OSD Black R81 8" Acoustic Series Trimless In-Ceiling Speakers (Pair)
The OSD Black R81 8-Inch Acoustic Series Trimless In-Ceiling Speakers (Pair) provide rich, deep bass and expansive sound dispersion for open-concept living rooms, great rooms, and high ceilings. Built with an 8-inch polypropylene cone woofer with rubber surround and a 1/2-inch silk dome tweeter, the R81 handles 150 watts of peak power (75W RMS) at 8 ohms across 40Hz to 20kHz, delivering full, warm sound and modern flush trimless magnetic aesthetics throughout your home.
If you want to know what 8-inch trimless ceiling speaker delivers deep 40Hz bass without requiring external subwoofers in large rooms, how a lightweight poly woofer fills high-ceiling spaces with warm musicality, or how magnetic zero-bezel grilles maintain a minimalist look, the OSD Black R81 delivers excellent performance and value. Audio installers rely on the R81 for reliable whole-home audio coverage.
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Expansive 8-Inch Low-End Performance
The large 8-inch polypropylene woofer delivers deep bass response down to 40Hz, providing rich, warm musical presence that effortlessly fills large spaces without needing floor-standing subwoofers.
Smooth Silk Dome Tweeter
A 1/2-inch silk dome tweeter provides clear, fatigue-free high frequencies, ensuring articulate vocals and smooth musical highs during all-day listening.
Ultra-Clean Magnetic Trimless Frame
Zero-bezel magnetic steel grille attaches seamlessly over the mounting frame, providing an elegant architectural finish that can be painted to match your ceiling.
Reinforced Dog-Ear Installation System
Four heavy-duty dog-ear clamps ensure a rigid, vibration-resistant mount against standard drywall ceilings.
Specifications
| Speaker Type | 8-Inch 2-Way Acoustic Trimless In-Ceiling Speakers |
| Packaging | Pair (2 Speakers Included) |
| Woofer Driver | 8-Inch Polypropylene Cone with Rubber Surround |
| Tweeter Driver | 1/2-Inch Silk Dome Tweeter |
| Power Handling (RMS) | 75 Watts RMS per Speaker |
| Power Handling (Peak) | 150 Watts Peak per Speaker |
| Impedance | 8 Ohms Nominal |
| Frequency Response | 40Hz - 20kHz (+/- 3dB) |
| Sensitivity (1W/1m) | 90 dB |
| Grille Type | Magnetic Paintable Steel Trimless Grille |
| Cutout Dimensions | 9.5 Inches (241 mm) Diameter |
| Overall Dimensions | 10.75 Inches (273 mm) Diameter x 3.65 Inches (93 mm) Depth |
| Mounting Depth | 3.65 Inches (93 mm) |
| Unit Weight | 10.5 lbs (4.8 kg) Pair |
In The Box Contents
- 2x OSD Black R81 8-Inch Acoustic Series Trimless Speakers
- 2x Magnetic Paintable White Steel Grilles
- 2x Precision Round Cutout Templates
- 2x Protective Paint Shields
- 1x Detailed Installation Guide
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