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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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Alpine PDX-F4_XKIT42

400W PDX Series 4-Channel Power Density Digital Class D Car Amplifier + FREE 100% Copper, 2-Chan. True Spec 4 Gauge Amp Installation Kit

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400W PDX Series 4-Channel Power Density Digital Class D Car Amplifier + FREE 100% Copper, 2-Chan. True Spec 4 Gauge Amp Installation Kit

• 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
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

• 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
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

Alpine S-A32F

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

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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

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• 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

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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 SPS-610 6.5" + SPS-619 6x9" + Kicker CXA3004 Amplified Speaker Package

1000 Watt (6.5") (6 x 9") 2-Way Type-S Coaxial Speakers w/ Silk Tweeters + 600 Watt Kicker Amp

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1000 Watt (6.5") (6 x 9") 2-Way Type-S Coaxial Speakers w/ Silk Tweeters + 600 Watt Kicker Amp

• Peak Power: 480W
• RMS Power: 160W
• 1" Wide-Range Silk Soft Dome Tweeter
• Mounting Depth: 2-1/4"
• Tuned Poly-Mica Woofer Cone
• 4 Ohm Impedance
• Sensitivity: 88dB

• Peak Power: 480W
• RMS Power: 160W
• 1" Wide-Range Silk Soft Dome Tweeter
• Mounting Depth: 2-1/4"
• Tuned Poly-Mica Woofer Cone
• 4 Ohm Impedance
• Sensitivity: 88dB

Alpine R-A60F

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

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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

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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

FREE Pair Alpine SPS-610 and SPS-619 + Alpine XA70F Amplified Speaker Package

(1) Pair (6.5") Alpine SPS-610 + (1) Pair (6 x 9") SPS-619 + Alpine XA70F 1400 Watt Amplified Pro Speaker Package

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(1) Pair (6.5") Alpine SPS-610 + (1) Pair (6 x 9") SPS-619 + Alpine XA70F 1400 Watt Amplified Pro Speaker Package

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

Alpine S2-A36F (Open Box, Great)

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

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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 KTP-445A (Open Box, Great)

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

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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 HDA-F60 (Like New (Open Box))

600W RMS Class D Status Series 4 Channel Car Amplifier

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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 KTA-30FW + FREE $75 Gift Card

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

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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-A60F - New (Damaged Packaging, Product A+)

600W RMS Class D R-Series 4 Channel Car Amplifier

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600W RMS Class D R-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 KTA-450 Power Pack - New (Damaged Packaging, Product A+)

400W Peak (200W RMS) Class D Power Pack Series 4 Channel Car Amplifier

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400W Peak (200W RMS) Class D Power Pack Series 4 Channel Car Amplifier

• 50 watts x 4 channel @ 4 ohm
• 45 watts x 4 channel @ 2 ohm
• Bridged: 100 watts x 2 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 50 watts x 4 channel @ 4 ohm
• 45 watts x 4 channel @ 2 ohm
• Bridged: 100 watts x 2 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Alpine KTP-445A Power Pack - New (Damaged Packaging, Product A+)

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

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

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

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

Alpine S2-A36F - New (Damaged Packaging, Product A+)

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

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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 KTA-30FW - New (Damaged Packaging, Product A+)

600W Peak (300W RMS) Power Pack Series Class-D 4-Channel Amplifier

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600W Peak (300W RMS) Power Pack Series Class-D 4-Channel 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-Channel 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-Channel Amplifier

Alpine Status HDA-F60 - New (Damaged Packaging, Product A+)

600W RMS Class D Status Series 4 Channel High-Resolution Car Amplifier

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600W RMS Class D Status Series 4 Channel High-Resolution 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

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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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    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!
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    • Vehicle produced after 2005: Inside driver's side door
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    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.