MODEL: SY-737 拾音器類型：Type Of Adapter:φ9.7背極電容式雙拾音器 Style Of Capacitance 頻率響應(yīng)Frequency Response:(40-18K)Hz 指向性Polar Pattern:超心型 Ultra Heart-style 輸出阻抗Output Impedance:2KΩ±30% 非平衡Unbalance 靈敏度Sensitivity:-23dB±3dB 參考拾音距離Reference Sound-Receiving Distance:(20-150)cm 供電電源Power Supply:DC 3V