What's In The Box: 4x Klipsch R-1650-C In-Ceiling Speaker --- The R-1650-C In-Ceiling Speaker from Klipsch is a two way 6.5" polymer-cone woofer with a large motor structure, loaded with a coaxially mounted 1" polymer-dome tweeter. The R-1650-C features a frequency response of 57 to 20,000 Hz and has a power handling of 35 watts. The speaker's mounting system simplifies installation while its paintable aluminum grille provides added rust protection in moisture-prone areas such as bathrooms and kitchens. The speakers can be set up with the optionally purchased IK-650-C installation kit or it can be used in conjunction with the ME-650-C fire-rated enclosure, also purchased separately.