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  5. Alpine R2-W8D4

Alpine R2-W8D4 2nd Gen

1000W Peak (350W RMS) 8" R-Series Dual 4-Ohm Car Subwoofer

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• Peak Power: 1000 watts
• RMS Power: 350 watts
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (H.A.M.R) Surround
• Impedance: Dual 4 ohms
• Mount depth: 4.38"
• Sensitivity: 83.7 dB

Learn more about the r2w8d4
Was $280.00 Details
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$249.95

 with warranty

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Description

Alpine

Authorized dealer

Product Details:

  • 8" Dual 4 ohms Type-R Series Subwoofer
  • Power Handling:
    • Peak: 1000 watts
    • RMS: 350 watts
  • Kevlar Reinforced Pulp Paper Cone
  • High-Amplitude Multi-Roll (H.A.M.R) Surround
  • Push-Type Speaker Terminals (Up To 8AWG Wire Size)
  • Oversized Dust Cap
  • 1.6" High Temperature Voice coil
  • 12 mm Xmax
  • 56 oz. Double Stacked magnet motor structure
  • Frequency Response: 30 - 200 Hz
  • Resonance Frequency (Fs): 43 Hz
  • Sensitivity: 83.7 dB
  • Sealed box volume: .15 cubic feet
  • Ported box volume: .35 cubic feet
  • Top-mount depth: 4.38"
  • Cutout diameter: 6.94"
  • Authorized Internet Dealer
  • Protective subwoofer grille: Optional (Accessory required and sold separately)
  • 1-year Manufacturer's Warranty

Priced Individually

Subwoofer Wiring Guide

Wiring Guide to Wire 1 Alpine R2-W8D4 2nd Gen Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine R2-W8D4 2nd Gen Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Alpine R2-W8D4 2nd Gen Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Alpine R2-W8D4 2nd Gen Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details

Subwoofer Specifications
Series
Type-R Series
Subwoofer Size
8"
Peak Power Handling
1000 watts
RMS Power Handling
350 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohms
Voice Coil Diameter
1.6"
Frequency Response
30 - 200 Hz
Sensitivity
83.7 dB
Xmax (millimeters)
12 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Kevlar Reinforced Pulp Paper
Woofer Surround
High-Amplitude Multi-Roll (H.A.M.R)
Magnet Structure
Double Stacked
Magnet weight
56 oz.
Subwoofer Grille
Optional (Accessory required and sold separately)
Re-Cone Kit Available
No
CTA-2031 Compliant
Yes
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
.15 cubic feet
Maximum Sealed Box Volume
.45 cubic feet
Minimum Ported Box Volume
.35 cubic feet
Maximum Ported Box Volume
.70 cubic feet
Top-Mount Depth (Mounting Depth)
4.38"
Cutout Diameter
6.94"
Shallow Mount Installation
No
Electromechanical Parameters
Free-Air Resonance (Fs)
43 Hz
Equivalent Compliance (Vas)
10.5 liters
Total Speaker Q Value (Qts)
0.53
Electrical Q Value (Qes)
0.58
Electrical Resistance of Voice Coil (Re)
3.6 ohms
Mechanical Q Value (Qms)
7.08
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Subwoofers
Subwoofer
Mounting screw cover (detached)
See below for additional accessories
Other Accessory #1
2 x 24" Length Speaker wire with female spade terminals
Other Accessory #2
16 x Coarse wood screws 1 5/8" length (Phillips head)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details

Manufacturer:

Alpine

Model Number:

R2-W8D4

Weight:

22.50lbs

Internal SKU:

r2w8d4

Internal Product ID:

194403

Customer Ratings & Reviews

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› Alpine › Alpine 8" Car Subwoofers › 8" Car Subwoofers under $300
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