| APM-TEC | Dimensions | Rated power | Max.power | Impedance | Pure sound | Polarity | Resonance Frequency（f0） | Frequency Response | Output S.P.L | Operating Temperature | Storage Temperature | Weight |
| mm | W | W | Ω | Hz | Hz | dB | ℃ | ℃ | g | |||
| APM-L151108M-0.5W | 0.5 | 1 | 8±15%@20℃ | 2Vrms,sine wave, no buzzes and battles | Diaphragm moves forward when connected with +, – | 1100±15% | f0~5K | 82±3 @ 0.1m/0.1W/1KHz | -20 ~ +60 | -30~ +60 | 1 |
