Infinity ALPHA20
| Brand | Infinity |
| Model | ALPHA20 |
| Drivers | |
| Woofer | 6-1/2" (165mm) CMMD™ |
| Woofer diameter (mm) | 165 |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | 1" (25mm) CMMD™ |
| Tweeter diameter (mm) | 25 |
| Frequency response | 55 Hz – 22000 Hz +3 −3 dB |
| Enclosure | |
| Sensitivity (dB) | 89 |
| Impedance (Ω) | 8 |
| Recommended amplifier power, least (W) | 10 |
| Recommended amplifier power, most (W) | 100 |
| Built-in amplifier power (W) | |
| Height (mm) | 385 |
| Width (mm) | 220 |
| Depth (mm) | 280 |
| Weight (kg) | 8.2 |