Product introduction: HTDZ Haitian HT-801 professional conference microphone / gooseneck condenser microphone / DC3V power supply mode: ● Transduction mode: Capacitive ● Frequency response: 40Hz-16KHz ● Directivity: Heart type ● Output impedance (ohms): 200Ω ● Sensitivity: -38dB±2dB ● Supply voltage (V): DC3V ● Effective pickup distance: 40cm ● Length of microphone tube :405mm ● Microphone length, configuration: 8m single core, card dragon +6.35 mono plug ● Single microphone weight: 0.79KG ● Battery continuous use time: 30 hours (5th battery) ● Base size (width * Deep * high) mm: 140 * 141 * 39 ● Output, indication: unbalanced, seat light ● Switch: ship type switch ● Factory configuration: microphone, microphone, windproof cotton, manual, certificate, warranty card ● Anti-cell phone, electromagnetic High frequency interference