Estelon FORZA ULTRA
| Brand | Estelon |
| Model | FORZA ULTRA |
| Drivers | |
| Woofer | 250 mm (11 inch) Custom Aluminium Dome |
| Woofer diameter (mm) | 250 |
| Midrange | 90 mm (5 inch) Custom Crystalid Dome |
| Midrange diameter (mm) | 90 |
| Tweeter | 25 mm (1 inch) Next Generation Diamond |
| Tweeter diameter (mm) | 25 |
| Frequency response | 27 Hz – 60000 Hz |
| Enclosure | Sealed |
| Sensitivity (dB) | 89 |
| Impedance (Ω) | 3 |
| Recommended amplifier power, least (W) | 20 |
| Recommended amplifier power, most (W) | |
| Built-in amplifier power (W) | |
| Height (mm) | 2 |
| Width (mm) | 617 |
| Depth (mm) | 682 |
| Weight (kg) | 150 |