Powerful handheld transmitter with a lightweight aluminum housing, increased bandwidth and transmission power, and integrated mute switch for evolution wireless G4 300 Series systems, delivering exceptional speech intelligibility in Business and Education. For use with the renowned e 865 capsule (recommended). Easy to use, fast setup time. Integrated network port allows control, monitoring and setup via Sennheiser Control Cockpit and WSM Software. Broad range of products and existing accessories (such as microphones) allows usage in any kind of environment. Up to 32 channels. Increased RF output power (10/30/50 mW). Transmission Range: 100 meters. Compatible with wireless speaker system LSP 500 PRO. Package includes: SKM 300 G4-S handheld transmitter, MZQ 1 microphone clamp, 2 AA batteries, pouch, manual. Weight: 450 g. Frequency: 470 - 558 MHz