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Alpine RS-SB12 12″ Shallow Profile Enclosure

Alpine RS-SB12  12″ Shallow Profile Enclosure

Alpine RS-SB12 12″ Shallow Profile Enclosure


Product Description

The all-new R-Series shallow profile subwoofers are extreme in every way, commanding a tough and rugged appearance with high performance bass output to match.

Alpine takes compact bass to the next level with a state-of-the-art design coupled engineering innovation to accomplish an ultra-shallow profile without compromising on bass level output and quality in anyway. An exclusive dual gap motor structure combined with a powerful neodymium magnet allows for high power handling of 600Watts RMS and 1800Watts max. Moreover, with its bespoke cast aluminium frame and ground-breaking woofer cone design enables an incredibly linear X-max of 20mm ensuring the best possible bass performance.

Alpine’s R-Series Shallow Subwoofer Enclosures give you the best of both worlds in size and sound.

What’s more, the pre-fitted KTE-RS12G exudes a tough look and adds a premium finish, all-while giving your equipment the protection it deserves.

More bass with less space—Alpine’s new Shallow R-Series Enclosures rise to the top, giving you extraordinary bass performance in an ultra-compact form to suit virtually any vehicle and application.


  • 12” High-Performance Shallow Bass Driver
  • Alpine Gen2 DD Linear Magnetic Circuit
  • Cast Aluminum Frame
  • Aluminum Dust Cap
  • Neodymium Magnet
  • 4″ High Temperature Voice Coil
  • Optimal sealed cabinet quality
  • 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 


  • RMS Power Handling: 600W
  • Peak Power Handling: 1800W
  • X-Max: 20mm
  • Nominal Impedance: 2ohms (4ohms+4ohms)
  • Frequency Response: 26Hz-200Hz
  • Sensitivity: (1W/1M): 81dB
  • Voice Coil: 4″ (102mm)
  • Mounting Dimensions: 673mm (W) x 133mm (H) x 432mm (D)