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Alpine Now Shipping R-Series Shallow Subwoofers and Enclosures

Auburn Hills, Mich. (Jan. 19, 2023) – Alps Alpine North America, Inc. (“Alpine”) is now shipping R-Series Shallow Subwoofers available in 12” or 10” raw or enclosed versions. The ultra-shallow subwoofers deliver the same “Loud and Fun” performance synonymous with Alpine’s R-Series Line, now in a shallow subwoofer designed to fit in most vehicle applications.

Ultra-Shallow Design

The R-Series Shallow Subwoofers offer a 12” or 10” High-Performance Shallow Bass Driver that’s available in both a 4Ω (RS-W12D4, RS-W10D4) or 2Ω (RS-W12D2, RS-W10D2) dual voice coil (DVC) version.

With an ultra-shallow subwoofer design and powerful sound output, the R-Series Shallow Subwoofers provide the best of both worlds in size and sound. Even with a mounting depth of 3.25”, the shallow subwoofers still provide the same cone movement (20mm of linear excursion) as the full-size R-Series Subwoofers, for extreme low-end in a shallow woofer design.

At the heart of the subwoofer is an oversized, USA-manufactured 4” voice coil that is controlled by a powerful neodymium magnet and provides an impressive 600W RMS / 1800W of power handling. Exclusive to Alpine is the Gen2 DD-Linear Magnetic Circuit technology, a compact and efficient dual-gap voice coil structure that allows for better control over the motor, resulting in lower distortion and precise bass control.

Cosmetic design features like a lightweight allow the cone to stay cooler for enhanced reliability with minimal distortion for a deep, up-front bass kick. The die-cast aluminum frame provides rigid and sturdy construction with integrated heat sync fins to wick heat from the coil for uninterrupted performance.

For extra protection, an optional Shallow Subwoofer Grille Kit is available in 12” (KTE-RS12G) and 10” (KTE-RS10G) version (sold separately).

Bigger Bass in Less Space

The R-Series Shallow Subwoofers are also offered in a 12” or 10” Sealed Preloaded Enclosure for those looking for a complete subwoofer application. Measuring a minimal 5.25” in depth without mounting feet, the enclosures are the ideal application for vehicles that lack bass and space.

Intentional designs like rubber modular “feet” allow the enclosure to be adjusted in height to accommodate uneven vehicle floors. The feet can also be configured for an upfire or downfire configuration where a pre-installed mesh grille provides a clean finish and extra protection for the speaker cone. The rear panel exposed motor radiates heat from the inside of the subwoofer to the outside of the box for enhanced thermal reliability.

The R-Series Raw Subwoofers are available now in a 12” (RS-W12D4, RS-W12D2) for $649.95 and 10” (RS-W10D4, RS-W10D2) for $599.95. Preloaded Subwoofer Enclosures are also available in a 12” (RS-SB12) for $799.95 and 10” (RS-SB10) for $749.95. Optional Grille Kits are offered in a 12” (KTE-RS12G) and 10” (KTE-RS10G) option for $29.95. All models can be purchased at Alpine Authorized retailerd Preferred Online Stores. Please check the store locator on www.alpine-usa.comfor details.


RS-W12D4/RS-W12D2 12” R-Series Shallow Subwoofer

  • 12” High-Performance Shallow Bass Driver  
  • 600W RMS / 1800W Peak Power Handling
  • Alpine Gen2 DD Linear Magnetic Circuit   
  • Cast Aluminum Frame  
  • Aluminum Dust Cap  
  • Neodymium Magnet  
  • Mounting Depth: 3.25” (82.55mm) 
  • X-Max: 20mm  
  • Voice Coil: 4”(102mm) 
  • Frequency response: 26Hz – 200Hz  
  • Sensitivity (1W/1M): 82bB  
  • Dual Voice Coil: 4Ω (4+4 for RS-W12D4) or 2Ω (2+2 for RS-W12D2)
  • Compatible with KTE-RS12G Subwoofer Grille Kit (sold separately)   

RS-W10D4/RS-W10D2 10” R-Series Shallow Subwoofer

Same as above with:

  • 10” High-Performance Shallow Bass Driver  
  • Frequency response: 29Hz – 200Hz  
  • Sensitivity (1W/1M): 79bB  
  • Nominal Impedance: 2Ω (4+4 for RS-W10D4) or 4Ω (2+2 for RS-W10D2)

RS-SB12 12” R-Series Shallow Preloaded Subwoofer Enclosure

  • Preloaded 12” R-Series Shallow Subwoofer (RS-W12D4)
  • 600W RMS / 1800W Peak Power Handling
  • Optimally sized sealed cabinet
  • Alpine Gen2 DD Linear Magnetic Circuit   
  • Aluminum Dust Cap 
  • Neodymium Magnet    
  • Voice Coil: 4”(102mm) 
  • Pre-installed steel mesh grille  
  • Rubber, modular stackable foot design 
  • Dimensions: 26.5” W x 5.25” H x 16” D 
  • Frequency response: 26Hz – 200Hz  
  • Sensitivity (1W/1M): 79bB  
  • Nominal Impedance: 2Ω  
  • Dual 4Ω voice coils wired in parallel for a 2Ω load
  • Compatible with S2-A60M or R2-A75M Mono Amplifiers or HDA-V90 5 Channel

RS-SB10 10” R-Series Shallow Preloaded Subwoofer Enclosure

Same as above with:

  • Preloaded 10” R-Series Shallow Subwoofer (RS-W10D4)
  • Dimensions: 21.5” W x 5.25” H x 16” D 

Alps Alpine Co., Ltd., a leading manufacturer of electronic components and automotive infotainment systems, has brought the world numerous “First 1” and “Number 1” products since its founding in 1948. The Alps Alpine Group currently operates 110 bases in 26 countries and regions, supplying roughly 40,000 different products and solutions to around 2,000 companies worldwide. Those offerings include devices such as switches, sensors, data communication modules, touch input panels, actuators and power inductors; electronic shifters, remote keyless entry systems and other automotive units; consumer electronics like car navigation and audio-visual systems; and systems and services such as digital keys based on smartphone app and blockchain technology, and remote monitoring.

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