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Bosch LC3-UC06-LZ Ceiling Speaker is a premium integrated audio product designed specifically for commercial spaces, offices and public areas. With a power of 6/9W and a frequency range of 90Hz – 20kHz, this device allows for clear, consistent and realistic sound reproduction.
This is an ideal solution for background music and internal announcement systems, thanks to its ability to spread sound widely with a 180° coverage angle at 1kHz. The following article will delve into each aspect such as: design, performance, connectivity features, durability, practical applications and user reviews - helping you have a comprehensive view to choose the right product.
Bosch LC3-UC06-LZ has a slim, round design with a diameter of 180mm and a depth of only 59mm - ideal for recessed installation in modern constructions such as plasterboard ceilings, aluminum ceilings or suspended ceilings. The light weight of only 337g helps reduce the load on the ceiling surface, while increasing flexibility in construction.
With a delicate white shell, the speaker easily blends into the interior space without causing any disharmony. The sturdy manufacturing materials help the product withstand force well and be durable in long-term use. The installation details are precisely finished, accompanied by a specialized screw system that ensures a firm attachment to the ceiling without the need for complicated auxiliary equipment.
With a rated power of 6W and a maximum power of 9W, the Bosch LC3-UC06-LZ speaker produces a sound pressure level of up to 94dB, enough to cover a space of 20-40m². The wide operating frequency range from 90Hz to 20kHz allows the speaker to reproduce both low and high ranges well, from melodious background music to clear, sharp speech.
In particular, the 180° negative coverage angle at 1kHz ensures that the sound is evenly distributed, without loss at the edges. Thanks to that, listeners at any location in the space can feel the sound faithfully, without distortion or loss of range. This is a very important factor for spaces that require wide coverage such as waiting rooms, corridors, showrooms, etc.
Bosch LC3-UC06-LZ supports connection via 150mm long flying cable, comes with 2-pole screw-type connector - a popular standard in professional sound system installation.
In particular, the speaker operates flexibly with both low impedance (4 Ohm) and low voltage (4,9V) systems, allowing users to use it in both conventional amplifier systems and public sound systems using 100V transformers.
Thanks to this versatility, the device can be easily integrated into existing systems without changing the electrical architecture or purchasing special accessories. This not only saves investment costs but also helps optimize operational performance and future maintenance.
With its in-ceiling design, compact size and clear sound reproduction, the LC3-UC06-LZ is especially suitable for environments that require evenly dispersed and non-discordant sound. In fact, this product is often used in spaces such as offices, reception desks, meeting rooms, restaurants, cafes, retail stores and even high-end apartment lobbies.
When used for background music, the speaker maintains consistent sound quality without overpowering conversation. When used for internal announcements, the clarity of the sound and the ability to play back simultaneously across multiple devices ensure that information is delivered accurately and without interference. This flexibility makes the LC3-UC06-LZ a reliable audio solution for a variety of space models.
Designed to operate durably in environments with light humidity and dust, the LC3-UC06-LZ meets IP54 protection standards – for protection against dust and water splashes from all directions.
This allows the speaker to operate stably for a long time even when installed in areas with harsh environmental conditions such as kitchens, bathrooms (closed ceilings), covered outdoor corridors or areas near doors.
In addition, the speaker enclosure is made of non-corrosive and easy-to-clean materials, increasing its service life and reducing maintenance costs. This feature is especially suitable for public works, where audio equipment is required to maintain high performance for a long time and is less affected by external influences.
Ceiling speakers The LC3-UC06-LZ is dustproof and waterproof to IP54 standards, allowing installation in semi-outdoor areas such as corridors, covered porches or places with high humidity. However, the product is not designed to be exposed to direct rain or strong sunlight for long periods of time, so you should prioritize installation locations with roofs or stable environmental conditions to ensure long-term durability.
The speaker supports 4 Ohm impedance and low operating voltage (4,9V), so it can be connected to most karaoke amplifier civil or professional with suitable power (about 6-15W/channel). Especially when used in a 100V public sound system, you need to ensure the system has a suitable transformer or use an impedance regulator to ensure safety and efficiency.
With a capacity of 6W and a wide sound coverage angle of 180°, you usually need to install about 3-4 LC3-UC06-LZ speakers to ensure even sound distribution and no dead spots in a room of 50m². The ideal installation distance between speakers is 3-4 meters, depending on the ceiling height and volume requirements.
The Bosch LC3-UC06-LZ speaker is designed for both background music and announcement purposes. The frequency range from 90Hz to 20kHz allows for good handling of audio signals from voices to light music, orchestral music, relaxing music or jazz. However, the product is not suitable for listening to high-quality music with deep bass like karaoke speakers or Hi-Fi music speakers.
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