Sennheiser XSW-D-INST-BASE-SET XSW-D Instrument Base Set

It?s simple, each XS Wireless Digital has only one button. Press to power up and link simultaneously, click once to mute, and hold to power down. It?s as easy as plugging in a cable, minus the cable part. Your sound should be as boundless as your ideas. Forget about having to set frequencies and step into the world of digital. Using a 2.4 GHz transmission, sync and go anywhere, anytime?effortlessly.