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QWINTA
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Quality Score: Excellent
Two wireless Handheld Microphones with balanced output. Multi-channel high band anti-interrupting wave thereby eliminating interference successfully. PLL-synthesized fixed, working separately even if used even at the same time. Compounding design to expand the effective range. Eliminates feed-backs and noise and mostly reduces the chance of interference. Perfect performance gear for church, musical concerts and many more. DH-744 wireless microphone system is a good quality wireless microphone design for users who require professional performance and budget solutions. The system delivers perfect sound by using a low interference UHF frequency band, and it is strong and reliable to meet various usages from large crowded shows to official use.
Comprehensive Performance:
Carrier Frequency: VHF170-270MHz
Frequency Stabilization: 90dB
Total Harmonic Distortion: 100dB
Image&Spurious Rejection: >80dB
Border Upon Channel Rejection: >80dB
Receiving Sensitivity: 5dBuV (sinad>20dB)
De-Emphasis: 50uS
Handheld Microphone
Transmitter Power: 30mW
Modulation Type: FM
Deviation: 20 KHz
Spurious Emission: >40dB
Battery Voltage: 9V
Continuous Using: 5 hours
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