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PS-500A Wireless microphone
 Performance characteristics
1. the use of VHF 220-270MHz band, using quartz oscillator circuit, has a very high stability.
2. the mute control functions.3. metal receiver, a durable shatter-resistant.4. independent volume adjustment knob.
5. four independent Karen balanced output.6. a 6.35mm mixing the output socket.
7. the maximum effective distance of 50 meters.8. transmitter low battery alarms.
9. the RF State of the Panel displays.10. specifications: the 510x300x140mm (l. wide.High).
11. gross weightt: 5.8 kg 
Detail
Technical parameters
System parameters
Carrier frequency: VHF 220-270MHz
Modulation mode: FM
Channels: four-channel
Frequency stability: < 30PPM
Dynamic range: >90dB
Maximum modulation: ± 20KHz
Harmonic distortion: ≤ 0.5%
Frequency response: 30Hz-35KHz (± 3dB)
Feint interference ratio: 80dB
SNR: >90 dB
Maximum effective range: 50m
Operating temperature:-10 c-+ 40 c
Receiver
Power supply: AC 220V/50Hz
Power consumption: 3W
Receiver sensitivity: 12dB μv (30dB s/n)
Audio output: mix output: 0~200mV, balanced output: 0~400mV
Transmitter
Transmit power: High:30mW;Low: 3mW
Battery: 9V
Battery life: 8 hours
Packaging
Set/carton: 4 PCs
Carton size (l. wide.H): 530x320x570mm
Gross weight/carton: 24.6 kg
Volume/box: 0.097 cubic meters
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