MIC WIRELESS MICROPHONE SHURE SM-819 CHENGER MIC WIRELESS VOCAL

Technical Parameter Pickup method: dynamic coil Number of channels: 8 frequency points per channel, totaling 16 frequency points Blocking pit: 600 Ω Frequency range: 250-290MHz Sensitivity: 50dBuV Frequency stability: ± 10ppm RF power: 10dBm Audio frequency response: 40-18000Hz Distortion: ≤ 0.5% Working current: lt;200mA Signal to noise ratio: ≥ 110dB Power supply voltage: 3.7V Dynamic range: gt;105dB Audio output: 0-400mV Spurious suppression: gt;80dB Mirror suppression: gt;80dB Receiving distance: 50M Battery specification: 3.7V/18650 lithium battery 2x1.5V Dry cell Continuous service time: 8-15 hours