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| Brand Name | dirtis | Model Number | bk453-45 |
| Style | Handheld Microphone | Communication | Wired |
| Use | Speech, Recording, interview | Place of Origin | Guangdong, China |
| Material | Metal, Metal | Function | Noise Cancelling, Portable |
| Polar Pattern | Cardioid | Product name | saxophone wireless microphone |
| Type | Moving-coil | Application | Voice Recording |
| Feature | Interview Wireless Microphone | Name | Wireless Camera Microphone |
| Suitable for | Video Recorder | Item | Microphone Recording Equipment |
| Working distance | dual wireless microphone |
| Transmitter | |
| Oscillation type | crystal-controlled PLL synthesized |
| Carrier frequency | A:638.000MHz-667.700MHz |
| B:668.000MHz-697.700MHz | |
| T.H.D | ≤9%(-60dbv,1KHz input) |
| SNR | ≥60db |
| Power | 3.0V(Two AA battery) |
| Frequency Response | 40Hz-18KHz |
| Working temperature | 0-50 |
| Antenna | Disassemble SMA antenna |
| Receiver | |
| Oscillation type | crystal-controlled PLL synthesized |
| Carrier frequency | A:638.000MHz-667.700MHz |
| B:668.000MHz-697.700MHz | |
| Audio output port | 3.5mm |
| Ear phone output level | 150Mv/16Ω SNR: ≥60db |
| Frequency Response | 40Hz-18KHz |
| Power | 3.0V(Two AA battery) |
| Working temperature | 0-50 |
| Antenna | Disassemble SMA |
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