S-520
| Manufacturer | Usher Audio Technology |
| Function | Speaker |
| Country | Taiwan |
| Form Factor | Bookshelf / Stand Mounted |
| Dimensions | 7.1" (180mm) W by 11.8" (300mm) H by 9.8" (250mm) D |
| Weight | 13.9 lbs (6.3kg) |
| Frequency Response | 55Hz–20kHz, –3dB |
| Notes | Power handling: 50W. Crossover frequency: 2kHz Two-way front-ported bookshelf loudspeaker. Drive-units: 1" UA25-10 silk-dome tweeter, 5" KSW2-5029B polypropylene-cone mid-woofer. Sensitivity: 86dB/W/m. Nominal impedance: 8 ohms. |
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