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Rockford Fosgate  R2D4-10

Prime R2 Series 10" 500W Peak Power Handling at 4 Ohms, Dual Voice Coil Component Car Subwoofer

Item #27810

Condition:   Brand New

Product Highlights

  • Prime R2 Series
  • 10" Subwoofer
  • 500W Peak Power
  • 4 Ohms Impedance
  • Dual Voice Coil

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
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60 DAYS Price change protection.

$109.99

Reg. Price $144.99  Save $35.00
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  Free 2-Years Warranty Included!
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Rockford Fosgate R2D4-10 Prime R2 Series 10" 500W Peak Power Handling at 4 Ohms, Dual Voice Coil Component Car Subwoofer


We are a Rockford Fosgate authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • (1) 10" Dual 4-ohm voice coil subwoofer
  • • Trim ring
  • • (8) 1-1/8" Allen head screws
  • • 4mm Allen head bit
  • Owner's Manual

 


Why Choose Rockford Fosgate R2D4-10 Component Car Subwoofer?


Rockford Fosgate R2D4-10 Component Car Subwoofer Front View
Everyday Bass That Hits Clean and Hard

The Rockford Fosgate Prime R2D4-10 is built for people who want solid, dependable bass without overcomplicating their setup. With CEA-2031 compliant power handling, it’s designed to take continuous power delivery, so you get tight, controlled low-end that stays consistent even during long listening sessions. No distortion, no falling apart when the volume climbs, just clean bass that feels right every time.

Flexible Wiring for Smarter System Builds

Thanks to its dual 4 Ohm voice coils, the R2D4-10 gives you the freedom to wire it the way your system needs. You can match it to different amplifier configurations depending on whether you’re chasing output or balance. That flexibility makes it easier to build a system that actually works with your setup instead of forcing you into one fixed configuration.

Rockford Fosgate R2D4-10 Component Car Subwoofer Side Profile View
Rockford Fosgate R2D4-10 Component Car Subwoofer Bottom View
Built Tough with Cooling That Keeps It Going

This subwoofer doesn’t just sound good, it’s built to last. The StampCast steel frame keeps everything locked in place for stable, distortion-free movement, even when the bass gets heavy. Inside, the mica-injected polypropylene cone, anodized aluminum voice coil former, and spider venting all work together to manage heat and maintain durability, so it keeps performing strong even when pushed for long periods.

 


Frequently Asked Questions (FAQ)


  • • Why is the bass weaker than expected?
    Check the enclosure, amplifier settings, polarity, and wiring. An incorrect box or weak signal can reduce the overall bass response.
  • • How should I wire the dual voice coils?
    Both coils should be wired correctly. Parallel wiring creates a lower final impedance, while series wiring creates a higher impedance.
  • • What amplifier power should I use?
    Choose an amplifier that matches the subwoofer's RMS rating and final impedance. Set the gain carefully for clean, reliable performance.
  • • Why does it sound weak on deep bass?
    Enclosure volume and tuning affect low-frequency response. Make sure the enclosure is properly designed for the subwoofer's specifications.
  • • Why does the bass distort at higher volume?
    Clipping, excessive gain, or an unsuitable amplifier can cause distortion. Lower the gain and check the amplifier settings.
  • • Can the voice coils be wired to separate amplifier channels?
    Use one suitable amplifier channel and wire both coils for the correct final impedance. This provides more predictable power delivery.
  • • Why does the cone move but produce little bass?
    Check polarity, enclosure sealing, and crossover settings. Incorrect phase or air leaks can greatly reduce low-frequency output.
  • • Why does it make a buzzing or rattling noise?
    Check the mounting hardware, enclosure, terminals, and nearby panels. Loose parts can vibrate when the bass gets stronger.
  • • Why does it get hot when played loudly?
    Some warmth is normal, but excessive heat can indicate overdriving. Lower the gain and volume if the voice coil becomes unusually hot.
  • • What should I check if it suddenly stops working?
    Inspect the amplifier, wiring, terminals, voice coils, and fuse. Verify the audio signal before assuming the subwoofer has failed.

