Rockford Fosgate R2D4-10 with Ported Enclosure

500W Max (250W RMS) 10" Prime Stage 2 Dual 4-ohm Subwoofer


• Peak Power: 500W
• RMS Power: 250W
• Mica Injected Polypropylene Cone
• StampCast Basket
• Anodized Aluminum Voice Coil Former
• Frequency Response: 45-250 Hz
• Includes Ported Enclosure

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Eliminate Entry Level and Go Straight to Prime

Sonic Electronix is now carrying the brand new line of Rockford Fosgate Prime Series Car Audio Subwoofers. The R2D4-10 10" subwoofer has a peak power rating of 500 watts and a continuous RMS power rating of 250 watts. This makes this an ideal subwoofer for anyone looking to add some bass to their car audio system. Equipped with anodized aluminum voice coil formers for extreme heat dissipation, will allow this sub to perform at optimum level during long hard hitting sessions. Perfect for sealed or ported enclosures the R2D4-10 is the way to go when looking for Prime performance with an affordable price tag.

Anodized Aluminum Voice Coil Former

Anodized Aluminum Voice Coil Former

By using an anodized aluminum voice coil former on their subwoofers, Rockford Fosgate is able to dissipate heat from the voice coil more efficiently. A hot voice coil can melt the adhesive bonds, which will lead to eventual subwoofer failure. The aluminum voice coil former acts as a heat-sink to dissipate thermal build-up on the voice coil cool during high SPL conditions.

CEA-2031 Rockford Fosgate Subwoofers

Conforms to CEA-2031

Rockford Fosgate has built this subwoofer to conform to the CEA-2031 loudspeaker power handling industry standards. This means that you can trust the subwoofer to have the capacity to safely handle the continuous (RMS) power rating. Having a CEA-2031 power handling is important when matching a subwoofer to an amplifier because the power ratings are accurate.

Rockford Fosgate Stitched Tinsel Leads

Stitched Tinsel Leads

To improve the reliability and performance by reducing fatigue and possible shorting, Rockford Fosgate has stitched the tinsel leads to the spider. The multipoint periodic stitching lead wires reduce the mass of the tinsel leads to spread the stress over a greater area. This improves the reliability and performance of the subwoofer.

Rockford Fosgate Prime R2D4-10

500W Peak (250W RMS) 10" Prime R2 Series Dual 4-ohm Subwoofer
Quantity: 1

Product Details:

  • 10" Dual 4 ohms Prime R2 Series Subwoofer
  • Power Handling:
    • Peak: 500 watts
    • RMS: 250 watts
  • Mica Injected Polypropylene - MIPP Cone
  • Poly-Foam Surround
  • Linear spider with embedded 16 AWG tinsel leads
  • 12 AWG compression terminals
  • StampCast basket with integrated spider venting
  • 2" High Temperature Aluminum Voice coil
  • 6.5 mm Xmax
  • Double Stacked Ferrite magnet motor structure
  • Frequency Response: 45 - 250 Hz
  • Resonance Frequency (Fs): 34.9 Hz
  • Sensitivity: 87 dB
  • Recommended sealed box volume: 0.5 cubic feet - 0.76 cubic feet
  • Recommended ported box volume: 1.40 cubic feet
  • Top-mount depth: 4.319"
  • Cutout diameter: 9.125"
  • CTA-2031 Compliant
  • Authorized Internet Dealer
  • Does not include protective subwoofer grille
  • 1-year Manufacturer's Warranty

  • Priced Individually

Atrend 10SQV

10" Single Pro Series Vented Subwoofer Enclosure
Quantity: 1


General Features:

  • 10" Single Pro Series Vented Subwoofer Enclosure
  • Made in the USA
  • Completely miter and dado end panels
  • Premium carpeted finish
  • Silver spring loaded terminal cups
  • 3/4" MDF construction
  • Glued and braced with fasteners
  • Total box volume: 1.25 cubic feet
  • Dimensions: 17"D x 16-1/4"W x 12-1/4"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Specifications & Details

Subwoofer Specifications
Prime R2 Series
Subwoofer Size
RMS Power Handling
250 watts
Peak Power Handling
500 watts
Woofer Composition
Mica Injected Polypropylene - MIPP
87 dB
Frequency Response
45 - 250 Hz
Subwoofer Design
Round / Circle
Enclosure Specifications
Box Type
Number of Subwoofers
Box Style/Shape
Wood Thickness
Number of Terminals
Terminal Type
Spring posts (banana clip ready)
Box Exterior Color
Box Finish
Second Width
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


Model Number:

R2D4-10, 10SQV



Internal SKU:


Internal Product ID:


Customer Ratings & Reviews

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Customer Reviews

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very well built

The following review is for 10SQV, which is a part of the bundle you are viewing.

