| APM-TEC | Dimensions | Rated Input | Max. Input | Impedance | Pure sound | Polarity | Response Frequency(f0) | Frequency Response | Output S.P.L. | Operating Temperature | Storage Temperature | Weight |
| mm | W | W | Ω | Hz | Hz | dB | ℃ | ℃ | g | |||
| APM-L4008M-0.5W | 40 | 0.5 | 0.8 | 8±15%@20℃ | 2Vrms,sine wave, no buzzes and battles | Diaphragm moves forward when connected with +, – | 800±15% | f0~3K | 92±3at 0.1m/0.1W/1KHz | -20 ~ +60 | -30~ +60 | 08. Apr |
