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$329.95
Alpine KTP-445A Power Pack Compact Upgrade Amplifier For Your Alpine Receiver - 45 Watts RMS X 4
Crutchfield
456
$329.95
Alpine KTP-445A Power Pack Compact Upgrade Amplifier For Your Alpine Receiver - 45 Watts RMS X 4
Crutchfield
456
$999.95
Alpine HDA-F60 Status Series 4-Channel Car Amplifier - 100 Watts RMS X 4
Crutchfield
6
$999.95
Alpine HDA-F60 Status Series 4-Channel Car Amplifier - 100 Watts RMS X 4
Crutchfield
6
$269.95
Alpine 4-Channel Power Pack Amplifier With Powerstack
Abt Electronics
$269.95
Alpine 4-Channel Power Pack Amplifier With Powerstack
Abt Electronics
$539.95
Alpine R-Series 4-Channel Amplifier
Abt Electronics
17
$539.95
Alpine R-Series 4-Channel Amplifier
Abt Electronics
17
$299.95
Alpine S-Series 4-Channel Amplifier
Abt Electronics
24
$299.95
Alpine S-Series 4-Channel Amplifier
Abt Electronics
24
$179.86
Alpine Ktp-600 4 Channel Compact Digital Power Amplifier 90W×4Ch
eBay
2
$179.86
Alpine Ktp-600 4 Channel Compact Digital Power Amplifier 90W×4Ch
eBay
2
$269.95
Alpine Kta-450 4-Channel Power Pack Amplifier
Walmart
311
Free shipping
$269.95
Alpine Kta-450 4-Channel Power Pack Amplifier
Walmart
311
$539.95
Alpine R2-A60F 600W RMS Class D R-Series 4 Channel Car Amplifier
Sonic Electronix
$539.95
Alpine R2-A60F 600W RMS Class D R-Series 4 Channel Car Amplifier
Sonic Electronix
$249.99
JL Audio JD400/4 JD Series 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
7
$249.99
JL Audio JD400/4 JD Series 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
7
$249.95
Alpine S-A32F 320W RMS 4-Channel Class D Car Amplifier + 8 Gauge Amplifier Kit
eBay
Free shipping
$249.95
Alpine S-A32F 320W RMS 4-Channel Class D Car Amplifier + 8 Gauge Amplifier Kit
eBay
Free shipping
$349.95
$362.44
Alpine KTP-445U Car Audio 4 Channel 360W Amp Behind Radio Aftermarket Or Factory
HifiSoundConnection Bing Store
158
Free shipping
$349.95
$362.44
Alpine KTP-445U Car Audio 4 Channel 360W Amp Behind Radio Aftermarket Or Factory
HifiSoundConnection Bing Store
158
$269.95
Alpine KTA-450 Power Pack 400W Peak (200W RMS) Class D Series 4 Channel Car Amplifier
Sonic Electronix
311
$269.95
Alpine KTA-450 Power Pack 400W Peak (200W RMS) Class D Series 4 Channel Car Amplifier
Sonic Electronix
311
$329.95
Alpine KTP-445A Power Pack 180W RMS Class D Series 4 Channel Car Amplifier
Sonic Electronix
456
$329.95
Alpine KTP-445A Power Pack 180W RMS Class D Series 4 Channel Car Amplifier
Sonic Electronix
456
$269.95
Alpine - KTA-450 - Power Pack Series 4-Channel 45W RMS X 4 At 2 Ohm C
Online Car Stereo
311
Free shipping
$269.95
Alpine - KTA-450 - Power Pack Series 4-Channel 45W RMS X 4 At 2 Ohm C
Online Car Stereo
311
$299.95
ALPINE S-A32F 4-Channel Digital Class D Car Audio Amplifier
eBay
18
Free shipping
$299.95
ALPINE S-A32F 4-Channel Digital Class D Car Audio Amplifier
eBay
18
$329.95
Alpine - KTP-445A - Power Pack Series 4-Channel 45W RMS X 4 At 2 Ohms
Online Car Stereo
456
Free shipping
$329.95
Alpine - KTP-445A - Power Pack Series 4-Channel 45W RMS X 4 At 2 Ohms
Online Car Stereo
