Sony Car Subwoofer XS-NW1202S 30 cm (12 inch) Box Woofer with Shallow Enclosure (Black), Peak Power – 1800W, RMS Power – 420W, Rated Power – 300W

From the manufacturer

About Sony

At Sony, our mission is to be a company that inspires and fulfills your curiosity. Using our unlimited passion for technology, content and services to deliver groundbreaking new excitement and entertainment. Sony India is one of the most recognized consumer electronics brand in the country, with a reputation for new age technology, digital concepts and excellent after sales service.

Powerful subwoofer box with a shallow, sealed enclosure
Experience louder, deeper bass with a 30 cm (12 inch) polypropylene cone
Enjoy high power handling with 1800W peak and 420W RMS power handling
A dimpled woofer cone adds extra rigidity for low and accurate bass tones
Acoustic distortion is minimized by a stroke stabilizer rubber surround
Effective Frequency Range: 32-1000 Hz ; Output Sound Pressure: 86±2 dB / 1 W / 1m ; Magnet Material: Ferrite ; Diaphragm Material: PP