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8540 4 CH Wireless Microphone

SKU:A12070
Product Description
Technical parameters 1. Comprehensive performance Frequency range: UHF500-600MHz/UHF600-700MHz/UHF850-950MHz (specific frequency depends on the technical specifications of the system used) Number of frequencies: 760 Digital modulation method: pi/4 DQPSK Bandwidth occupied: 300 KHz Audio signal-to-noise ratio: 90 dB Frequency response: 50~15 KHz 2. transmitter indicators Transmission method: Audio and data are transmitted using 32-bit encrypted digital transmission Dedicated data channel: 7kbps, internal CRC verification Sound head: professional audio dynamic coil sound head Maximum transmission power: ≤ 10 dBm Frequency stability: within ± 0.005% Working distance: Under unobstructed interference, the most ideal distance is within 80 meters Battery specifications: 2 1.5V AA alkaline batteries 1. Receiver indicators Receiving method: Digital decryption receiving Receiving sensitivity: -94dBm Number of frequencies: 760 Silent pilot ID code locking