DIMENSION (W x H x D) Woofer: 170 x 170 x 230mm Center: 120 x 78 x 92mm Front Satellite: 78 x 120 x 92mm Surround Satellite: 78 x 120 x 92mm DRIVEWoofer: 4" Center: 2.5" Full Range Front Satellite: 2.5" Full Range x 2 Surround Satellite: 2.5" Full Range x 2 POWER OUTPUTWoofer: 20W Satellite: 3W x 5 CONTROL:Power, Volume, Bass PACKING:6sets/ctn/4.2cuft