It is a very well built and nice looking box and it makes the sub sound amazing very good box for the money.

By keven on January 20, 2015


found this helpful.

Great sound

The following review is for R2D4-10, which is a part of the bundle you are viewing.

Best sub I've used. Have tried infinity, alpine, crunch, and some off brands in the same price range. This one sounds way better. Deeper and louder. Very tight, crisp. In a 1.1 cu. Box. 500 watt amp

By Mark on June 8, 2015 Checkmark Icon Verified purchase


found this helpful.

Crisp & Breathtaking Bass

The following review is for R2D4-10, which is a part of the bundle you are viewing.

Paired up with my Boss R1100M and Belva MDFS10, this makes the best single sub setup for the money! Bass is perfect and not overwhelming like my 2 12s were. Very smooth bass. 100% recommend. This is in my daily driven car and I've been running it for a while. Rockford Fosgate

By Franklin on September 7, 2014


found this helpful.

Very good sub

The following review is for R2D4-10, which is a part of the bundle you are viewing.

These subs hit nice with the right power also in a ported box. You can max these out too with sound. Nice and gives you the sound quality you want.

By Johnny on December 27, 2012


found this helpful.

Good Entry Level Sub

The following review is for R2D4-10, which is a part of the bundle you are viewing.

I always build my boxes myself never buy prefabs. I built a box sealed at .8 and the sub sounded really well for $50. Rockford did a good job with this one. Definitely fills up a 1998 mustang. I just ran one and it's lasted well for two years now run on a 200 watt amp. I would buy again if on a budget.

By Scott V on October 22, 2014


found this helpful.

F150 Supercrew

The following review is for R2D4-10, which is a part of the bundle you are viewing.

I was looking to put some bass into the sound system I was building for the truck. As I have gotten older I was wanting a good SQ set up. I chose this sub for its value, wattage handling, & the dvc. I built the box and got it powered using a channel amp and it has delivered. I cannot comment on the durability as I have only had it a month but so far so good.

By Mike on March 9, 2014


found this helpful.

nice loud sub

The following review is for R2D4-10, which is a part of the bundle you are viewing.

I have one of these in a custom ported box tuned at 40hz powered by a boss 1100 watt amp. Im giving it 250w rms and it sounds great at lower volumes. When I really crank it up I can hear it outside the truck and it rattles body panels, but it dont have as nice sound quality at higher volumes. Overall its a good sub and the price is great.

By Randy on January 2, 2013


found this helpful.

Great box at a great price

The following review is for 10SQV, which is a part of the bundle you are viewing.

Excellent box quality wise and is a perfect match for my
Rockford Fosgate Punch P3D2-10.. this thing slams ..

By Anonymous on February 28, 2019 Checkmark Icon Verified purchase


found this helpful.

Well built boxes. No way you could build for the price. Materials alone would cost the same, not to mention the time. And they look good too. Thanks!

The following review is for 10SQV, which is a part of the bundle you are viewing.

I would buy these again. The price is very reasonable and Sonic got me them super fast.

By Anonymous on July 30, 2018


found this helpful.

Good Value

The following review is for R2D4-10, which is a part of the bundle you are viewing.

This sub sounds great. After roughly 15-20 hours of break in time it really starts to shine. It's in the back of my crew cab Tundra in a passive box tuned to 34 Hz with a Dayton Audio 10" passive radiator. It's feeding off of a RF 300.1 and after breaking it in it keeps up with the amps power. I have bottomed it out before during a torture test but the voicecoil definitely handled every bit. The duel voicecoil is nice too for extra wiring options.

By Kyle on October 10, 2011


found this helpful.


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