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Wide frequency response, high S/N ratio.
High precision quartz crystal locked frequency technology.
Resist disturbing strongly, limits noise output.
Super silent function, Low T.H.D.
No hitting when putting on the switch, so can protect the emplifier and Speakers.
With a complete working state and power level indicating.
With a wide using range for over 150m in a good surrounding, for 60-80m in a duplicate one.
DH-902 A double-way channels designed, two hands holding each two microphones at the same time to sing without any disturbing caused by.
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| FREQUENCY |
VHF |
UHF |
| RECEIVER |
| Carrier frequency |
170-260MHz |
450-960MHz |
| Frequency steadying |
20PPM |
5PPM |
| Sensitivity |
3uV 30dB S/N |
2uV 30dB S/N |
| F/N Ratio |
80dB |
85dB |
| P/N Ratio |
70dB |
85dB |
| Audio output |
1/4", 3-pin XLR(0-774mV) |
1/4", 3-pin XLR(0-774mV) |
| TRANSMITTER |
| Carrier frequency |
170-260MHz |
450-960MHz |
| Frequency steadying |
20PPM |
5PPM |
| Modulation model |
FM |
FM |
| Nominal deviation |
15KHz,max, 30KHz |
35KHz,max, 60KHz |
| Output power |
30mW |
25mW |
| RF squelch |
> 50dB |
> 50dB |
| Battery |
9V Layers style |
2 Piles alcaline 1.5V(AAA) |
| SYSTEM |
| Audio frequency responses |
50-16000Hz |
50-16000Hz |
| S/N Ratio |
> 100dB |
> 100dB |
| T.H.D |
< 1% |
< 0.8% |
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