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OBT 811 ceiling speaker is the top choice for projects requiring high quality sound while still ensuring aesthetic and neat design elements. With a compact ceiling-mounted structure, luxurious white color and flexible capacity, this product is suitable for everything from family spaces to professional public address systems.
In the context of increasingly sophisticated sound needs, OBT 811 not only meets the criteria of clear sound but also has the ability to operate stably for a long time, helping users feel secure about both performance and product life. The following article will help you learn in detail about technical specifications, installation advantages, practical applications, comparisons and reviews from users to have the most comprehensive view.
OBT 811 has outstanding technical configuration in the ceiling speaker segment. The product operates flexibly with both 100V signal lines and low impedance 8Ω, allowing easy integration with many different sound systems. The flexible rated power level from 5W to 40W and peak power reaching 80W allows users to customize according to the area and purpose of use. With a wide frequency response of 50Hz - 20kHz and a sensitivity of 88 ± 2dB, OBT 811 clearly demonstrates its superiority in reproducing full-range sound. Standard dimensions (270 x 185 mm) and a hole diameter of 240 mm make the installation process quick and accurate. This is a speaker line that shows serious investment in technology, worthy of the expectations of professional users.
The highlight of the OBT 811 speaker is the delicate white mesh surface painted with electrostatic paint, helping the speaker easily blend with the ceiling without causing a rough feeling. The soft rounded design, sealed surface, dustproof and moisture-proof, makes the OBT 811 not only suitable for plaster ceilings in the living room but can also be installed in humid areas such as hallways and kitchens. The reasonable speaker size, 3.1kg weight helps to fix firmly without affecting the ceiling. The vertical installation design and convenient spring clamping mechanism are also big pluses, helping technicians or ordinary users to easily operate with just a few basic tools.
The OBT 811 speaker stands out with its stable sound quality and high detail, even when operating at low power. With a sensitivity of 88 dB, the product can produce a loud enough volume without the need for a high-power amplifier. The frequency response from 50Hz to 20kHz helps the OBT 811 perform well in the bass - mid - treble ranges. When used to play background music in spaces such as cafes, offices or service centers, the OBT 811 provides a gentle but clear listening experience, without muffled sound or distortion when the volume is turned up high. With an even sound distribution mechanism, the speaker is suitable for both single use or multi-zone clustering.
The installation of OBT 811 does not require high technical skills, just drill the correct size 240mm hole, connect the audio wire and fix the speaker with the integrated spring clip. Thanks to its compatibility with both 100V high voltage and 8Ω low impedance systems, the product can be used in public address systems for buildings, offices, showrooms, restaurants or compact home audio systems. The simple, clear wire design and the speaker face with power symbols help technicians install quickly. In addition, the 5/10/20/40W power modes are built-in via a load-sharing transformer, allowing easy adjustment according to space and purpose.
The OBT 811 ceiling speaker is widely used in models such as luxury apartments, villas, company offices, eateries, restaurants, cafes and even spas. With a design that does not expose wires, evenly spreads sound and can be installed in the wall, the speaker is suitable for projects that require aesthetics and minimalist interior design. Especially, in spaces that require relaxation such as spas or restaurants, the speaker helps create a gentle, soothing background sound. At the same time, in the internal announcement sound system, the OBT 811 can be integrated with a paging microphone and a zone divider for clear and effective announcements.
Compared to conventional ceiling speakers, the OBT 811 is superior in power, sensitivity and full-range sound reproduction. While many products on the market only provide 20W of power and a sensitivity of less than 86dB, the OBT 811 provides a flexible power level of up to 40W with a sensitivity of 88dB - enough to create detailed sound in a large space. The speaker design is also easier to install thanks to the spring clamp system and easy-to-remove mesh surface. Another notable point is the superior finishing quality compared to conventional ceiling speakers, helping to minimize rust and discoloration after a long time of use.
Yes. Thanks to the adjustable power from 5W to 40W and sensitivity of 88dB, OBT 811 works effectively even in small spaces under 20m². You only need to install 1-2 speakers and combine them with karaoke amplifier Small is already have a complete background sound system.
Fully compatible. Ceiling speakers Supports 100V input, very suitable for high voltage PA systems such as in offices, showrooms, supermarkets or schools. Matching with zone amplifiers and paging microphones is extremely easy.
The average user can completely install it themselves if they have a drill, measuring tape and basic understanding of electricity. With a standard 240mm hole size and a smart spring clamp system, the process of mounting the speaker on the plaster ceiling is quick, without the need for complicated tools.
Can be used in semi-humid spaces such as kitchens, hallways, and lobbies, as long as they are not in direct contact with water. The electrostatically painted steel mesh surface is effective against moisture, rust, and dust. However, it should not be installed in areas exposed to rain or direct steam.
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