TAKSTAR MS-580W1 Wireless Conference Microphone

 Mic Polar Pattern: unidirectional
• Mic Sensitivity: -42±2dB RL=0.68KΩ Vs=1.5V (1KHz 0dB=1V/Pa)
• Mic Frequency Response: 20Hz -16kHz
• Headphone Output Power: MIC input 30MV;   headphone output ≥480mW (at 32Ω load) • • • Headphone Output THD: ≤0.5% (at 1KHz/0dBFS)
• Headphone Output Noise Floor: ≤-85dBV (A-wt.)
• Working Current: 600mA DC: 5V
• Weight: 225g

Receiver:
• Working Voltage: USB 5V
• Maximum Current: ≤ 140mA (5V)
• Modulation Method: FM modulation
• CHA Frequency Range: A channel: 550-567MHz (UHF);  B channel: 570-590MHz (UHF) 
• Transmission Distance: >30m (line of sight) 
• Receiving Sensitivity: 90dbm ± 2dB
• USB Protocol: USB full speed 2.0 USB Audio 
• Working Frequency: 15 frequency points
• USB Audio Output: 60Hz-16kHz
• Weight: 11.5g
• Dimensions (±2mm): 77*24*9mm

Transmitter:
• Working Current: DC 3V-4.2
• Maximum Current: ≤ 90mA (3.7V)
• Battery Type: Li-polymer 1200mA (803440)
• Battery Life: about 10 hours
• Charging Current: 600mA
• Charging Interface: Type-C 5V charging (fast charging not supported)
• Modulation Method: FM modulation
• CHA Frequency Range: A channel: 550-567MHz (UHF);  B channel: 570-590MHz (UHF)
• Transmission Distance: >30m (line of sight)
• Chip Transmit Power: 16db ± 2dB
• Mic Sensitivity: -42±2dB RL=0.68KΩ Vs=1.5V( 1KHz 0dB=1V/Pa)
• Working Frequency: 15 frequency points
• Mic Volume Control: potentiometer
• Headphone Output Power: MIC input 30MV; headphone output ≥480mW (at 32Ω load)
• Headphone Output Frequency Response: 150Hz-18kHz
• Weight: about 225g
• Dimensions (±2mm): 117.91*107.02*35.13mm