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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
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Description
Rockford-Fosgate Prime R2D4-10Features: 10" Dual 4 ohm Prime Series Subwoofer Power Handling: Peak: 500 watts RMS: 250 watts Recommended power range: 175 300 watts RMS CEA 2031 Compliant Klippel Verified 12 AWG compression terminals Mica injected polypropylene cone Black raised surround Linear spider with 16 AWG woven tinsel leads StampCast basket with integrated spider venting CEA 2031 Compliant accurate power handling rating Designed for use with sealed and vented enclosures
Features:
- 10" Dual 4 ohm Prime Series Subwoofer
- Power Handling:
- Peak: 500 watts
- RMS: 250 watts
- Recommended power range: 175 - 300 watts RMS
- CEA-2031 Compliant
- Klippel Verified
- 12 AWG compression terminals
- Mica-injected polypropylene cone
- Black raised surround
- Linear spider with 16 AWG woven tinsel leads
- StampCast basket with integrated spider venting
- CEA-2031 Compliant accurate power handling rating
- Designed for use with sealed and vented enclosures
- High temperature 2" voice coil
- Integrated PVC trim ring
- Anodized aluminum voice coil former
- Mounting Depth: 4.319"
- Cutout Diameter: 9.125"
- Magnet Weight: 43oz
- Frequency Response: 45 - 250 Hz
- Xmax: 6.5mm
- Sensitivity: 87 dB @ 1 watt / 1 meter
- Recommended Ported Enclosure: 1.40 cubic ft
- Recommended Sealed Enclosure: 0.59 cubic ft
- Matching Amplifiers: (one subwoofer)
- Rockford Fosgate R250X1, Parallel @2ohms
✔ Preferred Match - Rockford Fosgate P300X1, Parallel @2ohms
- Rockford Fosgate PBR500X1, Parallel @2ohms
- Rockford Fosgate P500X1BD, Parallel @2ohms
- Matching Amplifier: (two subwoofers)
- Rockford Fosgate R1200-1D, Series/Parallel @4 ohms
✔ Preferred Match - Rockford Fosgate P500X1, Parallel @1ohm
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Good for wearing with Vibram Fivefinger shoes
Size: 8-10, Color: Black 5 Pairs
They are good, comfy socks that fit well on a size 43 eu (9.5-10 US) foot in medium.
Be aware that these are the same socks that you get when you order Caidenieu toe socks and dozens of other listings as well. So just buy the cheapest ones you can get. They come in the same bag with the same cards and everything. I wear them with my vibram fivefinger shoes very comfortably.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026
★★★★★ 4
Great socks but overly snug
Size: 13-15, Color: Black 5 Pairs
Socks fit great. Very comfortable. The elastic around the ankles gets tight and uncomfortable as the day goes on though. Durable after many washes and they do not shrink. Colors don’t fade. They keep the toes warm and separated, which provides some bunion pain relief.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 28, 2025
★★★★★ 5
Excellent
Size: 13-15, Color: Black 5 Pairs
Excellent product! Feels like gloves for your feet!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 1
Size 8 - 15
Size: 10-12, Color: Black 5 Pairs
These socks were so well reviewed that I didn't quite believe my boyfriend when he said they wouldn't fit his size 11 feet.
So I went and tried them on my own women's size 7 feet and yeah, no. Maybe the arch & heel part could stretch to accommodate his feet (but it would be stretched quite thin) but the toe part is already very snug on my short little toes, there's absolutely no way they'd fit his gangly toes.
So I looked at the package to make sure we hadn't been sent the wrong size, only to see "size 8 - 15" on the barcode. So it turns out it doesn't matter what size you pick, this is a one size fits all situation, and that size does not fit the long toes of a tall man's size 11 feet
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Reviewed in the United States on March 22, 2026
★★★★★ 3
Quality not as expected
Size: 10-12, Color: Black 5 Pairs
Upon opening the socks looked all right they fit well, but I questioned the durability. Unfortunately, within a few weeks, the stitching started to separate and now their are holes in most of the socks rendering them useless.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 27, 2025
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