Exclusively from Liquid Audio, this bundle includes the Sennheiser XSW-D Instrument Base Set with a 4-pack Blucoil AA Batteries and a Liquid Audio Polishing Cloth. Designed to enhance your audio experience, this comprehensive set features a reliable wireless instrument system for seamless connectivity and high-quality sound. The Sennheiser XSW-D Instrument Base Set is the centerpiece of this bundle, providing intuitive control and endless possibilities for performers and musicians alike. Going wireless with instruments is easier than ever before while maintaining a reliable connection. An instant connection the second you plug in. One-touch ease-of-use wireless audio set that utilizes a digital transmission to seamlessly link audio sources. This elegant solution makes going wireless with instruments easier than ever before while maintaining a reliable connection.