456
$269.95
$274.94
Alpine KTA-450 Car Audio 4 Channel 400W Amp Power Pack Class D Amplifier New
HifiSoundConnection Bing Store
311
Free shipping
$269.95
$274.94
Alpine KTA-450 Car Audio 4 Channel 400W Amp Power Pack Class D Amplifier New
HifiSoundConnection Bing Store
311
$1,185.90
Alpine R Series 4 Channel And Mono Block Amplifier Bundle, R2-A60F & r2-a150m
Creative Audio
$1,185.90
Alpine R Series 4 Channel And Mono Block Amplifier Bundle, R2-A60F & r2-a150m
Creative Audio
$539.95
Alpine R-Series 4-Channel Amplifier
Abt.com
17
Free shipping
$539.95
Alpine R-Series 4-Channel Amplifier
Abt.com
17
$499.95
$524.94
Alpine KTA-30FW Car Audio 4 Channel 600W Amp Power Pack Class D Amplifier New
HifiSoundConnection Bing Store
Free shipping
$499.95
$524.94
Alpine KTA-30FW Car Audio 4 Channel 600W Amp Power Pack Class D Amplifier New
HifiSoundConnection Bing Store
Free shipping
$584.90
Alpine R2-A60F R-Series 4-Channel Amplifier & Rux-Knob.2 Remote Bass Knob Bundle
Creative Audio
$584.90
Alpine R2-A60F R-Series 4-Channel Amplifier & Rux-Knob.2 Remote Bass Knob Bundle
Creative Audio
$611.90
Alpine R2-A60F R-Series 4-Channel Amplifier & Alpine Rux-H01 Remote Bass Knob Bundle
Creative Audio
$611.90
Alpine R2-A60F R-Series 4-Channel Amplifier & Alpine Rux-H01 Remote Bass Knob Bundle
Creative Audio
$169.99
$199.95
Alpine Bbx-F1200 600 Watt Max 4 Channel Bass EQ Class A/B Car Audio Amplifier
Walmart
3
Free shipping
14% off
$169.99
$199.95
Alpine Bbx-F1200 600 Watt Max 4 Channel Bass EQ Class A/B Car Audio Amplifier
Walmart
3
$499.95
Alpine Kta-30Fw Car Audio 4 Channel 600W Amp Power Pack Class D Amplifier New
Walmart
Free shipping
$499.95
Alpine Kta-30Fw Car Audio 4 Channel 600W Amp Power Pack Class D Amplifier New
Walmart
Free shipping
$269.95
Alpine 4-Channel Power Pack Amplifier With Powerstack
Abt.com
311
Free shipping
$269.95
Alpine 4-Channel Power Pack Amplifier With Powerstack
Abt.com
311
$499.95
Alpine S2-A55V 4-Channel Amplifier
mooncarstereo
$499.95
Alpine S2-A55V 4-Channel Amplifier
mooncarstereo
$228.39
Alpine Sa32f S Series Class D 4 Channel Digital Amplifier 320 Watts
alumigogo
404
$228.39
Alpine Sa32f S Series Class D 4 Channel Digital Amplifier 320 Watts
alumigogo
404
$3,350.89
Alpine Status Series Plug & Play Dual Amplifier Bundle (B&O System) | '21 - Current Ford Bronco, 4 Door
Trail Seven
$3,350.89
Alpine Status Series Plug & Play Dual Amplifier Bundle (B&O System) | '21 - Current Ford Bronco, 4 Door
Trail Seven
$2,131.94
Alpine Plug & Play Amp Kit Bundle Upgrade 2 & 4-Door (B&O System) | '21 - Current Ford Bronco, Alpine V90 / 2-Door
Trail Seven
$2,131.94
Alpine Plug & Play Amp Kit Bundle Upgrade 2 & 4-Door (B&O System) | '21 - Current Ford Bronco, Alpine V90 / 2-Door
Trail Seven
$899.95
Hogtunes Wild Boar 4 Channel Amp For Harley Davidson Electra Glide/Road Glide/Street Glide/Ultra Glide/Road King
PartsGiant
Free shipping
$899.95
Hogtunes Wild Boar 4 Channel Amp For Harley Davidson Electra Glide/Road Glide/Street Glide/Ultra Glide/Road King
PartsGiant
Free shipping
$1,999.00
