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    Alpine

    Alpine RS-SB12 12" R-Series Shallow Subwoofer Enclosure

    Alpine RS-SB12 12" R-Series Shallow Subwoofer Enclosure

    $999.95 USD
    $999.95 USD
    Sale Sold out

    Experience powerful bass without sacrificing space with the Alpine RS-SB12, a preloaded 12-inch shallow subwoofer enclosure engineered for tight installations. Its ultra-slim 13.3 cm depth and adjustable rubber feet allow it to fit seamlessly in most vehicles, even on uneven floors, while the CARB-compliant 1.9 cm MDF cabinet wrapped in premium black carpet ensures durability and a factory-installed look.

    Despite its compact size, this enclosure delivers extreme output thanks to a high-excursion 20 mm one-way motor design and an oversized 4-inch voice coil with a powerful neodymium magnet, handling 600W RMS. Alpine's Gen2 DD-Linear Magnetic Circuit and CoolMount™ technology provide precise, low-distortion bass with enhanced cooling for hours of reliable, hard-hitting performance.

    Key Features

    Width 67.3 cm
    Height 13.3 cm
    Depth 43.2 cm
    RMS Power Handling 600W
    Frequency Response 26Hz – 200Hz
    Voice Coil Configuration Dual 4Ω voice coils wired in parallel for a 2Ω load
    Nominal Impedance 2Ω
    Voice Coil Size 4" (101.6mm)
    Compatible Amplifiers S-A60M or R-A75M
    Subwoofer Size 12"
    Enclosure Type Sealed
    Magnet Type Neodymium
    Dust Cap Material Aluminum
    Cabinet Material CARB compliant ¾" MDF
    Finish Black Carpet
    Grille Pre-installed steel mesh
    Brand Alpine
    Model RS-SB12

    Highlights

    • Optimal sealed cabinet quality
    • Aluminum Dust Cap
    • Neodymium Magnet
    • Alpine Gen2 DD Linear Magnetic Circuit
    • CARB compliant ¾” MDF construction
    • Premium Alpine embroidered black carpet
    • Alpine-branded terminal cup
    • Pre-installed steel mesh grille
    • Includes a 12” R-Shallow Subwoofer (RS-W12D4)
    • Rubber, modular stackable foot design

    Videos

    Compatibility

    This shallow-mount enclosure is designed for vehicles with limited space. Its 13.3 cm depth and adjustable rubber feet allow for flexible installation in most cars, trucks, and SUVs, accommodating uneven floors for a secure fit.

    What's included

    • Sealed Cabinet with (1) 12” R-Series Shallow Subwoofer
    • Mounting Brackets
    • Owner’s Manual
    • Warranty Information

    Frequently asked questions

    How deep is the Alpine RS-SB12 enclosure?

    The enclosure has an ultra-shallow depth of only 13.3 cm, making it ideal for installation in tight spaces behind truck seats or in small car trunks.

    What amplifier is recommended for this subwoofer enclosure?

    The RS-SB12 is optimized to perform with Alpine's S-A60M or R-A75M mono amplifiers, as its dual voice coils are wired in parallel for a final 2Ω load.

    What is included in the box with the RS-SB12?

    The package includes the sealed cabinet with a preloaded 12" R-Series Shallow Subwoofer, mounting brackets, an owner's manual, warranty information, and online product registration information.

    What is the power handling capacity of this subwoofer?

    The Alpine RS-SB12 has an RMS power handling capacity of 600W, driven by an oversized 4-inch voice coil and a powerful neodymium magnet.

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