| Specification | Polk Audio PSW505 | SVS SB13-Ultra |
|---|---|---|
| Connections | ||
| Xlr Outputs (pair) | 1 | |
| Xlr Inputs (pair) | 1 | |
| Rca Outputs | 1 | |
| Rca Stereo Line Level Inputs (pair) | 1 | 1 |
| Rca Lfe Inputs | 1 | |
| Speaker Inputs (pair) | 2 | |
| Speaker Outputs (pair) | 2 | 2 |
| Bi-amp | ||
| Material | ||
| Body Material | MDF | wood |
| Enclosure Type | sealed | sealed |
| Colors | black | black |
| Woofer Composition | polymer | polymer |
| General | ||
| Detachable Grilles | ||
| Amplification Type | active | active |
| Driver | ||
| Driver Quantity | 1 | 1 |
| Port Placement | has not | has not |
| Driver Placement | front panel | front panel |
| Driver Size, In | 12 | 13 |
| Controls | ||
| Main Power Switch | ||
| Low-pass Filter | ||
| Subwoofer Phase | ||
| Volume | ||
| Audio Performance | ||
| Crossover Frequency, Hz | 60-125 | 31-125 |
| Frequency Response, Hz | 25-160 | 20-460 |
| Impedance, Ohm | 4 | 8 |
| Sensitivity, Db | 85 | 120 |
| Dimensions | ||
| Weight, Kg/pounds | 19.5/43 | 41.7/92 |
| Dimensions (h X W X D), Cm/in | 40.9 x 38.4 x 46.2/18.2 x 15.2 x 16.2 | 29 x 28 x 32/20.4 x 17.4 x 17.9 |
| Power | ||
| Audio Amplifier Output Power, W | 360 | 1000 |
| Maximal Output Power (rms), W | 480 | 3600 |
| Nominal Output Power (rms), W | 250 | 1000 |
