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Variants
A compact sealed 12" that delivers tight, clean bass and fits under many rear seats easily — good entry-level value and straightforward install. Several reviewers, however, reported premature failures or blown drivers when driven hard or with very bass-heavy music.
Buyer confidence
80%Highlights
- High current binding posts
- Constructed with 5/8" MDF
- 1 Year Warranty
- Covered with high density carpet
Key specs
Full specs- Nominal Impedance (ea)
- 2-Ohm Internally wired to create a 2-Ohm amplifier load
- Power Handling (Watts RMS)
- 250 Watts RMS 500 Watts Max
- Enclosure Type
- Shallow
- Woofer Quantity
- 1
- Woofer Size
- 12"
- Woofer Series
- Prime R2 Shallow (R2SD4-12)
- Speaker Connector
- Up to 12 AWG Compression Terminals
- DimensionsBox (H x W x D)Wedge (H x W x D1 x D2)
- 13.5" x 27.375" x 5.25" (bottom) x 3.25" (top) 34.29cm x 69.53cm x 13.34cm (bottom) x 3.25cm (top)
Key specs
Full specs- Nominal Impedance (ea)
- 2-Ohm Internally wired to create a 2-Ohm amplifier load
- Power Handling (Watts RMS)
- 250 Watts RMS 500 Watts Max
- Enclosure Type
- Shallow
- Woofer Quantity
- 1
Highlights
Overview- High current binding posts
- Constructed with 5/8" MDF
- 1 Year Warranty
Review highlights
Based on customer reviewsPunchy shallow 12" sub — fits tight truck spaces, but some reliability reports
A compact sealed 12" that delivers tight, clean bass and fits under many rear seats easily — good entry-level value and straightforward install. Several reviewers, however, reported premature failures or blown drivers when driven hard or with very bass-heavy music.
What buyers praise
- Tight, punchy bass response noted by multiple owners
- Shallow enclosure fits under rear seats in many trucks
What to watch for
- Several reviewers reported early failures or blown drivers when pushed hard — durability appears inconsistent under heavy use
Overview
Single 12" shallow loaded enclosure rated 250 Watts RMS (wired to a 2-Ohm load). Built from 5/8" MDF, covered in high-density carpet, and fitted with quick-release compression terminals.
Best for
- Applications with limited space—optimized wedge design for single-cab trucks with restricted seat travel and other tigh…
Key points
- Power handling: 250 Watts RMS (wired to a 2-Ohm load).
- Enclosure: single 12" shallow loaded design.
- Construction: 5/8" MDF with high-density carpet covering.
- Terminals: quick-release compression terminals for wiring.
- Depths: slim-line profile—3.25" at the top and 5.25" at the bottom (wedge shape).
- Technologies: CEA-2031 and Klippel Verified.
Fit and use
Wedge-shaped layout and shallow depths make this enclosure suited to tight locations such as behind seats in single-cab trucks or other confined spaces. The enclosure is wired to a 2-Ohm load and rated for 250W RMS; confirm amplifier compatibility and space dimensions before placement.
What to know
This is a shallow loaded enclosure with specified dimensions and electrical rating. Verify vehicle clearance against the listed top (3.25") and bottom (5.25") depths and confirm your amplifier can safely drive a 2-Ohm load at the enclosure's RMS rating. For product details and support, consult the manufacturer resourc…
Highlights
Key features
- High current binding posts
- Constructed with 5/8" MDF
- 1 Year Warranty
- Covered with high density carpet
- CEA-2031
- Klippel Verified
More info
Manufacturer details
The R2S-1X12 is a single 12” shallow enclosure with 250 Watts RMS power handling wired to a 2-Ohm load. The enclosure is constructed with 5/8” MDF, covered in high density carpet, and features quick release compression terminals.
Additional details
When you have no space for bass, our PRIME R2S 12" shallow loaded enclosure is sure to be a perfect fit for your ride and your budget. These shallow loaded enclosures can fit in tight spaces due to the slim-line depth of 3.25" on the top and 5.25" on the bottom. The wedge design is optimized for single-cab trucks with limited seat travel. Are you ready to rock out? Yeah, we thought so.
Technologies
CEA-2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards. This means your speaker has
Klippel Verified
To adorn the ‘Verified with Klippel’ mark, the qualifying company’s loudspeaker engineering personnel must be
Specs
Specifications
10
| Nominal Impedance (ea) | 2-Ohm Internally wired to create a 2-Ohm amplifier load |
| Power Handling (Watts RMS) | 250 Watts RMS 500 Watts Max |
| Enclosure Type | Shallow |
| Woofer Quantity | 1 |
| Woofer Size | 12" |
| Woofer Series | Prime R2 Shallow (R2SD4-12) |
| Speaker Connector | Up to 12 AWG Compression Terminals |
| DimensionsBox (H x W x D)Wedge (H x W x D1 x D2) | 13.5" x 27.375" x 5.25" (bottom) x 3.25" (top) 34.29cm x 69.53cm x 13.34cm (bottom) x 3.25cm (top) |
| Enclosure Material | 5/8" MDF |
| Shipping Weight | 24.6 Lbs. (11.15 Kg) |
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Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
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