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Alpine R2-W8D4

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from $211.95 up to $499.90 
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Alpine R2-W8D4
R series
Application area
car
Design
without body
Type
passive
Size
8" (20 cm)
Rated power
350 W
Max. power
1000 W / Peak /
Frequency range
30 – 200 Hz
Sensitivity
84 dB
Dual voice coil
Impedance
4 ohm / single coil /
Diffuser material
composite
Material
aluminium
Woofer Diameter
176 mm
Woofer depth
118 mm
Added to E-Catalog
july 2023
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Alpine 2025 - new arrivals, bestsellers, and the most relevant models Alpine.

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Alpine R2-W8D4 8" R-Series R2 Subwoofer Dual 4-Ohm 350 Watt RMS

Dual Voice Coil (DVC) Subwoofers with Configuration Jumpers Push-Type Speaker Terminals (Up to 8AWG Wire Size) Polypropylene/Ceramic Composite Dust Cap Kevlar Reinforced Pulp Cone High-Performance subwoofers Twist-Lock Grille Mount System
Amazon.com
Delivery: in USA
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$249.95
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Alpine - R-Series 8" Dual Voice Coil 4-Ohm Subwoofer - Black R2-W8D4

The new design and enhanced performance of the R2-Series subwoofers offer deeper bass and tighter bass control compared to the previous generation. Updates to the new generation include larger, double-stacked magnets, an integrated Faraday ring, and a Kevlar-treated cone. All of these updates equal unmatched durability and reliable performance, eve... moren at high volumes. The R2-W8D4 handles up to 350 watts RMS, so it's ready for your high-powered amp. Its dual oversized 4-ohm voice coils offer wiring flexibility for multiple subwoofer setups. Since it works well in sealed or ported enclosures you'll enjoy your music the way you like to hear it.
BestBuy.com
Delivery: in USA
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$249.99
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Alpine Alpine R-Series 8" Dual 4-Ohm Mobile Subwoofer (2nd Gen.) R2-W8D4

350W RMS/1000W Peak Power Handling/ Dual 4-Ohm Impedance/ Push-Type Speaker Terminals (Up To 8AWG Wire Size)/ Oversized Dust Cap/ 30Hz-200Hz Frequency Response/ 56oz Magnet Weight/ CTA-2031 Compliant/ Black Finish
Abt.com
Delivery: USA
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$211.95
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Alpine R2-W8D4 8" R-Series Sub w/ S2-A60M Mono Amp Bundle alpinebdl250113-21

This bundle includes an Alpine R2-W8D4 8" R-Series "R2" Subwoofer and an Alpine S2-A60M S-Series Class-D Mono Subwoofer Amplifier. Enhanced bass performance with a new motor structure for accurate and authoritative sound. Subwoofer features HAMR Surround Technology for increased accuracy and cool operation. Amplifier offers high-power output in... morea compact design, suitable for various vehicles. Features include adjustable low-pass crossover, thermal management control, and remote bass control option.
Amazon.com
Delivery: in USA
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$499.90
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Series Alpine R series
Alpine R2-W12D2
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Alpine 30MC
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Alpine R2-W12D4
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passive, 12" (30 cm), 750 W, 24 – 200 Hz, 4 ohm, 82 dB, no enclosure
Alpine R-S65C
from $199.95 
component, bands: 2, 6.5" (16.5 cm), installation depth 59 mm, 100 W, 65 – 29000 Hz, 4 Ohm, 88 dB, crossover
Alpine R2-W8D4
from $211.95 
passive, 8" (20 cm), 350 W, 30 – 200 Hz, 4 ohm, 84 dB, no enclosure
Alpine R-S69
from $134.95 
coaxial, bands: 2, 6x9" (15x23 cm), installation depth 75 mm, 100 W, 65 – 29000 Hz, 4 Ohm, 88 dB
Alpine R2-W8D2
from $211.95 
passive, 8" (20 cm), 350 W, 30 – 200 Hz, 2 ohm, 84 dB, no enclosure
Alpine R-S69C.2
from $169.95 
component, bands: 2, 6x9" (15x23 cm), installation depth 75 mm, 100 W, 65 – 40000 Hz, 4 Ohm, 90 dB
Alpine R2-SB12V
from $508.95 
passive, 12" (30 cm), 750 W, 24 – 200 Hz, 4 ohm, 84 dB, bass-reflex
Alpine R-S68
from $329.99 
coaxial, bands: 2, 6x8" (15x20 cm), 100 W, 63 – 29000 Hz, 4 Ohm, 89 dB
Alpine R2-SB10V
from $423.95 
passive, 10" (25 cm), 750 W, 26 – 200 Hz, 4 ohm, 84 dB, bass-reflex
Alpine R2-S653
from $508.95 
component, bands: 3, 6.5" (16.5 cm), installation depth 63 mm, 100 W, 65 – 40000 Hz, 4 Ohm, 88 dB, crossover
Alpine R2-DB8V-TRK
from $1,274.99 
passive, 8" (20 cm), 750 W, 32 – 200 Hz, 4 ohm, 84 dB, sealed box, 2 speakers
Alpine R2-S652
from $338.95 
component, bands: 2, 6.5" (16.5 cm), installation depth 63 mm, 100 W, 65 – 40000 Hz, 4 Ohm, 88 dB, crossover
Alpine R-W10D2
from $219.95 
passive, 10" (25 cm), 750 W, 26 – 200 Hz, 2 ohm, 82 dB, no enclosure
Alpine R2-S65C
from $296.95 
component, bands: 2, 6.5" (16.5 cm), installation depth 63 mm, 100 W, 65 – 40000 Hz, 4 Ohm, 88 dB, crossover
Alpine R-W10D4
from $219.95 
passive, 10" (25 cm), 750 W, 26 – 200 Hz, 4 ohm, 82 dB, no enclosure
Alpine R2-S69C
from $321.95 
component, bands: 2, 6x9" (15x23 cm), installation depth 76 mm, 100 W, 65 – 40000 Hz, 4 Ohm, 88 dB, crossover
Alpine R-W12D2
from $229.95 
passive, 12" (30 cm), 750 W, 24 – 200 Hz, 2 ohm, 84 dB, no enclosure
Alpine R2-S69
from $279.95 
coaxial, bands: 2, 6x9" (15x23 cm), installation depth 76 mm, 100 W, 65 – 40000 Hz, 4 Ohm, 88 dB
Video reviews
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Rockford Fosgate R2D2-10
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