Alpine SWS-15D2 – Type S 15″ Subwoofer

The all-new Alpine SWS-15D2 – Type S 15″ Subwoofers are more durable and powerful than ever, delivering tight accurate ground pounding bass that will enhance your car audio listening experience.


Power Handling

  • Power Range: 150W – 500 Watts
  • RMS Power Handling: 500W
  • Peak Power Handling: 1500W

This Alpine SWS-15D2 15″ Subwoofer is also available in a prefab tuned enclosure Alpine SBS-S15D4 Type-S 15″ Subwoofer Enclosure.

Signature Car Sound also offer Custom Subwoofer Enclosures for those who want something different, with options starting with basic designs to full show installations.

Recommended amplifier – Alpine PDR-M65 Mono Block

* 1 Year Warranty as per Alpine Electronics Australia T&C’s

SKU: SWS-15D2 Categories: , , ,

This product has been discontinued.


Alpine SWS-15D2 – Type S 15″ Subwoofer

The new fourth-generation Alpine SWS-15D2 – Type S 15″ Subwoofers have undergone a revolutionary redesign, leaning heavily on patented technologies developed for the Type-R series. The result is a subwoofer that is so good Alpine had to redesign the Type-R range of subwoofers.

These new Alpine SWS-15D2 – Type S 15″ Subwoofers redefine the expectations in their class. Altogether, they offer significantly improved output, deeper bass extension, more control and even greater power handling.

With it’s new sleek design, it looks as great as it performs.

The Alpine SWS-15D2 – Type S 15″ Subwoofers are ready for virtually any system type desired, and have a shallow design which allows installation even in difficult locations.

Alpine SWS-15D2 Features:


  • Material: Oversized Hairline-Textured Mica Poly Dustcap w/ Kevlar Reinforced Pulp Paper Cone Body
  • Design: 2-Piece Parabolic


  • Material: Injected Molded SantopreneA?
  • Design: High Amplitude Multi-Roll H.A.M.R Surround Design (Patent Pending)


  • Material: ConexA?
  • Design: 10 Segment High-Roll Progressive Design

Voice Coil

  • Material: 180A?C High Temp Wire on Sprial-Cut Aluminum Bobbin
  • Design: 5-Layer Split-Winding Dual Voice Coil

Motor Structure

  • Pole Geometry: FEA Optimized Underhung Design w/ Dual-Sided Compound Radius Pole Geometry
  • Configuration: Dual Flared Design w/ Integrated Backplate Venting


  • Material: 18GA High Strength Steel
  • Design: Alpine-Designed 5 Leg Structure w/ Integrated Radial Voice Coil Vents


  • Layout: One Sided
  • Design: 8ga. Push Terminals

Tinsel Leads

  • Design: Reinforced-Layer Spider Integration


  • Design: Concealed Mount Gasket System


Power Handling – Alpine SWS-15D2


Speaker Rating:
Max RMS Power Capacity: 500W
Peak Power Capacity: 1500W


  • Mounting Depth: 177mm (7”)
  • Mounting Diameter: 347mm (13.7”)
  • Displacement: 0.07 cu. Ft.
  • Added Volume: 0.15 cu. ft. (Reverse Mount, Magnet Out)


  • Frequency Response: 24Hz – 200Hz

Recommended Enclosure Sizes – Alpine SWS-15D2

  • Sealed enclosure:
    • Volume: 50.0L
  • Vented enclosure:
    • Volume: 70.8L