Powerful Bass in a Slim Design – Alpine RS-W12D4 Subwoofer Bundle Upgrade your vehicle's audio system with the Alpine RS-W12D4 12" R-Series Shallow Subwoofer Bundle, featuring the KTE-RS12G Grille for powerful bass performance and subwoofer protection. This ultra-shallow subwoofer is designed to deliver extreme output without compromising space, making it the perfect solution for compact installations. Unmatched Performance & Precision The RS-W12D4 Subwoofer features Alpine's Gen2 DD-Linear Magnetic Circuit technology, a dual-gap voice coil structure that enhances motor control for precise, distortion-free bass. With an oversized 4-inch voice coil and neodymium magnet, this subwoofer provides 600W RMS power handling while maintaining a slim profile for easy vehicle integration. Extreme Output & Deep Bass Projection Don't be fooled by its size—the RS-W12D4 boasts 20mm of excursion, allowing it to move air like a full-sized subwoofer. The lightweight aluminum dust cap ensures quick sound transition and minimal distortion, creating hard-hitting yet smooth bass performance. Superior Protection with the KTE-RS12G Grille The Alpine KTE-RS12G Grille offers reinforced protection with its powder-coated metal mesh construction. The sleek matte black finish adds a professional aesthetic while ensuring long-term durability. Premium Construction & Easy Installation Built with a rigid die-cast aluminum frame, the RS-W12D4 subwoofer offers exceptional durability and reliability. The KTE-RS12G grille includes snap-secure rubber screw covers and mounting hardware, making it quick and easy to install. Upgrade Your Audio with Powerful, Space-Saving Bass With the Alpine RS-W12D4 Subwoofer Bundle, you get high-performance bass, a slim installation, and durable grille protection. Whether you're optimizing your sound system for tight spaces or looking for extreme output, this bundle delivers Alpine's signature sound quality with added security and style.