Sennheiser <b>XSW-D PORTABLE BASE SET</b> one-touch ease-of-use wireless audio set that utilizes a digital transmission to seamlessly link audio sources. This elegant solution makes wireless audio for your DSLR easier than ever before while maintaining a reliable connection.</p><p>XS Wireless Digital is a plug & play, entry-level wireless series operating in the 2.4 GHz spectrum for license-free worldwide use. The series consists of lightweight, compact plug-on transmitters and receivers, offering either XLR, jack (6.3mm, 1/4") or mini jack (3.5mm, 1/8") connections.</p><p>Developed with ease of use in mind, XSW-D can be thought of as a wireless "cable replacement". It features a single-button interface and status indicator to handle power and linking tasks. Up to 5 systems can be operated simultaneously, thanks to Sennheiser's automatic frequency and interference management technology. XSW-D devices also feature USB re-chargeable lithium-ion batteries that provide up to 5 hours of runtime.</p><p>XS Wireless Digital can certainly be used for traditional MI and A4V applications such as band practices, club dates, vlogging or freelance video shoots. Several MI and A4V sets will be offered to show those use cases. But with the innovative form factor and streamlined operation, a wide range of applications such as wireless stage boxes or remote speaker links can be created; the possibilities are only limited by your imagination!</p>