2.25 inch 57mm paper cone loudspeaker 32 ohm 0.5 watt raw speaker driver unit with mounting hole
| Attribute | Value |
| 1.1 Rate power | 0.5 W |
| 1.2 Max power | 1 W |
| 1.3 Sensitivity | 94±3dB(AT 0.1M/0.1W, AT 0.6,0.8,1.0,1.2KHZ) |
| 1.4 Impedance | 32Ω±15% |
| 1.5 Frequency | Fo~~5KHZ |
| 1.6Resonance frequency | 500±20% |
| 1.7 Distortion rate | ≤5% |
| 1.8 Magnet size | Φ12.5*2.0mm |
| 1.9 Weight | 23g±8% |
| 2.0 Size | Φ57*13.5Hmm |
| 2.1voice coil & Material | Φ13.28mm PL+Cu |
| 2.2 Cone | Paper |
