Robust bodypack transmitter for use with any Sennheiser headmic or lavalier microphone (SL-HEADMIC1 1, ME 2 recommended). Easy to use, fast setup time. Integrated network port allows control, monitoring and setup via Sennheiser Control Cockpit and WSM Software. 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: SK 300 G4-RC bodypack transmitter, 2 AA batteries, pouch, manual. Dimensions: 82 x 64 x 24 mm. Weight: 160 g. Frequency: 470 - 558 MHz