The Polk Audio 90-RT Vanishing Series In-Ceiling Speaker brings big, immersive sound with a discreet design that virtually disappears into your ceiling. Engineered in Baltimore, Maryland, it features Polk’s exclusive Dynamic Balance® technology with a 9-inch mineral-filled polypropylene woofer, a 3.25-inch midrange driver, and a 0.75-inch silk/polymer dome tweeter. This 3-way speaker design ensures clear dialogue, vibrant midrange, and deep, resonant bass, making it ideal for home theaters, surround sound, or multi-room audio setups.
Polk’s ultra-thin Sheer-Grille™ is paintable, allowing the 90-RT to blend seamlessly into any space. The speaker’s high sensitivity (90 dB) and wide frequency response (30 Hz – 27,000 Hz) make it compatible with a variety of amplifiers, delivering an outstanding listening experience with minimal distortion.
Designed for flexible placement, the 90-RT is perfect for use as main speakers, rear surrounds, or side speakers in a high-performance audio system. With gold-plated push connectors for secure wiring and a pre-construction bracket option, installation is both easy and reliable.
Features:
- High-performance 3-way in-ceiling speaker for immersive sound
- Dynamic Balance® 9-inch woofer for deep, punchy bass
- 3.25-inch midrange driver for clear vocals and balanced sound
- 0.75-inch silk/polymer dome tweeter for smooth, detailed highs
- Ultra-thin Sheer-Grille™ for paintable, nearly invisible installation
- High sensitivity (90 dB) for efficient power handling
- Wide frequency response (30 Hz – 27,000 Hz) for full-range sound
- Gold-plated push connectors ensure a secure and stable connection
- Compatible with optional PB LC60i pre-construction bracket
Specifications:
| Feature | Specification |
|---|---|
| Brand & Model # | Polk Audio 90-RT |
| Orientation | In-Ceiling |
| Driver Complement | 9″ Woofer, 3.25″ Midrange, 0.75″ Tweeter |
| Shape | Round |
| Frequency Response | 30 Hz – 27,000 Hz |
| Nominal Impedance | 8 ohms |
| Sensitivity (1W @ 1m) | 90 dB |
| Lower & Upper -3dB Limits | 43 Hz – 25,000 Hz |
| Recommended Amp Power | 10W – 125W |
| Inputs | Gold-Plated Push Connectors |
| Grille Dimensions | 9.63″ Diameter |
| Speaker Dimensions | 8.19″ Diameter |
| Depth | 9.28″ (23.57 cm) |
| Accessories Included | Sheer-Grille™ (White, Paintable) |
| Optional Accessories | PB LC60i Pre-Construction Bracket (Sold Separately) |
| Carton Dimensions (H x W x D) | 11.25″ x 13.25″ x 15.25″ |
| Weight | 9.5 lbs (4.31 kg) |
| Warranty | Lifetime Warranty |
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