OSD ICE830ST 8" 70-Volt Commercial In-Ceiling Speaker with Backcan (Single)
The OSD Audio ICE830ST 8-Inch 70-Volt Commercial In-Ceiling Speaker with Backcan (Single) is a high-output, high-power commercial loudspeaker designed for high-ceiling retail stores, hotel lobbies, convention centers, auditoriums, and commercial transit hubs. Featuring an integrated steel plenum backcan, an 8-inch polypropylene woofer, a 1-inch PEI dome tweeter, and a heavy-duty 70-Volt and 100-Volt transformer (50W, 25W, 12.5W, 6.25W) with an 8-ohm bypass, the ICE830ST delivers authoritative sound pressure levels and deep bass reinforcement across large open spaces.
If you want to know what commercial 70-Volt ceiling speaker provides commanding bass and high volume in high-ceiling retail environments, how a 50W transformer tap delivers higher sound pressure levels over long speaker cable runs, or how an integrated steel backcan meets strict commercial plenum fire codes, the OSD ICE830ST is the premier commercial loudspeaker. Commercial contractors rely on the ICE830ST for wide coverage and robust acoustic projection.


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High-Output 8-Inch Commercial Acoustic Driver
The large 8-inch polypropylene woofer moves substantial air, providing rich, warm musical presence down to 45Hz that cuts through ambient noise in busy commercial environments without harshness.
Integrated Commercial Plenum Steel Backcan
Meets commercial building code plenum fire regulations while providing an acoustically tuned sealed enclosure that guarantees consistent bass output in open plenum ceiling spaces.
High-Wattage 50W 70-Volt / 100-Volt Transformer
Features selectable 50W, 25W, 12.5W, and 6.25W transformer taps at 70V, allowing installers to adjust power output for varying ceiling heights, along with an 8-ohm bypass mode (80W RMS / 160W Peak).
Heavy-Duty Tile Bridge & Safety Eyelet Included
Supplied with 24-inch galvanized steel tile bridge rails, a C-ring reinforcement plate, and a rear seismic safety cable eyelet for code-compliant commercial drop-ceiling installations.
Specifications
| Speaker Type | 8-Inch 70-Volt High-Output Commercial In-Ceiling Speaker with Backcan |
| Packaging | Single (1 Speaker Included) |
| Enclosure Type | Plenum-Rated Heavy-Gauge Steel Backcan Enclosure |
| Woofer Driver | 8-Inch Polypropylene Cone with Rubber Surround |
| Tweeter Driver | 1-Inch PEI Dome Tweeter |
| 70V Transformer Taps | 50W, 25W, 12.5W, 6.25W |
| 100V Transformer Taps | 50W, 25W, 12.5W |
| 8-Ohm Bypass Power Handling | 80 Watts RMS (160 Watts Peak) |
| Frequency Response | 45Hz - 20kHz (+/- 3dB) |
| Sensitivity (1W/1m) | 90 dB |
| Mounting Hardware | Includes 24-Inch Tile Bridge Support Rails, C-Ring, and Seismic Eyelet |
| Cutout Dimensions | 10.0 Inches (254 mm) Diameter |
| Overall Dimensions | 11.75 Inches (298 mm) Diameter x 7.5 Inches (190 mm) Depth |
| Mounting Depth | 7.5 Inches (190 mm) |
| Unit Weight | 11.5 lbs (5.2 kg) |
In The Box Contents
- 1x OSD ICE830ST 8-Inch 70-Volt Commercial In-Ceiling Speaker with Integrated Backcan
- 1x Paintable White Steel Mesh Grille
- 2x 24-Inch Galvanized Steel Tile Bridge Rails
- 1x C-Ring Reinforcement Support Plate
- 1x Detailed Commercial Installation & Transformer Tap Guide
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