The Sub 10 Slim benefits from Focal’s sound savoir-faire. With its 10 (25 cm) polypropylene cone, this subwoofer provides an excellent bass boost for any on-board audio system. It has a single voice coil architecture for simplicity and efficacy. With a very shallow depth, this product is easily installed into restricted spaces such as the sides of a car boot. SpecificationNominal power230W RMSMaximum power460WSensitivity85dBNom. Impedance4 OhmConePolypropyleneSurroundButylDiameter25cmNet weight4.5kgFeatures Shallow depth; easy to installA deep and powerful bassEfficacy as sealed box, from 10LRobust design; steel chassisExcellent power handlingVehicle ApplicationUniversal.