System Audio Signature 40
Signature 40 speaker delivers rich, high-resolution full-range sound with patented DTX acoustic lens and elegant Scandinavian design.
| Brand | System Audio |
| Model | Signature 40 |
| Drivers | |
| Woofer | 2 × Signature 15/6 (5½ inch) |
| Woofer diameter (mm) | |
| Midrange | 1 × Signature 15/4 (5½ inch) |
| Midrange diameter (mm) | |
| Tweeter | 1 × Signature DXT (1 inch) |
| Tweeter diameter (mm) | 25 |
| Frequency response | 30 Hz – 25000 Hz |
| Enclosure | Ported |
| Sensitivity (dB) | 90 |
| Impedance (Ω) | 4 |
| Recommended amplifier power, least (W) | |
| Recommended amplifier power, most (W) | 300 |
| Built-in amplifier power (W) | |
| Height (mm) | 950 |
| Width (mm) | 165 |
| Depth (mm) | 249 |
| Weight (kg) |