head microphone takstar 3310pp

Takstar TS-3310 PP Wireless Microphone VHF Wireless System Efficient feedback control circuit Noise switching control circuit Independent balanced and unbalanced outputs Two transmitters per receiver Features: • Squelch control: noise reduction • Frequency deviation: ± 18 kHz • Frequency response: 80 Hz -15 kHz • Frequency stability: ± 0.005% • Signal to noise ratio: > 70 dB • Total harmonic distortion: < 0.5% (at 1 kHz) • Number of channels: 2 channels • Receive sensitivity: -80dBm • Operating range : 50m in open area • Resonant noise level: ?50dB • Incorrect noise frequency: ?50dB • Receiver power supply: DC 12V / 300mA, external • Power transmitter: 2 pcs. 1.5V battery • Transmission power: ?10mW