Half-rack stereo transmitter in a full-metal housing with OLED display for full control delivering clarity along the whole frequency spectrum for daily use on stage with evolution wireless G4 In Ear Monitoring systems. Features: Half-rack stereo transmitter in a full-metal housing with OLED display for full control. Easy and flexible wireless synchronization between transmitter and receiver via infrared. Compatible with Sennheiser WSM control software for flexible frequency allocation. Up to 16 compatible channels. Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range. Transmission Range: up to 100 meters / 300 feet. High RF output power (up to 50 mW) depending on country regulations. Compatible with wireless speaker system LSP 500 PRO