[. . . ] [. . . ] With peak power at 1600W, a high density fiber-composite cone and 4-layer copper voice coil, this subwoofer delivers powerful notes and beats with deep and rigid bass. Rich bass on the road · 400W RMS power handling · High-density composite cone for deep bass boost · Dual voice coils for wiring flexibility · 4-layer copper voice coil maximizes rigid bass · Butyl rubber surround for maximum smooth response · Strong ferrite magnet for high power performance High durability, sustainable performance · Sturdy fiber-composite cone for all-weather performance · Thick magnet rubber boot protects against mechanical damages · Endurance and performance stability in extreme conditions Car subwoofer 12" 1600W Peak CSP630/00 Specifications Sound · · · · · Output power (RMS): 400W Peak Music Power: 1600W Sensitivity: 89dB Frequency response: 20-1500 Hz Impedance: 4 Ohms · · · · · · Surround: Rubber Voice coil: Dual Voice coil material: Copper Magnet: Ferrite Magnet mass: 55. 4 Oz Damper: NC Loudspeakers · Speaker type: Subwoofer · Speaker size: 30cm (12") · Number of Loudspeakers: 1 Dimensions · Product dimensions (W x H x D): 317 x 155 x 317 mm · Mounting depth: 145. 5 mm Woofer · Diaphragm: Cone · Diaphragm material: Fiber-composite Accessories · · Quick start guide: English, Simplified Chinese · Cables: Speaker wires Issue date 2010-10-07 Version: 2. 1. 3 © 2010 Koninklijke Philips Electronics N. V. [. . . ] [. . . ]