Selling 4 Tannoy CMS-501 DC PI Ceiling Speakers. Four speakers, sell $50 each. More detail at this link: https://coax.pin2.me/speaker/CMS_501_DC/CMS_501_DC-Product_Info.pdf Features: 130mm (5.00") Point Source Dual Concentric Driver • High Power & High Sensitivity with extended frequency response and very low distortion • Wide, controlled constant directivity dispertion for optimum coverage. • Does not suffer from massive loss of energy in the vertical plane at crossover caused by two way discreet designs • UV/weather resistant UL94V-0 ABS front baffle • Blind Mount & Pre Install options • Dynamic High Frequency Protection • Easily accessible tapping switch on front baffle. • Low insertion loss 30w line transformer • Ferrofluid cooled Neodymium HF • Packaged with tile rails and C-ring for quick & easy installation and simple stocking logistics