Bogen 2 pack of ceiling speakers- 95Hz - 20kHz Frequency response- 94dB SPL @ 1W / 1m- 100 Degree dispersion @ 2kHz (6dB down)- Treated paper cone- 8 in. Main cone with secondary high frequency cone- 10oz Magnet weight- Connection via wire nuts- Off-white finish- Back can- Recessed volume control- Speaker assembly will fit into 2 ft. x 2 ft. and 2 ft. x 4 ft. ceiling tiles - CSD2x2VR