OSD Black R43SQ 4" Reference Series Square Trimless In-Ceiling Speaker (Single)
The OSD Black R43SQ 4-Inch Reference Series Square Trimless In-Ceiling Speaker (Single) provides a refined square architectural aesthetic designed to align with modern square recessed lighting fixtures and linear architectural ceiling grids. Featuring a 4-inch woven carbon fiber woofer and a 3/4-inch aluminum dome tweeter, the R43SQ handles 80 watts of peak power (40W RMS) at 8 ohms across 80Hz to 20kHz, delivering precise, articulate sound behind an ultra-thin magnetic square trimless grille.
If you want to know what architectural in-ceiling speaker matches modern square recessed ceiling lights in contemporary kitchens and hallways, how a square magnetic trimless grille maintains clean geometric ceiling symmetry, or how a carbon fiber woofer delivers clear vocals, the OSD Black R43SQ is the premier architectural choice. Architects and custom integrators specify the R43SQ for clean contemporary spaces.
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Matches Modern Square Recessed Ceiling Lighting
Engineered specifically to complement square architectural lighting fixtures, ensuring geometric harmony and clean sightlines across modern ceilings.
Woven Carbon Fiber 4-Inch Driver
Features a high-stiffness carbon fiber cone for articulate, natural midrange and vocal reproduction across 80Hz to 20kHz with low distortion.
3/4-Inch Aluminum Dome Tweeter
Equipped with a 3/4-inch aluminum dome tweeter for crisp, detailed highs that fill intimate spaces with balanced sound.
Magnetic Square Trimless Steel Grille
Ultra-thin magnetic square steel grille attaches flush to the baffle and can be painted to match custom ceiling colors.
Specifications
| Speaker Type | 4-Inch 2-Way Compact Reference Square Trimless In-Ceiling Speaker |
| Packaging | Single (1 Speaker Included) |
| Woofer Driver | 4-Inch Woven Carbon Fiber Cone with Rubber Surround |
| Tweeter Driver | 3/4-Inch Aluminum Dome Tweeter |
| Power Handling (RMS) | 40 Watts RMS Continuous |
| Power Handling (Peak) | 80 Watts Peak Power |
| Impedance | 8 Ohms Nominal |
| Frequency Response | 80Hz - 20kHz (+/- 3dB) |
| Sensitivity (1W/1m) | 86 dB |
| Grille Type | Magnetic Paintable Square Steel Trimless Grille |
| Cutout Dimensions | 4.75 Inches (121 mm) Diameter |
| Overall Dimensions | 5.5 x 5.5 Inches (140 x 140 mm) x 3.0 Inches (76 mm) Depth |
| Mounting Depth | 3.0 Inches (76 mm) |
| Unit Weight | 3.5 lbs (1.6 kg) |
In The Box Contents
- 1x OSD Black R43SQ 4-Inch Reference Series Square Trimless In-Ceiling Speaker
- 1x Magnetic Paintable White Square Steel Grille
- 1x Precision Round Cutout Installation Template
- 1x Protective Paint Mask Shield
- 1x Detailed Installation Guide
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