ITC T-105UN 6W Ceiling Speaker, Power taps @100V: 1.5W/3W/6W, Power taps @70V: 0.75W/1.5W/3W, SPL(1W/1M): 92dB±3dB Frequency response: 130-18KHz, Speaker driver: 5"×1.

ITC T-106 6 Inch 9W Ceiling Speaker, Power taps @100V: 3W/6W/9W, @70V: 1.5W/3W/4.5W, Impedance: Black: Com Red: 3.3KΩ; Green : 1.7KΩ White: 1.1KΩ, SPL(1W/1M): 92dB, Frequency response (-10dB): 110-18KHz.

ITC T-105U Ceiling Speaker (1.5W-3W-6W), Power taps @100V: 1.5W/3W/6W, @70V: 0.75W/1.5W/3W, SPL(1W/1M): 89dB, Frequency response (-10dB): 80-18KHz, Speaker driver: 5"×1, Cutout size: 145mm, Dimensions: 172×80mm, Weight: 0.75Kg.

ITC T-106U 6" Ceiling Speaker (3W-6W-9W), Power taps @100V: 3W/6W/9W, @70V: 1.5W/3W/4.5W, SPL(1W/1M): 91dB, Max. SPL (Rated W/1M): 101dB, Frequency response (-10dB): 80-18KHz, Speaker driver: 6"×1, Cutout size: 170mm, iron mesh cover.

ITC T-206P Ceiling Speaker (3.75W-7.5W-15W-30W), Input: 100V/70V/8Ω, Speaker unit: 5"×1 1.5"×1, Sensitivity (1W/1M): 89dB, Maximum sensitivity (W/1M): 106dB, Frequency response (-10dB): 100-18KHz, plastic housing + iron mesh cover.

ITC T-208P Ceiling Speaker (6W-12W-25W-50W), Input: 100V/70V/8Ω, Sensitivity (1W/1M): 90dB, Maximum sensitivity (W/1M): 107dB, Frequency response (-10dB): 90-20KHz, Speaker unit: 6.5"×1 1.5"×1, Plastic Housing + Iron Mesh Cover.