Bosch Lhm0606 Speaker

Suitable for speech and music reproduction
Flush-mounting in ceiling cavity
Easy to install
Simple power setting
Unobtrusive in virtually all interiors
Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)
Storage temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%