NS-5X
| Brand | Yamaha |
| Manufacturer | Nippon Gakki Co. Ltd. |
| Function | Speaker |
| Produced | 1987 |
| Country | Japan |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 22.5 × 37 × 22.9 cm (W × H × D) |
| Weight | 5.4kg |
| Frequency Response | 60Hz-25kHz |
| Treble | 3.5cm Titanium Nitride Dome (Yamaha JA-0581) |
| Midrange/Bass | 18cm Ceramic Impregnated Paper Cone (Yamaha JA-1808) |
| Sensitivity | 92dB/W/m |
| Impedance (Nominal) | 6Ω |
| Crossover Frequency | 2kHz |
| Crossover Slope | 12dB/Oct (Second Order) |
| Enclosure Type | Bass Reflex |
| Finish | Black |