Bosch 4 Inch In-Ceiling Speaker is a compact, 6 W loudspeaker with a perforated metal grille. It has excellent audio performance and is easy to install with its integral mounting clips. The loudspeaker is IPx4 water protected from the front so it can be installed in humid environments. (Sold Individually)
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The LBC 3951/11 has a perforated metal grille with a plastic surround, finished in an attractive off-white RAL color. The unobtrusive styling of this loudspeaker complements today’s interior lighting.
The loudspeaker feature a very wide opening angle, which means fewer units are required to cover a given area. The wide frequency range means better speech and music reproduction. The unit is supplied with a 100 V matching transformer with taps on the primary winding for full-power, half-power, quarter-power and eighth-power radiation.
The loudspeaker (with special treated paper cone), is IPx4 water protected from the front and can be applied in humidity environments for example bathrooms, saunas, atriums and swimming pool areas.
|Maximum power||9 W|
|Rated power||6 / 3 / 1.5 / 0.75 W|
|Sound pressure levelat 6 W / 1 W (1 kHz, 1 m)||96 dB / 88 dB (SPL)|
|Effective frequency range (-10 dB)||60 Hz to 18 kHz|
|Rated voltage||100 V|
|Rated impedance||1667 ohm|
|Connector||2-pole push-in terminal block|
|Diameter||160 mm (6.30 inch)|
|Maximum depth||95 mm (3.74 inch)|
|Ceiling thickness||9 to 25 mm (0.35 to 0.98 inch)|
|Mounting cut-out||145 mm (5.71 inch)|
|Speaker diameter||101.6 mm (4 in)|
|Weight||690 g (1.52 lb)|
|Color||White (RAL 9010)|
|Magnet weight||101 g (3.57 oz)|
|Operating temperature||-25 ºC to +55 ºC (-13 ºF to +131 ºF)|
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