| Brand | Infinity |
| Model | PRELUDEFORTY |
| Drivers | Dual 197mm x 85mm MRS (7-3/4" x 3-3/8") CMMD, magnetically shielded |
| Woofer | Dual 200mm (8") CMMD®, cast-frame, magnetically shielded |
| Woofer diameter (mm) | 200 |
| Midrange | Dual 197mm x 85mm MRS (7-3/4" x 3-3/8") CMMD, magnetically shielded |
| Midrange diameter (mm) | 197 |
| Tweeter | 25mm (1") CMMD, magnetically shielded |
| Tweeter diameter (mm) | 25 |
| Frequency response | 42 Hz – 40000 Hz +3 −3 dB |
| Enclosure | |
| Sensitivity (dB) | 85 |
| Impedance (Ω) | 8 |
| Recommended amplifier power, least (W) | 50 |
| Recommended amplifier power, most (W) | 250 |
| Built-in amplifier power (W) | |
| Height (mm) | 1452 |
| Width (mm) | 178 |
| Depth (mm) | 470 |
| Weight (kg) | 37.3 |
