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PS-690 Wireless microphone
Performance characteristics
1. the use of VHF 220-270MHz band, using quartz oscillator circuit, has a very high stability.
2. dual antenna receiver.3. the mute control functions.4. metal receiver and metal tail boom hand microphones, durable shatter-resistant.
5. independent volume adjustment knob.6. two independent Karen balance outlet 7. two 6.35mm mixing output socket.
8. the maximum effective distance of 80 meters.9. transmitter low battery alarms.
10. Panel RF status display.11. specifications: the 510x275x75mm (l. wide.High).12. gross weight/sleeve: 4.5 kg
Detail
Technical parameters
System parameters
Carrier frequency: VHF 220-270MHz
Modulation mode: FM
Channels: dual-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
PCs/carton: 5
Carton size (l. wide.High): 565x450x380 mm
Gross weight/carton: 24 kg
Volume/box: 0.097 cubic meters
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