Type: Resonance actuator

Dimensions: 45mm

Material : neodymium iron boron

Power: Nominal input 3-25W, Maximum input 30W

Nominal Impedance: 4Ω±10% test @200Hz 1V

Lowest Resonance Frequency : 58Hz±20% (@1.0V)

Distortion : 5% less @1W 1000Hz

Main magnet size : 25*8 N40

Vice-magnet size : 25*3.5 N40

Total Weight : 330g

Sine Wave Test : Must be normal at sine wave

Load Test : Must be normal after load test: pink noise  20W   48hours

1. massage function

2. vibration function

3. music feel massage via connecting bluetooth amplifier