Diaphragm structure direct acting |||

Quick response, high frequency |||
Vacuum epoxy encapsulation, coil waterproof  to ensure safe and reliable feature |||
1/10 second reaction rate speed, to make sure the perfect combination between music and the water |||
Unique design for water control music fountain, jump spring etc|||

Diaphragm step direct acting |||
Action quick response, high frequency |||
Vacuum epoxy encapsulation, coil waterproof safe and reliable |||
The perfect combination of reaction rate of 1/10 seconds, let you feel the music and the water |||
As the water control music fountain, fountain, run jump spring, specially designed |||
  vacuum epoxy encapsulated coil leak proof structure, ensure the safety ||| underwater operation