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Alpine RS-SB12 (Open Box, Great)

1800W Peak (600W RMS) Loaded Single 12" Sealed Shallow Enclosure

Alpine
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• Sealed shallow enclosure with 1 12" R-Series Subwoofer
• 600 watts RMS (1800 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 17" L x 5.25" H x 26.5" W

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List price $1200.00
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$699.97

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Description


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Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.


Alpine RS-SB12


Compact Design and Flexible Installation

The Alpine RS-SB12 Shallow Preloaded Subwoofer Enclosure is engineered specifically for vehicles with limited space, measuring just 5.25" deep to deliver reliable bass without compromising cargo or cabin area. The enclosure features a 12-inch R-Series subwoofer that utilizes a front-mounted magnet motor and a lightweight, powerful neodymium magnet to achieve its minimal footprint while still delivering powerful performance with up to 600W RMS power handling. Installation is made flexible and secure by four adjustable, foam-padded steel mounting brackets, which help dampen vibration for optimized acoustic quality regardless of where the enclosure is placed within the vehicle.

Advanced Technologies for High Performance

This subwoofer enclosure utilizes Alpine’s cutting-edge audio technology to ensure both precise sound and long-term reliability. The Gen2 DD-Linear Magnetic Circuit technology provides better control over the driver's motor, resulting in lower distortion and accurate bass response. For thermal management, the sub incorporates integrated cooling fins and the CoolMount™ Dual-panel motor to efficiently dissipate heat, guaranteeing hours of uninterrupted playtime.


Product Details:

  • Sealed shallow enclosure with 1 12" R-Series Subwoofer
  • 3/4" medium-density fiberboard construction covered with Carpet
  • Power Handling:
    • Peak: 1800 watts
    • RMS: 600 watts
  • Final Impedance: 2-ohm
  • Polypropylene subwoofer cone material
  • Rubber subwoofer surround material
  • Houses single Alpine RS-W12D4 subwoofer
  • Measures a minimal 5.25" deep to fit in most vehicle applications
  • Rubber "feet" are adjustable in height to accommodate uneven vehicle floors
  • Features the same motor movement (20MM of 1-way excursion) as the full-size R2-Series Subwoofers
  • Contains an oversized 4" voice coil that houses a lightweight and powerful neodymium magnet
  • Integrated cooling fins dissipate heat generated by rapid subwoofer movement
  • Unique CoolMount™ Dual-panel mount subwoofer motor for enhanced cooling
  • Utilizes Alpine's Gen2 DD-Linear Magnetic Circuit technology
  • Preloaded enclosures use the subwoofer frame as bracing for a more ridged design
  • Lightweight yet rigid aluminum dust cap to transition sound quickly
  • Includes adjustable mounting brackets for a down-fire mount configuration
  • Optimized to perform with Alpine S-A60M and Alpine R-A75M (sold separately)
  • Frequency Response: 26 - 200 Hz
  • Sensitivity: 84 dB
  • Dimensions: 17" L x 5.25" H x 26.5" W
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Specifications & Details


Subwoofer Specifications
Series
R-Series
Subwoofer Size
12"
Final Wired Impedance
2-ohm
RMS Power Handling
600 watts
Peak Power Handling
1800 watts
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Sensitivity
84 dB
Frequency Response
26 - 200 Hz
Subwoofer Design
Round / Circle
Enclosure Specifications
Box Type
Sealed
Number of Subwoofers
1
Box Style/Shape
Square/Rectangle
Wood Thickness
3/4"
Number of Terminals
1
Terminal Type
Binding posts
Box Exterior Color
Black
Box Finish
Carpet
Enclosure Width
26.5"
Enclosure Height
5.25"
Enclosure Depth
17"
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

RS-SB12

Weight:

35.00lbs

Internal SKU:

ls-rssb12-u8

Internal Product ID:

231847

Customer Ratings & Reviews


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.