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Rockford Fosgate  R2SD4-10 On Sale

Prime R2 Series 10" 400W Peak Power Handling at 4 Ohm, Dual Voice Coil Shallow Mount Car Subwoofer

Item #35108

Condition:   Brand New

Product Highlights

  • Prime R2 Series
  • 10" Subwoofer
  • 400W Peak Power
  • 4 Ohm Dual Voice Coil
  • Shallow Mount Design

  Free 2-Years Warranty Included!
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$139.99

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Rockford Fosgate R2SD4-10 Prime R2 Series 10" 400W Peak Power Handling at 4 Ohm, Dual Voice Coil Shallow Mount 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) shallow-mount 10" Dual 2-ohm voice coil woofer
  • • Trim ring
  • • (8) 1-1/8" Self-tapping screws
  • • 4mm Allen head bit
  • Owner's Manual
Big Bass in Tight Spaces Made Easy

The Rockford Fosgate R2SD4-10 is perfect if you want strong bass but do not have a lot of room to work with. Its shallow mount design with a reduced-depth motor lets it fit in compact enclosures and tight spots without killing performance. You still get that solid low-end punch, just in a setup that actually works for smaller vehicles or hidden installs.

Wiring Freedom That Matches Your System Goals

One of the best things about this sub is the dual 4-ohm voice coil setup that gives you real flexibility when building your system. You can wire it down to 2 ohms for more power or go up to 8 ohms depending on what your amplifier needs. That means you are not locked into one setup, you can actually tune your system the way you want it to perform.

Clean Power Transfer and Reliable Performance

Rockford Fosgate made sure this sub stays stable and consistent even when you are pushing it. The nickel plated spring post terminals and integrated tinsel leads give you a secure connection so your signal stays clean. It is built to handle daily use, so whether you are blasting music on weekends or commuting every day, it keeps up without falling apart.

Strong Bass Output in a Compact Package

Even though it is shallow, this sub still delivers real bass impact that you can feel. It is designed to give you tight and controlled low frequencies, making it great for sealed boxes if you want accuracy or vented setups if you want more output. Add in its durable build and Rockford engineering, and you get a sub that is small in size but serious in performance.


SPECIFICATIONS


  • Diameter : 10 Inch
  • Sensitivity : 83 dB
  • Impedance : 4 Ohm
  • Frequency Response : 38-250 Hz
  • Peak Power Handling : 400 Watts
  • Top Mount Depth : 3-7/16 Inches
  • Shallow Mount : Yes Inch
  • Number of Voice Coils : Dual
  • Suggested Sealed Box Volume : 0.7 Cubic ft.
  • Suggested Ported Box Volume : 1.4 Cubic ft.
  • RMS Power Handling : 200 Watts

FEATURES


Features:

  • Space-Saving Shallow Mount Engineering: The Rockford Fosgate R2SD4-10 is designed with a reduced-depth motor structure, allowing installation in tight spaces and compact enclosures without sacrificing meaningful low-frequency performance.
  • Dual 4-Ohm Voice Coil Configuration Flexibility: Featuring dual 4-ohm voice coils, this subwoofer supports versatile wiring options, enabling either a 2-ohm or 8-ohm final load for better amplifier matching and system optimization.
  • High-Current Nickel Plated Terminal System: Equipped with spring post compression terminals and integrated 16-gauge stitched tinsel leads, the design ensures secure connectivity and stable signal transfer for consistent audio output.
  • Efficient Power Handling for Everyday Performance: Engineered for dependable operation under continuous use, the subwoofer delivers reliable bass response while maintaining thermal and mechanical stability in real-world listening conditions.
  • Compact High-Output Bass Delivery Design: Despite its shallow profile, the R2SD4-10 is built to produce strong and controlled low-frequency output, making it ideal for systems where space is limited but bass impact is still a priority.
  • Optimized Sealed Enclosure Performance Tuning: Designed for sealed box applications with a recommended internal volume of 0.7 cubic feet, delivering tight, accurate bass reproduction suitable for a wide range of music styles.
  • Enhanced Ported Enclosure Efficiency Option: Supports vented enclosure setups with a tuned design that increases output efficiency, allowing stronger bass performance when paired with lower-powered amplifier systems.
  • Durable Construction for Long-Term Reliability: Built with Rockford Fosgate engineering standards, the subwoofer maintains structural integrity under repeated use, ensuring consistent performance over time.

 

Specifications:

  • Size: 10 -inch
  • Impedance (Ohms): 2, 8
  • Cone Material: Mica injected Poly
  • Surround Material: Poly-Foam
  • Ideal Sealed Box Volume (cubic feet): 0.7
  • Ideal Ported Box Volume (cubic feet): 1.4
  • Port diameter (inches): 4
  • Port length (inches): 13.7
  • Free-Air: No
  • Dual Voice Coil: Yes
  • Sensitivity: 83 dB at 1 watt
  • Frequency Response: 38 - 250 Hz
  • Max RMS Power Handling: 200
  • Peak Power Handling (Watts): 400
  • Top Mount Depth (inches): 3 7/16
  • Bottom Mount Depth (inches): N/A
  • Cutout Diameter or Length (inches): 9 1/16
  • Vas (liters): 21.7
  • Fs (Hz): 38.1
  • Qts: 0.73
  • Xmax (millimeters): 8
  • UPC: 780687339814
  • Weight: 10
  • 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!
  • Purchased for the "low profile" depth for limited space installation. The difference in regular depth subs vs. this sub isn't all that significant, but it was enough to properly fit the box. Sound quality is pretty decent, but probably is better in a ported vs. sealed box. Solid subwoofer for the price. No real complaints.

    John G
    10/7/2023

  • My friend made a custom box for my subwoofer and it's really tuned well that it really improved how the sub performs. its a shallow sub so my the box was also not that huge and allows me to save more space

    Bennett H.
    6/12/2024
free installation

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