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        12SW-4 Subwoofer

        GRS 12SW-4 Subwoofer

        €41,95

        10+ expected on 24-04-2026

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        GRS 12SW-4 Subwoofer

        7 reviews
        5 from 5
        7 reviews
        5 stars
        86%
        4 stars
        14%
        3 stars
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        Brand: GRS
        Show all Subwoofer
        12" | 4 Ω
        12SW-4 Subwoofer
        12SW-4 Subwoofer
        12SW-4 Subwoofer
        12SW-4 Subwoofer
        12SW-4 Subwoofer
        12SW-4 Subwoofer
        € 34,67€ 41,95 Out of stock10+ expected on 24-04-2026
        • -5% Purchase 4 for only € 39,85 per piece
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        12SW-4 Subwoofer
        12SW-4 Subwoofer
        12SW-4 Subwoofer
        12SW-4 Subwoofer
        12SW-4 Subwoofer
        12SW-4 Subwoofer

        Product description GRS 12SW-4 Subwoofer

        The GRS 12SW-4 12" 4 ohm poly cone subwoofer is a true bargain in replacement subwoofers! This economical sub features a beefy large diameter voice coil, durable polypropylene cone, and extended excursion for high-energy bass reproduction.

         

        Highlights

        • Large 2" voice coil and bumped back plate enable high power handling
        • Butyl rubber surround ensures high excursion and long-term durability
        • Polypropylene cone for perfect balance of stiffness, mass, and self-damping
        • Long-throw design for deep, powerful bass

         

        Product details

        GRS 12SW-4 12" Poly Cone Subwoofer 4 Ohm

         

        Now you can replace blown or damaged subwoofers with new drivers that equal or outperform the original! GRS 12SW-4 poly cone subwoofer is not only the perfect replacement for tired, worn-out subwoofers in a variety of audio gear, but they are also a great choice for new designs. The handsome polypropylene cone provide durability and good looks, while the large vented magnet assembly and extended voice coil enable long-throw performance and authoritative bass in a variety of enclosures.

         

        The 12" model features a 2" diameter voice coil with big 8.5mm excursion for solid bass performance in compact sealed and vented enclosures. These versatile subs are also rugged enough for use in dipole and automotive infinite baffle applications.

         

        See the below list of recommended enclosure alignments for new design.

         

        Recommended sealed enclosure: Vb = 1.5 ft^3, F3 = 37 Hz, Qtc: 1.6

         

        Recommended vented enclosure: Vb = 2.5 ft^3, Fb = 32 Hz, F3 = 30 Hz

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        Specifications

        Article number
        12SW-4
        EAN
        0848864020211
        Woofer Type
        Sub Woofer
        Nominal Diameter
        12"
        Power Handling (RMS)
        120 Watts
        Power Handling (max)
        240 Watts
        Impedance (Z)
        4 Ω
        Sensitivity (SPL at 1m / 2.83V)
        88 dB
        Frequency Response
        29 to 800 Hz
        Voice Coil Diameter
        51 mm
        DC Resistance (Re)
        3.7 Ω
        Voice Coil Inductance (Le)
        1.1 mH
        Resonant Frequency (Fs)
        32 Hz
        Mechanical Q (Qms)
        4.51
        Electromagnetic Q (Qes)
        1.27
        Total Q (Qts)
        0.98
        Diaphragm Mass Inc. Airload (Mms)
        124.6 g
        Volume of Displacement (Vd)
        426 cm³
        Compliance Equivalent Volume (Vas)
        69.2 L
        Maximum Linear Excursion (Xmax)
        8.5 mm
        Cone / Diaphragm Material
        Poly
        Surround Material
        Rubber
        Voice Coil Wire Material
        Copper
        Basket / Frame Material
        Steel
        Magnet Material
        Ferrite
        Overall Outside Diameter
        311 mm
        Overall Depth
        147 mm
        Baffle Cutout Diameter
        289 mm
        Bolt Circle Diameter
        294 mm
        # Mounting Holes
        8
        Mounting Hole Diameter
        6 mm

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        Reviews

        7 reviews
        Review this product
        5 of 5
        Hab mir den sub gekauft, nach 3 Tagen da. Hab ihn dann angeschlossen und getestet ohne case, läuft gut, vibriert viel auf dem Boden deswegen etwas gummi drunter gemacht. PERFEKT. Preis: top Qualität: top Sound: top Ordentlich Druck auf voller Lautstärke.
        By Guter Klang on 7 March 2026
        5 of 5
        Very good product for the price
        By Chris on 17 February 2026
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        12SW-4 Subwoofer
        € 34,67
        € 41,95
        12SW-4 Subwoofer
        Out of stock
        10+ expected on 24-04-2026
        Add to cart
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