Most 2.1 sound systems incorporate minor satellite speakers and compensate the sound from these small satellites with their subwoofer. With the S351DB you get both a gigantic subwoofer and a complete set of bookshelf speakers. Connect to your sources through Bluetooth . AUX . optical . coaxial . or PC with the S351DB. Take full control of your sound with the sideboard controls in favor of one of the bookshelf speakers. Get profound fulfillment with the thundering lows when the 8-inch subwoofer is actuated amid playback. Films . music . and video games wake up when you have this subwoofer joined and creating sound. Switch amongst sources and control playback with the remote. Appreciate profound thundering lows from your most loved motion pictures . music . games substantially more with this 2.1 sound system.