Polk Audio Signature S20 Specification
| Qty Included | 1 |
| Orientation | Horizontal |
| Height | 7.5" (19.05 cm) |
| Width | 20" (50.8 cm) |
| Depth | 10.6" (26.92 cm) |
| Weight | 19 lbs (8.62 kg) |
| Driver Enclosure Type | PowerPort Bass Vented |
| Audio Inputs | - |
| Speaker Inputs | (1) Pair of 5-way Binding Posts - Gold Plated |
| Total Frequency Response | 42 Hz → 40000 Hz |
| Nominal Impedance | 8 ohms |
| Max Sensitivity (1 watt @ 1 meter) | 89 dB |
| Recommended Amplifier Power Per Channel | 20 watts → 125 watts |
