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      GRS 8SW-4 Subwoofer

      € 18,55€ 22,45 10+ In stock
      • -10% Order 4 for only € 20,21 per piece

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      Product description

      The GRS 8SW-4 8" 4 ohm poly cone driver is a true bargain in replacement subwoofers! This economical sub features a large diameter voice coil, durable polypropylene cone, and extended excursion for high energy bass reproduction.



      • Polypropylene cone for perfect balance of stiffness, mass, and self-damping
      • Butyl rubber surround ensures high excursion and long-term durability
      • Large 1-1/2" voice coil and bumped back plate enable high power handling
      • Long-throw design for deep, powerful bass


      Product details

      GRS 8SW-4 8" Poly Cone Subwoofer 4 Ohm


      Now you can replace blown or damaged subwoofers with new drivers that equal or outperform the original! GRS poly cone subwoofers are the perfect replacement for tired, worn-out subwoofers in a variety of audio gear and even work great for new designs. Their handsome polypropylene cones provide durability and good looks, while the large vented magnet assemblies and extended voice coils enable long-throw performance and authoritative bass in a variety of enclosures.


      The 8" model features a 1-1/2" diameter voice coil with extended 6mm excursion for solid bass performance in compact sealed and vented enclosures. These versatile subs are also rugged enough to be used in dipole and automotive infinite baffle applications.


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


      Recommended sealed enclosure: 1.0 ft^3, F3 = 48 Hz, Qtc: 1.16


      Recommended vented enclosure: 1.0 ft^3, Fb = 40 Hz, F3 = 34 Hz


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      Article number
      Woofer Series
      Replacement woofer
      Woofer Type
      Sub Woofer
      Nominal Diameter
      Power Handling (RMS)
      80 Watts
      Power Handling (max)
      160 Watts
      Impedance (Z)
      4 ohms
      88 dB 2.83V/1m
      Frequency Response
      40 to 800 Hz
      Voice Coil Diameter
      DC Resistance (Re)
      3.86 ohms
      Voice Coil Inductance (Le)
      0.84 mH
      Resonant Frequency (Fs)
      49 Hz
      Mechanical Q (Qms)
      Electromagnetic Q (Qes)
      Total Q (Qts)
      Compliance Equivalent Volume (Vas)
      0.93 ft.³
      Maximum Linear Excursion (Xmax)
      6 mm
      Cone / Diaphragm Material
      Surround Material
      Voice Coil Wire Material
      Basket / Frame Material
      Magnet Material
      Overall Outside Diameter
      Overall Depth
      Baffle Cutout Diameter
      Bolt Circle Diameter
      # Mounting Holes

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      5 from 5Based on 6 reviews
      Review this product
      5 of 5
      I bought this to add to a diy cube I made, I don’t have measurements but it sounds amazing
      By diyguy on 30 September 2022
      5 of 5
      Goede subwoofer speaker gekocht zeer goed voor maar relatief weinig geld heb hem in me scooter gebouwd en gaat helemaal los te op spul
      By Halid on 17 July 2022
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      8SW-4 Subwoofer
      € 18,55
      € 22,45
      8SW-4 Subwoofer
      10+ In stock
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