OSD ACE800ST 8″ Trimless 70V in-Ceiling Speaker 20W, 10W

OSD ACE800ST 8″ Trimless 70V in-Ceiling Speaker 20W, 10W, 5W, 2.5W / 8Ohm 100W (Single)
- High-Performance 8-Inch Woofer – Experience crystal-clear audio with an 8-inch polypropylene woofer delivering powerful sound for commercial spaces like offices, retail stores, and restaurants.
- Flexible 70V Transformer Settings – Choose from 32W, 16W, 8W, and 4W tap settings to match various amplifier configurations and optimize audio output in multi-speaker setups
- Sleek Trimless Design – The low-profile grille seamlessly blends into ceilings, providing a modern and professional look while ensuring durability and lasting performance.
- Wide Sound Dispersion – Designed for commercial installations, this speaker ensures even sound coverage across large rooms, reducing audio dead zones and enhancing customer experiences.
- Easy Installation for Installers – Built-in dog-ear brackets and a paintable grille simplify installation for both professional and DIY setups, making it perfect for new or retrofit projects.
SKU: | B0DTS9WT4W |
Weight: | 5 pounds |
Dimensions: | 4.41"D x 10.79"W x 10.79"H |
Model: | ACE800ST |
Pack Quantity: | 1 |
Manufacture: | OSD Audio |
Quantity: | 1 |
Product Description


OSD 8″ Trimless Ceiling Speaker w/ 70V Tap, ACE800ST
Introducing the ACE800ST, an exceptional 8-inch trimless in-ceiling speaker, making it a go-to choice for commercial applications. With a remarkable power handling capability of up to 120W, this 70V/8 Ohm speaker excels at broadcasting sound across vast distances while maintaining minimal power loss and preserving sound quality. Its seamless integration into ceilings makes it the perfect ceiling speaker for a wide range of venues, including restaurants, malls, museums, and other large venues.
OSD Audio 70V Commercial Ceiling Speakers
Our 70V in-ceiling commercial speakers are engineered to deliver exceptional audio performance in a variety of commercial settings. Their sleek, unobtrusive design blends seamlessly into any indoor environment, providing sound clarity and a professional appearance. The 70V function enables easy installation in large spaces and daisy-chaining for extensive coverage, making them ideal for background music, public announcements, and other audio solutions in any business setting.
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High Clarity Sound
Our ACE800ST features a 8″ driver, delivering high-quality audio and capturing a wide range of frequencies for a rich and deep sound experience.
OSD Audio 70V Commercial Ceiling Speakers
![]() ACE800ST | ![]() ACE600ST | ![]() ICE630ST | ![]() ICE830ST | ![]() OSD-C1070V | ![]() OSD-C1090VK | |
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Customer Reviews | 4.4 out of 5 stars104 | 4.4 out of 5 stars104 | 4.4 out of 5 stars104 | 5.0 out of 5 stars1 | 4.4 out of 5 stars104 | 4.4 out of 5 stars104 |
Price | $108.99 | $76.29 | $108.99 | $141.69 | $43.59 | $54.49 |
Speaker Type | In-Ceiling | In-Ceiling | In-Ceiling w/ Back Can | In-Ceiling w/ Back Can | In-Ceiling | In-Ceiling w/ Volume Control |
Woofer | 8″ Polypropylene Cone | 6.5″ Polypropylene Cone | 6.5″ Polypropylene Cone | 8″ Polypropylene Cone | 8″ Dual Cone | 8″ Dual Cone |
Connectivity | Wired | Wired | Wired | Wired | Wired | Wired |
Power Handling | 120W | 100W | 100W | 60W | 20W | 20W |
Frequency Response | 35Hz – 20kHz | 50Hz – 20kHz | 60Hz – 22kHz | 45Hz – 22kHz | 40Hz – 20kHz | 40Hz – 20kHz |
Sensitivity & Impedance | 89 dB, 8 Ohms/ 70V | 89 dB, 8 Ohms/ 70V | 88 dB, 8 Ohms/ 70V | 89 dB, 8 Ohms/ 70V | 90 dB, 8 Ohms/ 70V | 90 dB, 8 Ohms/ 70V |
Wattage Taps | 32W, 16W, 8W, 4W | 20W, 10W, 5W, 2.5W | 30W, 15W, 7.5W | 30W, 15W, 7.5W | 5W, 2.5W, 1.25W, 0.63W & 0.32W | 5W, 2.5W, 1.25W, 0.63W & 0.32W |
Transformer | Dual 70V/25V | Dual 70V/25V | Dual 70V/8Ohm | Dual 70V/8Ohm | Dual 70V/25V | Dual 70V/25V |
Dimensions (Diameter x Depth) | 10.75″ x 4.1″ | 8.86″ x 3.54″ | 9.5″ x 5.5″ | 11″ x 7″ | 12.91″ x 3.15″ | 12.91″ x 3.15″ |
Cutout Diameter | 9.3″ | 7.80″ | 7.875″ | 9.75″ | 10.24″ | 10.24″ |
Weight | 5 Lbs | 4 Lbs | 5 Lbs | 6 Lbs | 4 Lbs | 4 Lbs |
Sold As | Single | Single | Single | Single | Single | Single |