Shipping is free to Amazon Prime members or on orders over $25. About this item: - Bose Bass Module Connection Cable for use with the Bose TV Speaker - A 15′ (4. 6 m) cable with 3. 5 mm connectors for a wired connection from a Bose Bass Module to the Bose TV Speaker. - Expand your system with an optional bass module for a more heart-pounding, cinema-quality experience. - The Bose TV Speaker requires a wired connection and is compatible with the Bose Bass Module 500 or 700