| Specification | Polk Audio PSW111 | Sony SACS9 |
|---|---|---|
| Audio Performance | ||
| Impedance, Ohm | 4 | NA |
| Sensitivity, Db | 90 | NA |
| Crossover Frequency, Hz | 60-120 | NA |
| Frequency Response, Hz | 38-250 | 28-200000 |
| Connections | ||
| Rca Stereo Line Level Inputs (pair) | 1 | 1 |
| Rca Lfe Inputs | 1 | |
| Speaker Inputs (pair) | 2 | NA |
| Speaker Outputs (pair) | 2 | NA |
| Bi-amp | NA | |
| Xlr Outputs (pair) | NA | |
| Xlr Inputs (pair) | NA | |
| Rca Outputs | NA | |
| Controls | ||
| Subwoofer Phase | ||
| Volume | ||
| Main Power Switch | ||
| Low-pass Filter | NA | |
| Dimensions | ||
| Weight, Kg/pounds | 9.5/21 | 111.3/25 |
| Dimensions (h X W X D), Cm/in | 30.8 x 27.9 x 33/14 x 11 x 12.2 | 18.7 x 14.8 x 17.3 |
| Power | ||
| Audio Amplifier Output Power, W | 150 | 115 |
| Maximal Output Power (rms), W | 300 | 115 |
| Nominal Output Power (rms), W | 150 | NA |
| Driver | ||
| Port Placement | down firing | NA |
| Driver Placement | front panel | NA |
| Driver Size, In | 8 | 10 |
| Driver Quantity | 1 | 4 |
| Material | ||
| Enclosure Type | sealed | Bass reflux enclosure with a woof cabinet |
| Colors | black | BLACK |
| Woofer Composition | polymer | mica |
| Body Material | MDF | NA |
| General | ||
| Detachable Grilles | ||
| Amplification Type | active | active |