zm-3310w

The WM-3310 lavalier wireless microphone has been manufactured for use with a VHF system. It incorporates a cardioid pick-up pattern and has been designed for use in speech reinforcement applications. The built-in compressor-expander circuit minimizes the influence from ambient noise. Specifications Microphone Electret condenser microphone, cardioid Emission F3E Frequency Range 169 - 216 MHz, VHF Channel Selectable 6 ch RF Carrier Power Less than 50 mW Tone Frequency 32.768 kHz Modulation System PLL synthesizer Maximum Input Level 120 dB SPL Battery 6LR61 ( 9 V × 1) Battery Life 10 hours ( alkaline) Indicator Power/ Battery indicator ( common use) Antenna 1/ 4 wire antenna Operating Temperature -10 to + 50 Finish Resin, coating Dimensions 62 ( W) × 142 ( H) × 32 ( D) mm Weight 135 g ( with battery) Accessory Screw driver… … 1