Feature●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●This an optional cable wire for expanding your Bose TV Speaker to connect to a Bose Bass ModuleDescription The Bose Bass Module Connection cable is 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.