Alpine SBL-D12S4 Bassline Series 12″ Dual Subwoofer Enclosure


Alpine SBL-D12S4

Bassline Series

12″ Dual Subwoofer Enclosure

This BASSLINE Dual 12' Subwoofer Enclosure is a great option for those looking for quality BASS in the affordable range of Subwoofers.

Alpine SBL-D12S4

Building on Alpine’s long heritage in subwoofer engineering, Alpine created a subwoofer line that could spread the passion for deep, hard-hitting bass. BassLine subwoofers use a polypropylene and mica damped cone assembly to keep the cone stiff and light for great sounding bass tones, whilst the high-excursion polyfoam surround provides high output bass. BassLine subwoofers are known for their reliability, small size, and big power output.

The SBL-D12S4 combines 2 of the new Bassline 12″ Subwoofers with a perfectly matched custom sealed dual enclosure, precisely designed and engineered to produce the best sounding bass.



  • Custom Sealed Dual Enclosure
  • 2 x SWA-12S4 12″ Bassline Subwoofers Pre-installed
  • Heavy Gauge Screw Terminals
  • Grille Included
  • 500W RMS Power Handling
  • 1500W Peak Power Handling
  • Dimensions (cm): 39.6 L x 76.6 W x 29.6 H


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