FP12 radiomicrofono headset lavallier Sennheiser Freeport Headset Sennheiser freePort Presentation Set, diversity UHF-wireless system, 4 switchable frequencies between 863 thomann - 865 MHz, 10 mW HF-power, diversity reciever with LED for HF, diversity, peak, XLR- and jack out, bodypack with headset microphone, electret, super cardioid, 40 - 18.000 Hz, with 1x 9 V battery - up to 10 h useable, incl. powersupply 12 V thomann DC