The Sennheiser EW300 IEM G2 Stereo Wireless Transmitter Receiver is a high-quality audio equipment set perfect for musicians, DJs, and audio professionals. The system includes a SR 300 IEM G2 transmitter and EK 300 IEM G2 E receiver, both designed for easy rack mounting. The frequency range is 830-866 MHz, providing stable and reliable wireless transmission in the UHF band. This set does not include earphones, allowing users to connect their own preferred in-ear monitors for a custom listening experience. With its professional features and trusted brand name, this Sennheiser system is ideal for live performances and studio recordings.