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Alpine R2-W10D4

2250W Peak (750W RMS) 10" R2-Series Dual 4-ohm Car Subwoofer

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• Peak Power: 2250 watts
• RMS Power: 750 watts
• Impedance: Dual 4 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 5.92"
• Sensitivity: 82.8 dB

Learn more about the r2w10d4
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List price $480.00
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$319.95

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Current Promotions (2 offers)


Get a Free roll of Belva 12 Gauge Speaker Wire. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

Alpine R2-W10D4

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Priced separately $326 94

Promo Savings of $6 99

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Get a Free roll of Belva 16 Gauge Speaker Wire. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

Alpine R2-W10D4

100% off


Priced separately $332 94

Promo Savings of $12 99

Total price:

$319 95

Description


Alpine brand icon

Authorized dealer


Alpine R2-W10D4

Since the Type R platform, Alpine’s R-Series sound system family has been known for its incredible output and reliable performance. Now Alpine introduces the next-generation of sound performance with the 2nd-Gen R-Series Subwoofers with even more bass output. The 2nd-Gen R-Series Subwoofers now feature larger, double-stacked magnets that contribute more motor force for deeper bass and tighter bass control from the subwoofer cone compared to the previous generation. An integrated Faraday ring minimizes distortion for cleaner bass output. A Kevlar-treated cone ensures durability in the subwoofer for reliable performance, even at high volumes.


Product Details:

  • 10" Dual 4 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
  • 123 oz. Double Stacked Ferrite magnet motor structure
  • Frequency Response: 26 - 200 Hz
  • Resonance Frequency (Fs): 32 Hz
  • Sensitivity: 82.8 dB
  • Recommended sealed box volume: .4 cubic feet - .85 cubic feet
  • Recommended ported box volume: .75 cubic feet - 1.3 cubic feet
  • Top-mount depth: 5.92"
  • Cutout diameter: 9.06"
  • Authorized Internet Dealer
  • Subwoofer grille Alpine KTE-10G optional (sold separately)
  • 1-year Manufacturer's Warranty

  • Priced Individually

PDF IconAlpine R2W10D4 owner’s manual

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Alpine R2-W10D4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine R2-W10D4 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-W10D4 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Alpine R2-W10D4 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
R2 Series
Subwoofer Size
10"
Peak Power Handling
2250 watts
RMS Power Handling
750 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Voice Coil Diameter
2.6"
Frequency Response
26 - 200 Hz
Sensitivity
82.8 dB
Xmax (millimeters)
20 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Kevlar Reinforced Pulp Paper
Woofer Surround
High-Amplitude Multi-Roll (HAMR)
Magnet Structure
Double Stacked
Magnet weight
123 oz.
Magnet Type
Ferrite
Subwoofer Grille
Optional (Accessory required and sold separately)
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
.4 cubic feet
Maximum Sealed Box Volume
.85 cubic feet
Minimum Ported Box Volume
.75 cubic feet
Maximum Ported Box Volume
1.3 cubic feet
Top-Mount Depth (Mounting Depth)
5.92"
Cutout Diameter
9.06"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
32 Hz
Equivalent Compliance (Vas)
18.2 liters
Total Speaker Q Value (Qts)
.48
Electrical Q Value (Qes)
.52
Electrical Resistance of Voice Coil (Re)
3.5 ohm
Mechanical Q Value (Qms)
6.50
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Subwoofers
Subwoofer
Mounting screw cover (detached)
Other Accessory #1
10" 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:

R2-W10D4

Weight:

25.00lbs

Internal SKU:

r2w10d4

Internal Product ID:

194409

Customer Ratings & Reviews


Alpine R2-W10D4 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4.4
Features
5
Design
5
Usability
5

Customer Photos & Videos


Customer Reviews

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Guinea pig review

It seems I'm the only one that bought these from here lol, but you get what you pay for. Yes they are pricey but they are equivalent to infinity Kappa 93ix 6x9 in terms of crisp and clean. These subs are great so far, I bought them about 9 months ago and just put them in. So I can't speak on durability but great wire connectors that's included and the overall sound is great. If you have the extra money, I suggest getting it. I have 2 10's with the nvx 2000 watt amp running in my 71 Superbeetle. I was running a single 400 watt 10 inch Memphis sub with a 400 watt kicker amp, he did his thing and will again in the future. I just wanted to go back to duals in the bug. It's been since my college days. Buy it, only if you have the funds.

By Jay on August 3, 2023 Checkmark Icon Verified purchase

25 found this helpful


By Michael on December 4, 2023 Checkmark Icon Verified purchase

18 found this helpful


Great sounding subwoofer

I wanted some better low end in my 24 VW GTI. I also wanted to keep some room in my hatch. This Alpine sub worked out very well. I have it in a .65 cubic foot enclosure that still leaves me plenty of space. It sounds great too. It’s punchy and goes deep. Provides more than enough bass for my needs.

By Juan on June 3, 2026 Checkmark Icon Verified purchase


Great Sub

Very happy with this sub. Durable and able to deliver, sound quality is really good and decent low end for a 10” sub. Would purchase again

By Tommy on May 24, 2025 Checkmark Icon Verified purchase




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