劳莱斯RY-08A便携式扩音机型号:RY-08A 规格:●Powersource:AC110Vto250VDC 18V●Outputpower:200W●Loudspeaker:8 3●Piay/rec:mp3(20Hz-20KHz)●Channel:Doublechannelsanddoubiewirelessmicrophones●Frequencyrang:VHF170-265MHz●Sensitivity:10dB V(S/Nisover60dB)●Ooscitillatingmode: 0.005%quartzoscillatinglocked●Wirelesseffectiverange:100meters