Wireless karaoke system/ wireless microphone system/ uhf wireless mic

Bl-1004 uhf handheld wireless system (with plastic case)

Scope of application: hight-class ktv, high-level performance & presentation, stages, big & small parties.

-selling points:
1. Uhf fixed frequency
2. Customerized uhf wireless microphone
Solution 1: with wireless microphone
Solution 2: with body pack transmitter and headset microphone / lapel microphone
3. Frequency: 420-560mhz, transmitting distance: 70-100m, transmitter battery 8hour
4. The antenna can be changed to black plastic antenna.

Specifications:

Fixed receiver:
Power supply voltage: ac220v/45-60hz
Power consumption: 5water
Snr: > 90db
False interference ratio: > 80db
Adjacent channel interference ratio: > 80db
Receiver sensitivity: > 5dbu (sinad = 20db)
To add: 50us

Handheld microphone:
Transmit power: 20mw
Modulation: fm, f3f
Maximum modulation: ± 25khz
High-order harmonic: less than over the main porgy quasi-40db
Power supply voltage: 9v
Continuous use of time: 6 hours

Comprehensive performance:
Carrier frequency: uhf420-560mhz
Frequency stability: <± 30ppm
Dynamic range: > 90db
Harmonic distortion: <0.5%
Frequency response: 40hz ~ 15khz ± 3db
Audio output: balanced: 0 ~ ± 400mv
Hybrid: 0 ~ ± 200mv