Alpine RS-W10D4 10-Inch R-Series Shallow Subwoofer Enhance your vehicle audio with the Alpine RS-W10D4 10-Inch R-Series Shallow Subwoofer, a premium subwoofer designed for powerful bass in tight spaces. Featuring an ultra-shallow design with dual 4-ohm voice coils and a 600W RMS power handling, this subwoofer delivers exceptional sound output with a mounting depth of just 82.55mm (3.25 inches) as of 08:55 PM AEST, Wednesday, August 13, 2025. Key Features of the Alpine RS-W10D4 Ultra-Shallow Design: 82.55mm mounting depth fits most vehicle applications. Dual 4-Ohm Voice Coils: Offers flexible wiring options (2-ohm or 8-ohm configurations). High Excursion: 20mm Xmax for extreme bass output in a shallow profile. Gen2 DD-Linear Magnetic Circuit: Ensures precise bass control and low distortion. Aluminum Dust Cap: Enhances sound projection with minimal distortion. Cast Aluminum Frame: Provides sturdy construction and heat dissipation. Specifications Table Specification Details Size 10 inches (254 mm) Voice Coil Type Dual Voice Coil (DVC) Impedance 4 Ohms (per coil, configurable to 2 Ohms or 8 Ohms) Power Handling (RMS) 600W Power Handling (Peak) 1,800W Sensitivity (1W/1m) 83 dB Frequency Response 29 Hz - 200 Hz Xmax 20 mm (0.79 inches) Mounting Depth 82.55 mm (3.25 inches) Mounting Diameter 232 mm (9.13 inches) Cone Material Not specified Surround Material Butyl Rubber Magnet Material Neodymium Voice Coil Diameter 102 mm (4 inches) Recommended Sealed Box Volume 0.49 - 1.04 cu.ft. (13.9 - 29.5L) Recommended Ported Box Volume Not specified Weight Not specified Grille Included Optional (KTE-RS10G sold separately)