wholesale Silent Disco Headphone F39 500M control distance Quiet Party headset Stereo silent disco earphone and transmitter
US$25
US$35
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| F39 Silent Disco Headphone | |
| System | RF/UHF |
| Modulation | FM |
| Transmission Distance | 500M |
| Channel option | 2 or 3 channels |
| Signal-to-nose ration | >65dB |
| THD | <1% |
| Receiving sensitivity | better than 2.5nV(14dBuV) |
| Receiving frequency response | 60~150000HZ |
| Channel separation | >35dB |
| Operation time | Over 10 hours |
| Working current | 60mA~70mA |
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