Ouverture
| Brand | Sigma Acoustics |
| Manufacturer | Extreme Audio |
| Function | Speaker |
| Produced | 2013-2017 |
| Country | Italy |
| Model ID | Ouverture 2013 |
| Form Factor | Floorstanding / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 27 × 53 × 40 cm (W × H × D) |
| Weight | 16.5kg |
| Frequency Response | 38Hz-30kHz ±3dB |
| Treble | Heil Air Motion Transformer (AMT) |
| Midrange/Bass | 16cm Polypropylene Sandwich Cone (Voice Coil: 50mm) |
| Sensitivity | 89.5dB (In Room) |
| Impedance | 8Ω |
| Crossover | First Order (6dB/Oct) |
| Recommended Power | 10-130W |
| Power Handling | 130W |
| Enclosure Type | Bass Reflex |
| Finish | Rosewood, Walnut, Ebony, Cherry, Oak |
| Connections |
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| Links | Product Page |