HD-501A/B
●合理化内部声场设计，声音自然流畅、动力澎湃
●输出功率:60W
●频率范围：VHF180-270MHz
●信噪比：≥80dB
●电源电压：AC-220V/50Hz;DC12-15V
●内置12V/2.2AH可充电电池
●自动检测电池电量（电平显示）、自动检测电源、自动充电
●接收方式：FM
●输出抗阻：600Ω
●失真度：<0.05%(10dBu/v)
●信号播放方式：卡带、MP3（带收音）
●信号输入方式：无线咪、有线咪、外接音源设备（CD等）
●内置数码混响
●有效距离：50m
●喇叭：全音4Ω6.0”/8"
●尺寸：28×19×42cm
●Reasonable design of interior sound field, sound natural and smooth
●Output power:60W
●Frequency response：VHF180-270MHz
●S/N：≥80dB
●Power：AC110-240V/50Hz;DC12-18V 2A
●Built-in 12V/2.2AH rechargeable battery
●Receiver mode：FM
●Automatic detection of the battery power (level display), automatic detection power supply, automatic charging
●Output impedence：600Ω
●T.H.D：<0.05%(10dBu/v)
●Play mode:tape,MP3(with recording)
●Input：wireless microphone,wire microphone,external audio source equipment（CD and so on）
●Built-in digtal ECHO
●Working range：50m
●Speaker：tone 4Ω/8.0”
●Size：28×19×42cm
