Yamaha NS-IW660
In-wall Custom Speaker Series from Yamaha Electronics
| Brand | Yamaha |
| Model | NS-IW660 |
| Drivers | 1-5/8" Aluminum Dome Driver |
| Woofer | 6-1/2" Kevlar Cone Woofer |
| Woofer diameter (mm) | 165 |
| Midrange | 1-5/8" Aluminum Dome Driver |
| Midrange diameter (mm) | 41 |
| Tweeter | 1" Titanium Dome Tweeter |
| Tweeter diameter (mm) | 25 |
| Frequency response | 50 Hz – 28000 Hz |
| Enclosure | |
| Sensitivity (dB) | 88 |
| Impedance (Ω) | 8 |
| Recommended amplifier power, least (W) | |
| Recommended amplifier power, most (W) | |
| Built-in amplifier power (W) | |
| Height (mm) | 226 |
| Width (mm) | 287 |
| Depth (mm) | 97 |
| Weight (kg) | 2 |