SR-U4 wireless microphone session | BIRDSONG wireless conference microphone Agents | SGDR wireless ..

Provide BIRDSONG force Chi BG-U4 wireless conference microphone, BG-U2, wireless conference microphone, BG-X2, BG-X3, BG-X5, BG-X6, BG-6000, BG-6100, sea and SGDR SR-U2, SR-U4 wireless microphone series, welcome to inquire: 18201615978 Luo Jingli BIRDSONG force Chi BG-U4-grade wireless conference microphone (U segment infrared frequency, 200 frequency adjustable) System parameters: Operating Frequency: 740-790MHz Modulation : number of broadband channels FM: 200 Channel spacing: 250KHz Frequency stability: ± 0.005% Dynamic range: 100dB maximum deviation: ± 45KHz Audio Frequency Response: 80Hz-18KHz (± 3dB) integrated signal to noise ratio:> 105dB Comprehensive distortion: ≤ 0.5% Working distance: 60m (in the case of an ideal environment) Operating temperature: -10 ℃ - + 50 ℃ Receiver Specifications: Receiver mode: double conversion superheterodyne Intermediate Frequency: 110MHz, 10.7MHz antenna access: BNC / 50Ω Sensitivity: 12dBuV (80dB S / N) Sensitivity adjustment range: 12-32dBuV Spurious suppression: ≥75dB Maximum output level: + 10dBV Power supply: DC 12V 500mA input External dimensions (L * W * H): 420 × 220 × 50 mm Power Safety Standard: CCC transmitter Specifications: Antenna: Built-in output power: <10mW Spurious suppression: -60dB Power supply: two AA 1.5V alkaline batteries Battery life: normal power transmission about 10 hour