| Brand | Estelon |
| Model | EXTREME |
| Drivers | 2 × 250 mm (11″) CELL aluminium sandwich woofers (custom design by Accuton) 1 × 250 mm (11″) CELL aluminium sandwich mid-woofer (custom design by Accuton) 1 × 168 mm (7″) CELL ceramic membrane midrange (Accuton) 1 × 25 mm (1″) CELL diamond tweeter (Accuton) |
| Woofer | |
| Woofer diameter (mm) | |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | |
| Tweeter diameter (mm) | |
| Frequency response | 23 Hz – 60000 Hz |
| Enclosure | Ported |
| Sensitivity (dB) | 91 |
| Impedance (Ω) | 3 |
| Recommended amplifier power, least (W) | |
| Recommended amplifier power, most (W) | |
| Built-in amplifier power (W) | |
| Height (mm) | 1770 |
| Width (mm) | 690 |
| Depth (mm) | 820 |
| Weight (kg) | 250 |
