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. 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. Stable UHF range. Transmission Range: 100 meters. High RF output power (up to 50 mW). Compatible with wireless speaker system LSP 500 PRO. Package includes: SR IEM G4 stereo transmitter, rod antenna, power supply, GA 3 rackmount set, manual. Dimensions: 202 x 212 x 43 mm. Weight: 980 g. Frequency: 516 - 558 MHz