Product Name:Teaching Microphone

Item No.:BTV-725

Specification:

Power Source:AC 110V to250V DC +-18V 5AHX3PCS

Output Power:80W

Loudspeaker:8inch

Channel:Double Channels and Double Wireless Microphone

Frequency Range:VHF165-265MHz

Sensitivity:10dB(S/N is over 60dB)

Oscillation Mode:+-0.005%

Quarts Oscillating Locked:PLL

Wireless Effective Range:35 meters

Weight:18kg