
| Picture | Product Name | Model | Diameter(mm) | Height(mm) | Sensitivity(dBA) | Capacitance(nF) | Max Input Voltage(Vp-p) | Frequency Range(Hz) | |
| Piezo Receiver-PR17N | PR17N | 17 | 2 | 106 at 1.0kHz | 80 at 120Hz | 30 | 300~3400 | ||
| Piezo Receiver - PR21N | PR21N | 21 | 2 | 106 at 1.0kHz | 75 at 120Hz | 30 | 300~3400 | ||
| Piezo Receiver-PR23N | PR23N | 23 | 4 | 106 at 1.0kHz | 90 at 120Hz | 30 | 300~3400 | ||