Polk Audio 90-RT
A big speaker that delivers big sound, yet vanishes into your room's decor. The 90-RT is perfect for use as stealth mains, rears and side surrounds in a high-performance home theater, or for bringing dynamic sound to alternate zones from your main stereo listening room.
| Brand | Polk Audio |
| Model | 90-RT |
| Drivers | • (1) 3.25" (8.26 cm) d (Round) Dynamic Balance driver with mineral-filled polypropylene cone - Midrange • (1) 0.75" (1.91 cm) d (Round) Silk/polymer dome - Tweeter • (1) 9" (22.86 cm) d (Round) Dynamic Balance woofer with mineral-filled polypropylene cone - Subwoofer |
| Woofer | |
| Woofer diameter (mm) | |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | |
| Tweeter diameter (mm) | |
| Frequency response | |
| Enclosure | |
| Sensitivity (dB) | 90 |
| Impedance (Ω) | 8 |
| Recommended amplifier power, least (W) | |
| Recommended amplifier power, most (W) | 10 |
| Built-in amplifier power (W) | |
| Height (mm) | |
| Width (mm) | |
| Depth (mm) | 236 |
| Weight (kg) |