阻抗32( )類型頭戴式靈敏度45(dB/mW)品牌joyshiya頻響范圍20-2000(Hz)*立體聲紅外無線耳機(jī)*紅外發(fā)射頻率:左聲道2.3MHz,右聲道2.8MHz*喇叭: 40mm*阻抗:32 15%*有效距離:10米(最遠(yuǎn))IRsterowirelessheadphone*stereowirelessheadphoneCarrierfrequencies:L2.3MHz/R2.8MHzL3.2MHz/R3.8MHz*suitableforglobalmarkets