Alpine R2-W10D4 R-Series 10" 750W RMS (2250W Peak Power Handling) 4 Ohm, Dual Voice Coil Car Subwoofer
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What's Inside?
- • (1) 10" Dual 4-ohm voice coil subwoofer
- • Plastic trim ring
- • (2) 4.5" jumper wires (each wire has a single banana connector on both ends)
- • Application guide (English/ French)
- • On-line product registration information
- • Warranty information (English/ French)
- • Important Notice (English /French)
- • Owner's Manual
Why Choose Alpine R2-W10D4 Component Car Subwoofer?
Exceptional Bass Accuracy
Dreaming of the next generational subwoofer to install in your car audio system, the Alpine R2-W10D4, which belongs to Alpine's newly updated R-Series subwoofers known for exceptional bass accuracy, power output, and reliability, is an excellent option you should look into.
Alpine's High Amplitude Multi-roll Surround
The Alpine R2-W10D4 comes with a Kevlar-treated cone giving the subwoofer the durability necessary to produce high-quality bass at loud volumes for extended periods. It also has Alpine's High Amplitude Multi-Roll surround, which allows the cone to perform at a maximum level while having excellent thermal efficiency.
Massive Double-stacked Magnets
Its new motor structure comes with massive double-stacked magnets allowing the subwoofer to produce an extensive low-frequency response and more solid bass control. All R-Series subwoofers, including the Alpine R2-W10D4, come with dual voice coils with many configurations, making them flexible in many subwoofer applications.
Problems Performing Heart-pounding Bass
The Alpine R2-W10D4 is a subwoofer with a power output of 750 Watts RMS and 2,250 Watts peak power at 4 ohms. This 10-inch subwoofer has a sensitivity rate of 82.8 dB and a frequency response of 26 up to 200 Hz, which tells it all that this subwoofer won't have any problems performing heart-pounding bass tracks at loud volume levels.
Frequently Asked Questions (FAQ)
- • What type of enclosure produces the best sound quality for this subwoofer?
The subwoofer performs exceptionally well in both sealed and ported enclosures when built to the recommended specifications. Selecting the proper enclosure size allows it to deliver tighter bass or higher output depending on your listening preference.
- • Why does the bass sound muddy instead of clean and punchy?
This is often caused by incorrect crossover settings, improper enclosure design, or poor amplifier tuning. Adjusting the crossover frequency and properly tuning the amplifier usually restores clean, accurate bass.
- • Can I wire the dual voice coils for different impedance loads?
Yes, the dual 4-ohm voice coil design offers multiple wiring configurations depending on your amplifier's requirements. Following the recommended wiring diagrams helps maximize both performance and amplifier safety.
- • Why does the amplifier go into protection mode when the bass gets loud?
This usually happens because of an incorrect speaker load, overheating, or wiring issues. Verifying the voice coil wiring and ensuring proper amplifier ventilation typically resolves the problem.
- • How much amplifier power should I use with this subwoofer?
For the best results, pair it with an amplifier that closely matches its recommended RMS power rating. Properly matching the amplifier helps achieve maximum output while protecting the subwoofer from unnecessary stress.
- • Why does the cone make a clicking or popping noise during heavy bass notes?
This may indicate amplifier clipping, excessive excursion, or an enclosure that is not built to the recommended specifications. Reducing the gain and confirming the enclosure design usually eliminates the unwanted noise.
- • Can I install two of these subwoofers in the same audio system?
Yes, many enthusiasts install a pair for higher output and improved bass distribution throughout the vehicle. Just make sure your amplifier and electrical system are capable of supporting the additional power requirements.
- • Does this subwoofer require a break-in period before reaching its full performance?
Yes, many users notice smoother response and deeper bass after several hours of moderate listening. Allowing the suspension to loosen naturally helps the subwoofer perform as intended.
Learn how to wire subwoofers

- Diameter : 10 Inch
- Sensitivity : 82.3 dB
- Impedance : 4 Ohm
- Frequency Response : 26-200 Hz
- Peak Power Handling : 2250 Watts
- Number of Voice Coils : Dual
- Suggested Sealed Box Volume : 1.3 Cubic ft.
- Suggested Ported Box Volume : .85 Cubic ft.
- Mounting Depth : 5.92 Inches
- RMS Power Handling : 750 Watts
- Free Air : Yes
Features:
- Dual Voice Coil Design: Flexible DVC configuration with included jumper wires for multiple wiring options.
- Cone Construction: Kevlar-reinforced pulp cone with a rigid polypropylene/ceramic dust cap for clean, accurate bass.
- Surround Technology: High-Amplitude Multi-Roll (H.A.M.R.) surround for extended excursion and precise control.
- Motor Structure: Large double-stacked magnets provide powerful, deep low-frequency output with minimal distortion.
- Grille Mount System: Twist-lock grille-ready design ensures secure fitment and a sleek aesthetic.
Specifications:
- Size: 10-inch
- Impedance (Ohms): 2, 8
- Cone Material: Kevlar Reinforced Paper
- Surround Material: Santoprene Rubber
- Basket Material: Aluminum
- Grille: None included
- Free-Air: No
- Dual Voice Coil: Yes
- Sensitivity: 82.8 dB at 1 watt
- Frequency Response: 26 - 200 Hz
- Max RMS Power Handling: 750 W
- Peak Power Handling (Watts): 2250 W
- Top Mount Depth (inches): 6
- Bottom Mount Depth (inches): N/A
- Cutout Diameter or Length (inches): 9 1/8
- Frame Width: 10.456
- Frame Length: 10.456
- Vas (liters): 18.2
- Fs (Hz): 32
- Qts: 0.48
- Xmax (millimeters): 20
- UPC: 0793276040527
- Weight: 8
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.
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I'm obsessed with my new subwoofer! It delivers clean, crisp, and powerful bass that's truly impressive. I'm currently running it on a 300-watt Kicker amp, and it sounds absolutely amazing. I can't believe how good it sounds, especially for the price. If you're looking for a subwoofer that will blow your mind, I highly recommend this one.
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Had to replace my 10- yr old sub with this one and I'm pretty ecstatic with it. Just the thumping bass I'm looking for. If you're looking for some serious bass, this would be the way to go
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Very clear bass at high volume level. Excellent product from Alpine
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More bass than I'm looking for in a sub ! Had to tone them down, but I really love the performance. Just all what I need and more.