Speaker:
Vibrated receiver:
| Dimensions | Φ15mm |
| Impedance | 8 ohms ±15% |
| Frequency response | 420Hz to 20kHz |
| Sound pressure level | 102dB ±2dB |
| Maximum power | 50m/W |
Vibrated receiver:
| Dimensions | Φ15mm |
| Impedance | 2.2k ohms |
| Sensitivity | -56dB ±2dB |
| Frequency response | 100 to 160kHz |
| Directicity | omnidirectional |
| Operating voltage | 1V to 10V |