Infinity P143
| Brand | Infinity |
| Model | P143 |
| Drivers | |
| Woofer | 4" (100mm) MMD® |
| Woofer diameter (mm) | 100 |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | 3/4" (19mm) MMD® |
| Tweeter diameter (mm) | 19 |
| Frequency response | 100 Hz – 20000 Hz +3 −3 dB |
| Enclosure | |
| Sensitivity (dB) | 86 |
| Impedance (Ω) | 8 |
| Recommended amplifier power, least (W) | 10 |
| Recommended amplifier power, most (W) | 100 |
| Built-in amplifier power (W) | |
| Height (mm) | 251 |
| Width (mm) | 150 |
| Depth (mm) | 173 |
| Weight (kg) | 3.2 |