Sony 5.1 Surround Sound System includes four SS-V230 satellite speakers, one SS-CN230 center channel speaker, and one SA-WMS230 subwoofer. The system is compatible with various brands and models and has a wired connectivity option. The rectangular-shaped system is made of wood and comes in gray color. It features Dolby Pro Logic and Dolby Digital surround sound formats and has audio inputs for speaker wire and RCA connector. The unit has an amplified subwoofer with two listening modes.