The Alpine RS-W10D2 is a premium ultra-shallow 10-inch R-Series subwoofer engineered for vehicles with limited mounting depth that still demand serious bass performance. Designed using Alpine’s advanced Gen2 DD-Linear magnetic motor technology, this shallow subwoofer delivers impressive excursion, deep low-frequency response, and high-output capability while fitting in extremely compact spaces like behind truck seats and under-seat enclosures Main Features 10” ultra-shallow R-Series subwoofer Dual 2-ohm voice coils 600W RMS / 1800W peak power handling Only 3.25” mounting depth Massive 20mm X-Max excursion Alpine Gen2 DD-Linear magnetic circuit Oversized 4” high-temperature voice coil Powerful neodymium motor structure Cast aluminum frame Aluminum dust cap Heavy-duty screw terminals Designed for compact truck and stealth installs Compatible with optional KTE-RS10G grille kit Specs Specification Details Subwoofer Size 10" Voice Coil Configuration Dual 2Ω RMS Power 600W Peak Power 1800W Mounting Depth 3.25" X-Max 20mm Frequency Response 29Hz – 200Hz Sensitivity 83 dB Voice Coil Diameter 4" Magnet Type Neodymium Approx. Shipping Weight ~18–24 lbs