant
• Increased dynamic range
• Only 46-degrees of phase shift

VIP Star Icon

VIP Product Get $40.00 in rewards to spend later

• 100W RMS x 4 @ 4 Ohm
• 150W RMS x 4 @ 2 Ohm
• 300 Watts x 2 @ 4 Ohm Bridged
• Hi-Resolution Audio Compliant
• Increased dynamic range
• Only 46-degrees of phase shift

Alpine MRV-M500 (Open Box, Great)

1100W Peak (500W RMS) Class D V-Power Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1100W Peak (500W RMS) Class D V-Power Series Monoblock Car Amplifier

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

Alpine S2-A36F (Open Box, Great)

360W RMS Class D S-Series 4 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

360W RMS Class D S-Series 4 Channel Car Amplifier

• 60 watts x 4 channel @ 4 ohm
• 90 watts x 4 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm
• Total RMS Power: 360 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 60 watts x 4 channel @ 4 ohm
• 90 watts x 4 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm
• Total RMS Power: 360 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Alpine S2-A60M (Like New (Open Box))

600W RMS Class D S-Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W RMS Class D S-Series Monoblock Car Amplifier

• 330 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 330 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier

Alpine S2-A55V (Like New (Open Box))

540W RMS Class D S-Series 5 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

540W RMS Class D S-Series 5 Channel Car Amplifier

• 40 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 60 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 120 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 5-Channel Amplifier

• 40 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 60 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 120 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 5-Channel Amplifier

Alpine MRV-M500 (Like New (Open Box))

1100W Peak (500W RMS) Class D V-Power Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1100W Peak (500W RMS) Class D V-Power Series Monoblock Car Amplifier

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

Alpine KTP-445A (Open Box, Great)

180W RMS Class D Power Pack Series 4 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

180W RMS Class D Power Pack Series 4 Channel Car Amplifier

• 45 watts x 4 channel @ 4 ohm
• Total RMS Power: 180 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 45 watts x 4 channel @ 4 ohm
• Total RMS Power: 180 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Alpine S2-A55V (Open Box, Great)

540W RMS Class D S-Series 5 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

540W RMS Class D S-Series 5 Channel Car Amplifier

• 40 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 60 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 120 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 5-Channel Amplifier

• 40 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 60 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 120 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 5-Channel Amplifier

Alpine HDA-F60 (Like New (Open Box))

600W RMS Class D Status Series 4 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W RMS Class D Status Series 4 Channel Car Amplifier

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Alpine MRV-M500 (Open Box, Good)

1100W Peak (500W RMS) Class D V-Power Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1100W Peak (500W RMS) Class D V-Power Series Monoblock Car Amplifier

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

Alpine KTA-30FW + FREE $75 Gift Card

600W Max (300W RMS) KTA Series 4 ohm Stable 4-Channel Class-D Tough Power Pack Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W Max (300W RMS) KTA Series 4 ohm Stable 4-Channel Class-D Tough Power Pack Amplifier

• 75 Watts RMS x 4 @ 4 ohm
• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• Input/Output/Power Harness Included
• IP66 Weatherproof Rating

• 75 Watts RMS x 4 @ 4 ohm
• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• Input/Output/Power Harness Included
• IP66 Weatherproof Rating

Alpine R2-A75M - New (Damaged Packaging, Product A+)

750W RMS Class D R-Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

750W RMS Class D R-Series Monoblock Car Amplifier

• 500 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• Total RMS Power: 750 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 500 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• Total RMS Power: 750 watts
• Class D 2 ohm Stable Monoblock Amplifier

Alpine S2-A60M - New (Damaged Packaging, Product A+)

600W RMS Class D S-Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W RMS Class D S-Series Monoblock Car Amplifier

• 330 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 330 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier

Alpine KTA-30MW Tough Power Pack - New (Damaged Packaging, Product A+)

600W Peak (300W RMS) Power Pack Series Class-D Monoblock Weather Resistant Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) Power Pack Series Class-D Monoblock Weather Resistant Amplifier

• 300 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 300 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable Monoblock Amplifier

Items per page: 20 40 60

    Clear all

    Alpine Class-D Amplifiers Information

    Alpine Class-D amplifiers includes efficient, Class-D circuitry. This circuit makes the most out of the limited power available from your car’s electrical system keeping your amp cool. Check out the amazing audio signal and power of the Alpine Class-D amplifiers.
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2012 BMW 128i

    2009 Honda Pilot

    2014 Ford Flex

    2003 Oldsmobile Bravada

    2021 Audi Q5 PHEV

    2019 Ram 2500

    2016 Audi Q3 Quattro

    2012 Dodge Durango

    2010 Mercedes-Benz AMG E-Class

    2000 Lexus SC300

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.