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Alpine R2-W12D2 - Pair

2250W Peak (750W RMS) 12" R2-Series Dual 2-ohm Car Subwoofer

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• Peak Power: 2250 watts
• RMS Power: 750 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 6.43"
• Sensitivity: 85 dB

Learn more about the r2w12d2_2
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List price $1080.00
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Description


Alpine brand icon

Authorized dealer

Alpine R2-W12D2

2250W Peak (750W RMS) 12" R2-Series Dual 2-ohm Car Subwoofer
Quantity: 2

Product Details:

  • 12" Dual 2 ohm R2 Series Subwoofer
  • Power Handling:
    • Peak: 2250 watts
    • RMS: 750 watts
  • Kevlar Reinforced Pulp Paper Cone
  • High-Amplitude Multi-Roll (HAMR) Surround
  • 2.6" High Temperature Voice coil
  • 20 mm Xmax
  • 144 oz. Double Stacked magnet motor structure
  • Frequency Response: 24 - 200 Hz
  • Resonance Frequency (Fs): 29 Hz
  • Sensitivity: 85 dB
  • Recommended sealed box volume: .55 cubic feet - 1.0 cubic feet
  • Recommended ported box volume: 1.0 cubic feet - 1.5 cubic feet
  • Top-mount depth: 6.43"
  • Cutout diameter: 10.83"
  • Authorized Internet Dealer
  • Subwoofer grille Alpine KTE-12G optional (sold separately)
  • 1-year Manufacturer's Warranty

  • Priced Individually

PDF IconAlpine R2W12D2 owner’s manual

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Alpine R2-W12D2 - Pair Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine R2-W12D2 - Pair Subwoofers

Mono Amp

2 Channel Amp

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Wiring Guide to Wire 3 Alpine R2-W12D2 - Pair Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

Wiring Guide to Wire 4 Alpine R2-W12D2 - Pair Subwoofers

2 Channel Amp

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
R2 Series
Subwoofer Size
12"
Peak Power Handling
2250 watts
RMS Power Handling
750 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
2 ohm
Voice Coil Diameter
2.6"
Frequency Response
24 - 200 Hz
Sensitivity
85 dB
Xmax (millimeters)
20 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Dark Gray
Woofer Composition
Kevlar Reinforced Pulp Paper
Woofer Surround
High-Amplitude Multi-Roll (HAMR)
Magnet Structure
Double Stacked
Magnet weight
144 oz.
Subwoofer Grille
Optional (Accessory required and sold separately)
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
.55 cubic feet
Maximum Sealed Box Volume
1.0 cubic feet
Minimum Ported Box Volume
1.0 cubic feet
Maximum Ported Box Volume
1.5 cubic feet
Top-Mount Depth (Mounting Depth)
6.43"
Cutout Diameter
10.83"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
29 Hz
Equivalent Compliance (Vas)
36.9 liters
Total Speaker Q Value (Qts)
.41
Electrical Q Value (Qes)
.44
Electrical Resistance of Voice Coil (Re)
1.9 ohm
Mechanical Q Value (Qms)
6.32
What is in the box?
Paperwork
User manual
WITB: Subwoofers
Subwoofer
Other Accessory #1
12" R2-Series DVC Subwoofer with Cosmetic Trim Ring
Other Accessory #2
2 Jumper Wires for DVC Configuration,
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

R2W12D2_2

Weight:

30.00lbs

Internal SKU:

r2w12d2_2

Internal Product ID:

230362

Customer Ratings & Reviews


Alpine R2-W12D2 - Pair thumbnail image

5 star
67%
4 star
33%
3 star
0%
2 star
0%
1 star
0%



Durability
4.6
Value
4.4
Features
4.4
Design
4.6
Usability
4.6

Customer Reviews

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The following review is for R2-W12D2, which is a part of the bundle you are viewing.
By Cole on February 25, 2023 Checkmark Icon Verified purchase

26 found this helpful


Amazing

The following review is for R2-W12D2, which is a part of the bundle you are viewing.

Great power would buy again

By Caleb on May 30, 2024 Checkmark Icon Verified purchase

4 found this helpful


Perfect sub

The following review is for R2-W12D2, which is a part of the bundle you are viewing.

Great mix of loud and sound quality.

By Frank on February 6, 2026 Checkmark Icon Verified purchase


Amazing Subwoofers

The following review is for R2-W12D2, which is a part of the bundle you are viewing.

These R2 12s are amazing. Sonic Electronix is awesome as always, great products and great service.

By Adam on November 26, 2025 Checkmark Icon Verified purchase
2021 Chevrolet Silverado 1500


The following review is for R2-W12D2, which is a part of the bundle you are viewing.
By Derek on October 30, 2025 Checkmark Icon Verified purchase


The following review is for R2-W12D2, which is a part of the bundle you are viewing.
By Alfredo on April 15, 2025 Checkmark Icon Verified purchase




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