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Alhaan WLH-410 4 Channel Wireless Handheld Microphones
The WLH-410 Wireless Handheld Microphones (Set of 4) is designed for public announcements in conference centers, hotels, shops, restaurants, schools, etc. These microphones are powered by rechargeable batteries which enable up to 12 hours of continuous usage, thus making it cost effective. The simple operation and fast set up make it perfect for usage in flexible spaces and upgrading existing environments and structures where cabling is not easily possible. With its compact and lightweight body as well as the freedom to move while speaking, gives one the room to focus and amplify their voice to deliver or record lectures with superior sound quality.
Features
- UHF600-699Mhz, Avoiding the frequency jamming
- The microphone getting circuit of noticing low power to remind changing the battery.
- Getting function of restraining and reducing the feedback
- Receiver use the multilevel high frequency amplify with high sensitivity
- Working Distance: 30M-80M
- Using LD Pilot Frequency Locking Technology. Available to using same frequency with no disturbing.
- Suitable for stage performance, meeting room, KTV and so on
Specifications
| Model | WLH-410 |
| Frequency Range | 630 MHz – 690 MHz |
| Modulation Method | FM |
| Number of Channels | 160 |
| Channel Spacing | 50 kHz |
| Frequency Stability | ±0.005% |
| Dynamic Range | 100 dB |
| Maximum Deviation | ±45 kHz |
| Audio Frequency Response | 40 Hz – 18 kHz (±2 dB) |
| Signal-to-Noise Ratio (S/N) | >105 dB |
| Operating Range | Approx. 80 m (in open working environment) |
| Receiver Sensitivity | −103 dBm to −90 dBm |
| Receiving Antenna Connector | BNC (50 Ω) |
| Audio Output | Balanced output and mixed output |
| Receiver Power Supply | DC 12–15 V |
| Transmitter Output Power | ≤20 mW |
| Spurious Emission Suppression | 60 dB |
| Transmitter Power Supply | 2 × 1.5 V (AA) batteries |
| Battery Life | Approximately 4–10 hours |