Celestion 20i
| Brand | Celestion |
| Model | 20i |
| Drivers | |
| Woofer | |
| Woofer diameter (mm) | |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | |
| Tweeter diameter (mm) | |
| Frequency response | 45 Hz – 20000 Hz |
| Enclosure | |
| Sensitivity (dB) | 90 |
| Impedance (Ω) | 8 |
| Recommended amplifier power, least (W) | |
| Recommended amplifier power, most (W) | |
| Built-in amplifier power (W) | |
| Height (mm) | 410 |
| Width (mm) | 272 |
| Depth (mm) | 290 |
| Weight (kg) | 7 |