{"product_id":"10-inch-r-series-subwoofer","title":"10-Inch R-Series Subwoofer","description":"The Alpine R2-W10D4 is a 10-inch, 2nd-generation R-Series subwoofer engineered to deliver enhanced sound performance with authoritative bass.\n\nThis subwoofer boasts a robust construction featuring a Kevlar-reinforced pulp cone for durability and a polypropylene\/ceramic composite dust cap for rigidity and internal damping, which helps smooth bass response and reproduce tight bass. The dual voice coil (DVC) design, along with easy configuration jumpers, allows for flexible application. Additionally, it incorporates Alpine's High Amplitude Multi-Roll (HAMR) Surround Technology, enabling up to 20mm of total cone excursion for improved accuracy and efficient airflow while keeping the surround cool.\n\nWith a power handling of 750W RMS and 2250W peak, this subwoofer is built for reliable performance even at high volumes. Its technical specifications include a frequency response of 26Hz-200Hz and a sensitivity of 82.4dB. The R2-W10D4 also features a convenient \"EZ-Change\" twist-lock grille mounting system, facilitating easy installation and removal of an optional grille without screws. The KTE-10G Grille System is compatible and sold separately.\n\nThe subwoofer includes a cosmetic trim ring and two jumper wires for DVC configuration. It is CTA-2031 compliant, with a mounting depth of 6 inches and a cutout size of 9-1\/16 inches.","brand":"Alpine","offers":[{"title":"Default Title","offer_id":52686863368504,"sku":"R2-W10D4","price":319.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/660181105.jpg?v=1784877673","url":"https:\/\/store.motormia.co\/products\/10-inch-r-series-subwoofer","provider":"MOTORMIA","version":"1.0","type":"link"}