200-280mHz Wireless Digital Display Microphone Mic System for Karaoke KTV Audio Player
Features:
Using VHF 200-280 mHz band to avert interferencing frequency
Using multilevel high frequency and mid frequency narrowband filter, so as to dispel anypossible interferencing signals
The wireless microphone use hidden antenna look good and are useful
There is a volt indicating circuit in the the microphone. it can tell you if it is necessary tochange the battery
Specially designed circuit switch is on the phone. it is for clearing up waves of miscella-neous siona
All use quartz crystal oscillating circuits so the frequency is very steady
This kind professional wireless microphone adopt a series of measures to improve its functions advance frequency
Using multilevel high frequency and mid frequency narrowband filter, mulriple no-e detect and control
Designing it special functions(tone key locked identity )to a-void interference from outside
Effective, built-in spherical wind
Note:
Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.
Please allow 1-3CM differs due to manual measurement.
Package Included:
2 x Microphone
1 x Receiver
1 x Audio Cable
2 x Battery
1 x Instruction Manual
| Specification | |
| Carrier frequency | VHF-280MHZ |
| Frequency stabilization | less than±30ppm |
| Dynamic range | more than 90db |
| Total harmonic distortion | less than 0. 5% |
| Frequency response | 40hz-15khz士3dB |
| Audio output level separate type | 0--+400mv mix tune 0--200mv |
| Effective distance received (empty place) | 40-50 meters at the farthest |
| Fixed receiver | |
| Power supply | AC110-220v45-60hz |
| Consume power | 4watt |
| Signal/noie power | more than 90db |
| Signal/nose ratio | more than 80db |
| Image spurious reiection | more than 80db |
| Receivering sensitvity | less than 10dbuv(sinad=30db) |
| De-emphasis | 50us |
| Handing microphone | |
| Transmitter power | 30mw |
| Modulaton type | FM, F3F |
| Max deviation | 土25KHz |
| Spurious emission | more than 40dB(with carrier) |
| Battery voltage | 9v battery |
| Continuum using | 6 hours(compare with gp 1604s 9v battery) |
| Noise contror | perfectness circuit for eliminating noises |
200-280mHz Wireless Digital Display Microphone Mic System for Karaoke KTV Audio Player See detail
