best quality 3.5 inch subwoofer 8ohm 2owatt car audio speakers
| Attribute | Value |
| 1.1 Rate power | 20 W |
| 1.2 Max power | 25 W |
| 1.3 Sensitivity | 94±3dB(AT 0.1M/0.1W, AT 0.6,0.8,1.0,1.2KHZ) |
| 1.4 Impedance | 8Ω±15% |
| 1.5 Frequency | Fo~~20KHZ |
| 1.6Resonance frequency | 120hz±20% |
| 1.7 Distortion rate | ≤5% |
| 1.8 Magnet size | Φ60*32*10mm |
| 1.9 Weight | 255g±8% |
| 2.0 Size | Φ87*41Hmm |
| 2.1voice coil & Material | Φ19.45mm ASV+Cu |
| 2.2 Cone | Paper cone with rubber edge |
