Control 24CT in Black. 4” two-way vented ceiling speaker, 80 Hz – 20 kHz, 86 dB sensitivity, 80W program and 40W pink noise power, for use on a 70.7V or 100V distributed line, switchable taps at 30W, 15W and 7.5W (plus 37W at 70.7V only, 130° coverage, packaged with backcan, grille, support plate and tile rails. (priced as each, sold in pairs).