Dual Channel UHF Wireless Headset Microphone with 2 Channel and 2 Microphone
Features:
> Uses UHF 600-900MHz frequency band to avoid interference frequencies.
> Employs multiple narrowband high-frequency and mid-frequency selective Filtering to effectively eliminate interference signals.
> Handheld microphone includes a low battery indicator circuit to prompt battery replacement.
> Special half-muted audio shock wave elimination circuit in the handheld microphone.
> Quartz oscillation circuit throughout, ensuring extremely high frequency stability. Adopts audio compression-expansion technology to significantly reduce noise and increase dynamic range.
> Equipped with feedback suppression to effectively reduce feedback squeal.
> Unique noise squelch function to reject external interference by activating the system's mute feature.
> Selects high-quality chips and components to deliver exceptional sound quality.
> Features independent balanced output and mixed output, compatible with mixers and amplifiers.
> Maximum open space usage distance of 80 meters.
> Suitable for various applications such as large and small stages, dance halls, conference rooms, churches, lectures, KTV rooms, and home entertainment.
| Model |
WM-89U |
| Frequency range |
UHF600-900MHZ |
| Modulation type |
Wideband FM |
| Tuning range |
50MHz |
| Number of channels |
200 |
| Channel spacing |
250kHz |
| Frequency stability |
±0.005% |
| Dynamic range |
100dB |
| Maximum frequency deviation |
±15kHz |
| Audio response |
80Hz-15kHz |
| Overall SNR |
>105dB |
| Total harmonic distortion |
≤0.5% |
| Operating distance |
>50 meters |
| Operating environment |
-10°C to +50°C |
| Receiver |
|
| Receiver power supply |
DC 12V |
| Receiver current |
200mA |
| Receiver output level |
+10dBV |
| Transmitter |
|
| Transmitter power supply |
2 AA batteries |
| Transmitter current |
130mA |
| Transmitter power |
Max 30mW |
| Transmitter operating time |
>3 hours |




