 4" Coaxial speaker with horn loaded Ti coated tweeter - complete with back can enclosure, tile rails, and mounting ring - for 70v/100v or 8-ohm operation. Taps at 30, 15, 7.5, 3.75, and 1.88 watts (pair) Black -4" coaxial compact 2-way ceiling speaker with extended frequency response and full installation mounting kit for offices, waiting rooms and business facilities -Suitable for background music and paging/announcement applications -Waveguide coupled titanium tweeter for smooth high frequency dispersion -Full bandwidth overload protection circuitry; protects network, woofer and tweeter drivers from excessive power levels -Integrated low-loss line-matching transformer for 70V/100V or 8 Ohm bypass operation -Front baffle wattage selector switch allows for 1.88(70V only)/3.75/7.5/15/30W delivery to loudspeaker system when using 70V/100V lines -Integrated ported enclosure for optimized bass response |