1.5 inch 16 ohm 1W mini midrange loudspeaker driver 40mm raw speaker driver unit for intercom and alarm clock
| Attribute | Value |
| 1.1 Rate power | 0.5W |
| 1.2 Max power | 1W |
| 1.3 Sensitivity | 91±3dB(AT 0.1M/0.1W, AT 0.6,0.8,1.0,1.2KHZ) |
| 1.4 Impedance | 16Ω±15% |
| 1.5 Frequency | Fo~~5.5KHZ |
| 1.6Resonance frequency | 650±20% |
| 1.7 Distortion rate | ≤5% |
| 1.8 Magnet size | Φ12.5*2.0mm |
| 1.9 Weight | 12g±8% |
| 2.0 Size | Φ40*8.5Hmm |
| 2.1voice coil & Material | Φ13.28mm PL+Cu |
| 2.2 Cone | Paper |
