| APM-TEC | Diameter | Construction | Using method | Nominal Frequency | Sensitivity | S P L | Directivity | Capacitance | Detectable range | Operating Temperature | Housing material |
| mm | Hz | dB | pF | m | ℃ | ||||||
| APM-USW1440TR | 14 | Water proof | Dual | 40K | ≥-75dBV/μMbar | ≥93 (10V/30cm/sine wave) | 80deg | 2000±25%@1KHz | 0.2….2 | -20….+85 | Al |
