Sennheiser XSW-D XLR MALE RX receiver (2.4 GHz)

Sennheiser's XSW-D XLR MALE RX is a receiver that can be connected to any XLR input.. Paired with a transmitter from the XSW-D series, you'll have an instant wireless setup! The system works on the 2.4 GHz frequency band which means it can be used anywhere in the world without a permit.