Universal Audio 4-710D 4-Channel Microphone Preamp And Compressor 4-Channel Tube/FET Preamp And DI With Tone Blending Knob, And 8-Channel
Sweetwater
55
$1,999.00
Universal Audio 4-710D 4-Channel Microphone Preamp And Compressor 4-Channel Tube/FET Preamp And DI With Tone Blending Knob, And 8-Channel
Sweetwater
55
$799.95
Hogtunes Quadcast 300 Watt 4 Channel Amp For Harley Touring 2014-2024
RevZilla
3
$799.95
Hogtunes Quadcast 300 Watt 4 Channel Amp For Harley Touring 2014-2024
RevZilla
3
$164.95
Rockville RPM48S 2000W Powered 4 Channel Mixer/Stereo Amplifier W Bluetooth/EQ
Rockville Audio
58
Free shipping
$164.95
Rockville RPM48S 2000W Powered 4 Channel Mixer/Stereo Amplifier W Bluetooth/EQ
Rockville Audio
58
$224.99
Pyle PD3000BT.5 4-Channel Bluetooth Home Theater Stereo Preamplifier System - Black
Macy's
Free shipping
$224.99
Pyle PD3000BT.5 4-Channel Bluetooth Home Theater Stereo Preamplifier System - Black
Macy's
Free shipping
$169.95
Boss Audio Systems 500-Watt 4-Channel Class A/B Bluetooth Amplifier
Side By Side Sports
$169.95
Boss Audio Systems 500-Watt 4-Channel Class A/B Bluetooth Amplifier
Side By Side Sports
$4,762.00
Powersoft Quattrocanali 4804 DSP 4,800-Watt 4-Channel Power Amplifier 4,800W, 4-Channel Power Amplifier With Switched-Mode Output Stage, Smart Rail
Sweetwater
$4,762.00
Powersoft Quattrocanali 4804 DSP 4,800-Watt 4-Channel Power Amplifier 4,800W, 4-Channel Power Amplifier With Switched-Mode Output Stage, Smart Rail
Sweetwater
How to install the Alpine KTP-445U Power Pack compact amplifier | Crutchfield video
4:38
YouTubeCRUTCHFIELD
How to install the Alpine KTP-445U Power Pack compact amplifier | Crutchfield video
Alpine KTP-445U: https://bit.ly/2nAIuVc The Alpine KTP-445U Power Pack is a 4-channel amp that can be connected to nearly any stereo, including factory stereos, and then stashed behind the dash or in another small area. It's a straightforward upgrade that can really take your system to the next level. Our expert shows you how to install the ...
199.1K viewsAug 13, 2018
Alpine Electronics Products
Good, Better, Best: Alpine Electronics: Single Din stereo receivers. Demo, description and unboxing.
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Good, Better, Best: Alpine Electronics: Single Din stereo receivers. Demo, description and unboxing.
YouTubeBreakers Stereo &
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A 5 Minute History and Heritage of Alpine Electronics
5:46
A 5 Minute History and Heritage of Alpine Electronics
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12.8K viewsAug 24, 2021
Alpine iLX-W650 DEMO
2:32
Alpine iLX-W650 DEMO
YouTubeINPHASE CAR AUDIO
49.9K viewsFeb 21, 2019
Top videos
Updates & FAQ: Alpine 4-Channel Amp & Powered Subwoofer Kits
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Updates & FAQ: Alpine 4-Channel Amp & Powered Subwoofer Kits
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Alpine BBX-F1200 4-Channel Amplifier: Unleash Your Car Audio Power!
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Alpine BBX-F1200 4-Channel Amplifier: Unleash Your Car Audio Power!
