NS-SW901
| Manufacturer | Yamaha |
| Function | Speaker (Piano Black) |
| Country | Japan |
| Form Factor | Floorstanding / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 410 x 457 x 462 mm; 16-1/8” x 18” x 18-1/4” |
| Weight | 32 kg |
| Power | 0.5 W |
| Frequency Response | 18-160 Hz |
| Type | Subwoofer |
| Driver | 25 cm F.B.P. cone |
| Dynamic Power | 600 W |
| Notes | Advanced YST II (Yamaha Active Servo Technology II) 25cm (10”) F.B.P. (Fiber Blend Paper) diaphragm with diecast aluminium frame 600W high performance digital amplifire built in Twin wooden Linear Ports Heavy-duty construction Three Bass Modes (wide, normal and narrow) Three memory presets Continuously variable high cut filter Full-function remote control unit Sleep timer |