Bosch LBC 3951/12 Splashproof 6W Ceiling Speaker — Clear Audio for Humid & Demanding Spaces
The Bosch LBC 3951/12 Splashproof Ceiling Speaker is engineered for locations where consistent, intelligible sound must coexist with moisture, steam, or high humidity. With its 6W output, IPx4 front protection, and a wide dispersion angle, this ceiling speaker delivers smooth speech clarity and balanced background music in areas where ordinary speakers fail.
Its low-profile, neutral design blends seamlessly into ceilings, while the flush-mount structure ensures fast installation with minimal effort. Whether installed in bathrooms, saunas, atriums, washrooms, poolside areas, corridors, or commercial facilities, the LBC 3951/12 provides dependable, long-term performance backed by Bosch’s proven engineering.
Key Features
- 6W power rating with selectable 6 / 3 / 1.5 / 0.75W tappings
- IPx4 splash-proof front for humid and moisture-rich environments
- Wide 170° dispersion reduces the number of speakers needed per area.
- Compact, discreet design blends with modern interiors
- Quick installation with built-in mounting clips
- Clear speech & smooth music performance across public spaces
- 100V line operation for commercial audio systems
Specifications
- Rated Power: 6W
- Power Tappings: 6W / 3W / 1.5W / 0.75W
- Max Power: 9W
- Voltage: 100V line
- Frequency Range: 60Hz – 18kHz
- SPL (6W / 1W, 1kHz, 1m): 96dB / 88dB
- Dispersion: 170° (1kHz), 80° (4kHz)
- Driver Size: 4” (101.6 mm)
- Overall Diameter: 160mm
- Cut-out: 145mm
- Depth: 95mm
- Weight: 640g
- Colour: White (RAL 9010)
- Connector: 2-pole push-in terminal
- Water Protection: IPx4 (front)
- Operating Temperature: -25°C to +55°C
Who This Speaker Is Perfect For
- Hotels, spas, saunas, pools, and wellness centres need splash-resistant audio.
- Bathrooms, washrooms, corridors, and atriums in commercial buildings
- Retail outlets and hospitality venues requiring wide-coverage background audio
- Public facilities and large venues need reliable paging clarity.
- Architects and installers seeking discreet ceiling speakers for humid zones
Frequently Asked Questions
Is the Bosch LBC 3951/12 suitable for humid or wet areas?
Yes. Its IPx4 splash-proof front protects the driver from moisture, making it ideal for saunas, washrooms, steam areas, pools, and other humid locations.
Does the wide dispersion reduce the number of speakers required?
Absolutely. With its 170° opening angle, a single unit covers a larger zone, lowering installation costs while maintaining even audio distribution.
Is installation difficult?
Installation is simple, thanks to integrated mounting clips that allow for quick, flush-mount placement without the need for special tools.
Can this speaker be used for both music and speech?
Yes. Its frequency response supports clear voice paging and smooth background music in retail, hospitality, and public spaces.
Is this compatible with commercial 100V systems?
Yes. The 100V line tappings allow seamless integration with standard distributed audio systems.
How durable is the speaker in the long term?
It is built for temperature extremes (-25°C to +55°C) and humid environments, providing reliable operation year after year.
What size cut-out is required?
A 145mm mounting cut-out is required for proper installation.
Can this be installed in ceilings with architectural limitations?
Yes. The compact depth of 95mm allows placement in shallow ceiling cavities and restricted spaces.
