High-quality dual handheld wireless microphone system VHF

NA-837 Two wireless clip microphones system VHF system reaches a distance of 50 meters in open areas suitable for schools and training yards and events. Technical specifications: - Model: NA-837 - Microphone: 2 wireless clip microphones VHF system - Power supply for microphone: 5.5 volts type × 2 AA batteries for each microphone - Estimated distance: 55 meters - Frequency range: 275 Hz ~ 255 MHz - Sensitivity: 0.5 decibels - Frequency response: 55 Hz - 50 kHz