电声

• Bluetooth headset audio test set
  蓝芽耳机-电声分析仪
• Verification regulation of electro - acoustical measuring instrument for telephone sets
  电话电声测试仪检定规程
• Electroacoustical reciprocity theorem
  电声互易定理
• Mechenical interface between communication electro acoustic device and equipment
  通信电声器件与设备的机械接口
• Headset auto testing instrument
  麦克风电声分析仪
• Cellular phone gsm analyzer
  行动电话电声分析仪
• Microphone measuring system
  电声测试仪麦克风
• Receiver measuring system
  电声测试仪受话器
• Headphone measuring system
  电声测试仪耳机
• The prefered matching values between communication electo - acoustic device and equipment
  通信电声器件与设备互连的优选配接值