型號(hào)460阻抗300/32（ ）類(lèi)型頭戴式靈敏度102（dB/mW）導(dǎo)線長(zhǎng)度1.5（m）喇叭直徑30（ mm）失真率0.5（％）插頭3.5（ mm）品牌SINHUA頻響范圍20~20k（Hz）1)frequencyresponse:100Hz-20KHz2)sensitivity:102dB 2dbat1,000Hz3)Max.inputpower:500mW4)impedance:32Ohms5)Jacksize:3.5mm6)Cordlength:1.2m