SPECIFICATIONS


  • Diameter : 10 Inch
  • Sensitivity : 85 dB
  • Impedance : 4 Ohm
  • Frequency Response : 45-250 Hz
  • Peak Power Handling : 500 Watts
  • Top Mount Depth : 4-3/8 Inches
  • Shallow Mount : Yes Inch
  • Number of Voice Coils : Dual
  • Suggested Sealed Box Volume : 0.59 Cubic ft.
  • Suggested Ported Box Volume : 1.4 Cubic ft.
  • RMS Power Handling : 250 Watts

FEATURES


Features:

  • Clean Bass Performance with Reliable Stage Power: The Rockford Fosgate Prime R2D4-10 10-inch subwoofer delivers tight and controlled low-frequency output with CEA-2031 compliant power handling, ensuring it can handle continuous demand without distortion or long-term voice coil stress, making it ideal for dependable daily bass performance in car audio systems.
  • Dual 4 Ohm Voice Coil System for Flexible Wiring: Equipped with dual 4Ω voice coils, the R2D4-10 provides multiple wiring options that let you configure your system for different amplifier setups, giving you the flexibility to optimize impedance for either performance output or system compatibility.
  • Rigid StampCast Steel Frame Construction: The heavy-duty StampCast steel basket design adds structural rigidity to reduce flex during high excursion movement, helping maintain accurate cone control and consistent bass response even under demanding listening conditions.
  • Durable Cone Design with Efficient Cooling Support: Featuring a mica injected polypropylene cone combined with an anodized aluminum voice coil former and spider venting system, this subwoofer is engineered to stay cool while delivering stable bass output, ensuring durability and performance during extended listening sessions.

 

Specifications:

  • Size: 10 -inch
  • Impedance (Ohms): 2, 8
  • Cone Material: Mica injected poly
  • Surround Material: Poly-foam
  • Ideal Sealed Box Volume (cubic feet): 0.59
  • Ideal Ported Box Volume (cubic feet): 1.4
  • Port diameter (inches): 4
  • Port length (inches): 13
  • Free-Air: No
  • Dual Voice Coil: Yes
  • Sensitivity: 86.6 dB at 1 watt
  • Frequency Response: 45 - 250 Hz
  • Max RMS Power Handling: 250
  • Peak Power Handling (Watts): 500
  • Top Mount Depth (inches): 4 7/16
  • Bottom Mount Depth (inches): N/A
  • Cutout Diameter or Length (inches): 9 1/16
  • Vas (liters): 39
  • Fs (Hz): 35
  • Qts: 0.53
  • Xmax (millimeters): 6.5
  • UPC: 780687332549
  • Weight: 8.5
  • 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 replacement within 2 Year(s) from the original date of purchase with proper return authorization.

Do you own this product?

Write a review!
  • Loud and lousy, kinda like putting a v6 in a train

    Derek
    6/14/2014

  • I installed two of these in a custom sealed encloser box and i got awesome results! Yes this is a great deal.

    kenny
    6/15/2014

  • Great woofer for home theater system. Bass erupt and walls Shake.

    Rj
    10/14/2014

  • I bought this product as an experiment. I put it in a ported box tuned to 32hz and pushed it with a Kicker mono 250. I was very impressed with the quality and sound that this product has. I would recommend this to anyone.

    Ben
    10/16/2014

  • 10" subs with good performance here.

    Napu
    10/18/2014

  • i have owned a fifteen inch subwoofer and two of these blow that away i have a 1500 watt amp powering two of these in a cheap box i bought off ebay and my truck still shakes apart with them in the bed of it while i sit in the cab sounds just like they are in the cab with me as long as you dont underpower them i believe this is a good subwoofer for any occasion

    Kenneth
    3/1/2015
free installation

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