| Specification | Polk Audio PSW125 | SVS PB16-Ultra |
|---|---|---|
| Connections | ||
| Rca Stereo Line Level Inputs (pair) | 1 | 1 |
| Rca Lfe Inputs | 1 | 1 |
| Speaker Inputs (pair) | 2 | |
| Speaker Outputs (pair) | 2 | |
| Bi-amp | ||
| Xlr Outputs (pair) | 1 | |
| Xlr Inputs (pair) | 1 | |
| Rca Outputs | 1 | |
| Controls | ||
| Subwoofer Phase | ||
| Volume | ||
| Main Power Switch | ||
| Low-pass Filter | ||
| Dimensions | ||
| Weight, Kg/pounds | 18.2/40.1 | 79.2/174.6 |
| Dimensions (h X W X D), Cm/in | 41.9 x 41.2 x 48.5/16.5 x 16.2 x 19.3 | 55.1 x 63 x 76.4/21.7 x 25 x 30.9 |
| Audio Performance | ||
| Impedance, Ohm | 8 | 8 |
| Sensitivity, Db | 89 | 112 |
| Crossover Frequency, Hz | 60-160 | 30-200 |
| Frequency Response, Hz | 32-225 | 16-460 |
| Driver | ||
| Port Placement | down firing | front panel |
| Driver Placement | front panel | front panel |
| Driver Size, In | 12 | 16 |
| Driver Quantity | 1 | 1 |
| Material | ||
| Enclosure Type | vented | vented |
| Colors | black, cherry | black |
| Woofer Composition | polymer | fiberglass |
| Body Material | MDF | MDF |
| Power | ||
| Audio Amplifier Output Power, W | 300 | 4000 |
| Maximal Output Power (rms), W | 300 | 5000 |
| Nominal Output Power (rms), W | 150 | 1500 |
| General | ||
| Detachable Grilles | ||
| Amplification Type | active | active |
