Designed and developed in France, the Sub 10 Slim benefits from Focal’s renowned savoir-faire. With its 25cm polypropylene cone, this subwoofer provides an excellent bass boost for any on-board audio system. It has a single-coil architecture for simplicity and efficacy. With a much shallower depth than a standard subwoofer, this product is easily installed into restricted spaces such as the sides of a car boot. Type For sealed enclosure. Nominal power 230W RMS. Sensitivity (2.83V/1m) 85dB. 1 Car Audio Security Ltd is a UK based company. RIO, IOM, IOW, JERSEY, GUERNSEY, SHETLANDS, N.