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I'VE HAD THIS AMP FOR 2 YEARS AND I HATE IT!! Alpine KTP-445U Compact 4-Channel Amplifier Review
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Alpine Electronics Reviews
Review Alpine Electronics SWE-815 300W 8" Active Subwoofer, With Custom Enclosure, Remote Control, 4
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Review Alpine Electronics SWE-815 300W 8" Active Subwoofer, With Custom Enclosure, Remote Control, 4
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27 views3 months ago
Alpine iLX-W770 Review: How It Stacks Up Against the iLX-W670 and iLX-W650
10:12
Alpine iLX-W770 Review: How It Stacks Up Against the iLX-W670 and iLX-W650
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23.6K viewsDec 25, 2024
Alpine iLX-W670-M in-dash digital media receiver | Crutchfield
5:25
Alpine iLX-W670-M in-dash digital media receiver | Crutchfield
YouTubeCRUTCHFIELD
5.8K views2 months ago
Updates & FAQ: Alpine 4-Channel Amp & Powered Subwoofer Kits
18:16
Updates & FAQ: Alpine 4-Channel Amp & Powered Subwoofer Kits
4.2K views10 months ago
YouTubeTrail Grid Pro
Alpine BBX-F1200 4-Channel Amplifier: Unleash Your Car Audio Power!
1:59
Alpine BBX-F1200 4-Channel Amplifier: Unleash Your Car Audio Power!
2.7K viewsAug 8, 2024
YouTubeMR-Max Tube
I'VE HAD THIS AMP FOR 2 YEARS AND I HATE IT!! Alpine KTP-445U Compact 4-Channel Amplifier Review
7:50
Find in video from 01:58Things I Don't Like About the Amp
I'VE HAD THIS AMP FOR 2 YEARS AND I HATE IT!! Alpine KTP-445U …
18.1K viewsNov 1, 2023
YouTubeCam's Car Audio Reviews
Alpine R2-A60F R-Series 4-Channel Amplifier - Unleashing the Best in Hi-Res Audio Performance
2:02
Alpine R2-A60F R-Series 4-Channel Amplifier - Unleashing the Best in Hi-Res Audio Performance
1K viewsAug 2, 2024
YouTubeOutdoor Tube Plus
REVIEW (2026): Alpine S2-A36F 4-Channel Amplifier. Features
1:00
REVIEW (2026): Alpine S2-A36F 4-Channel Amplifier. Features
101 views2 months ago
YouTubeCurrentProductReviews
REVIEW (2026): Alpine S2-A36F 4-Channel Amplifier. Features
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REVIEW (2026): Alpine S2-A36F 4-Channel Amplifier. Features
9 views2 months ago
YouTubeCurrent Product Overviews
Alpine S2-A36F S-Series Class-D 4-Channel Amplifier: Unleash Your Car Audio Potential
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Alpine S2-A36F S-Series Class-D 4-Channel Amplifier: Unleash Your Car Audio Potential
911 viewsJul 31, 2024
YouTubeMaxReviews Pro
0:46
Alpine KTP-445A Unboxing – Compact Power for Your Alpine Receiver!
988 views9 months ago
YouTubeOnlineCarStereo
1:13
Unboxing the Alpine R-A60F 4-Channel Amplifier
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Alpine S-A32F S-Series 320W RMS 4-Channel Digital Class D Car Audio Amplifier + Free Absolute 8 G...
