Korpa 
Dual Wireless Microphone System – UHF PLL Technology 1 Handheld microphone 1 headset microphone. Wireless microphone systems from the FREE series, are a perfect choice for everyone who would have great sound and the highest quality of performance for reasonable price. The microphones and receivers of the FREE series are characterized by a wide frequency range, long range and solid construction that will not fail even in difficult conditions.
- Range up to 100m
- Free license frequency UHF 470Mhz-786Mhz
- Up to 12 channels can work simultaneously
- XLR and JACK LINE OUT
- Frequency response 40Hz- 18 kHz
- 10 hours baterry life 2×1,5V AA
- Color channel indicator