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See more

Shop alpine 4 channel amp

Sponsored
About our ads
$329.95
Alpine KTP-445A Power Pack Compact Upgrade Amplifier For Your Alpine Receiver - 45 Watts RMS X 4
Crutchfield
456
$329.95
Alpine KTP-445A Power Pack Compact Upgrade Amplifier For Your Alpine Receiver - 45 Watts RMS X 4
Crutchfield
456
$999.95
Alpine HDA-F60 Status Series 4-Channel Car Amplifier - 100 Watts RMS X 4
Crutchfield
6
$999.95
Alpine HDA-F60 Status Series 4-Channel Car Amplifier - 100 Watts RMS X 4
Crutchfield
6
$269.95
Alpine 4-Channel Power Pack Amplifier With Powerstack
Abt Electronics
$269.95
Alpine 4-Channel Power Pack Amplifier With Powerstack
Abt Electronics
$539.95
Alpine R-Series 4-Channel Amplifier
Abt Electronics
17
$539.95
Alpine R-Series 4-Channel Amplifier
Abt Electronics
17
$299.95
Alpine S-Series 4-Channel Amplifier
Abt Electronics
24
$299.95
Alpine S-Series 4-Channel Amplifier
Abt Electronics
24
$179.86
Alpine Ktp-600 4 Channel Compact Digital Power Amplifier 90W×4Ch
eBay
2
$179.86
Alpine Ktp-600 4 Channel Compact Digital Power Amplifier 90W×4Ch
eBay
2
$269.95
Alpine Kta-450 4-Channel Power Pack Amplifier
Walmart
311
Free shipping
$269.95
Alpine Kta-450 4-Channel Power Pack Amplifier
Walmart
311
$539.95
Alpine R2-A60F 600W RMS Class D R-Series 4 Channel Car Amplifier
Sonic Electronix
$539.95
Alpine R2-A60F 600W RMS Class D R-Series 4 Channel Car Amplifier
Sonic Electronix
$249.99
JL Audio JD400/4 JD Series 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
7
$249.99
JL Audio JD400/4 JD Series 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
7
$249.95
Alpine S-A32F 320W RMS 4-Channel Class D Car Amplifier + 8 Gauge Amplifier Kit
eBay
Free shipping
$249.95
Alpine S-A32F 320W RMS 4-Channel Class D Car Amplifier + 8 Gauge Amplifier Kit
eBay
Free shipping
$349.95
$362.44
Alpine KTP-445U Car Audio 4 Channel 360W Amp Behind Radio Aftermarket Or Factory
HifiSoundConnection Bing Store
158
Free shipping
$349.95
$362.44
Alpine KTP-445U Car Audio 4 Channel 360W Amp Behind Radio Aftermarket Or Factory
HifiSoundConnection Bing Store
158
$269.95
Alpine KTA-450 Power Pack 400W Peak (200W RMS) Class D Series 4 Channel Car Amplifier
Sonic Electronix
311
$269.95
Alpine KTA-450 Power Pack 400W Peak (200W RMS) Class D Series 4 Channel Car Amplifier
Sonic Electronix
311
$329.95
Alpine KTP-445A Power Pack 180W RMS Class D Series 4 Channel Car Amplifier
Sonic Electronix
456
$329.95
Alpine KTP-445A Power Pack 180W RMS Class D Series 4 Channel Car Amplifier
Sonic Electronix
456
$269.95
Alpine - KTA-450 - Power Pack Series 4-Channel 45W RMS X 4 At 2 Ohm C
Online Car Stereo
311
Free shipping
$269.95
Alpine - KTA-450 - Power Pack Series 4-Channel 45W RMS X 4 At 2 Ohm C
Online Car Stereo
311
$299.95
ALPINE S-A32F 4-Channel Digital Class D Car Audio Amplifier
eBay
18
Free shipping
$299.95
ALPINE S-A32F 4-Channel Digital Class D Car Audio Amplifier
eBay
18
$329.95
Alpine - KTP-445A - Power Pack Series 4-Channel 45W RMS X 4 At 2 Ohms
Online Car Stereo
456
Free shipping
$329.95
Alpine - KTP-445A - Power Pack Series 4-Channel 45W RMS X 4 At 2 Ohms
Online Car Stereo
456
$269.95
$274.94
Alpine KTA-450 Car Audio 4 Channel 400W Amp Power Pack Class D Amplifier New
HifiSoundConnection Bing Store
311
Free shipping
$269.95
$274.94
Alpine KTA-450 Car Audio 4 Channel 400W Amp Power Pack Class D Amplifier New
HifiSoundConnection Bing Store
311
$1,185.90
Alpine R Series 4 Channel And Mono Block Amplifier Bundle, R2-A60F & r2-a150m
Creative Audio
$1,185.90
Alpine R Series 4 Channel And Mono Block Amplifier Bundle, R2-A60F & r2-a150m
Creative Audio