Wishlist Quick view OWI OWI AMP-HD2SIC51 3 Source Integratable Amplified In Ceiling Speaker, 5… $237.51 The AMP-HD2SIC5 is a (3) Source Integratable amplified ceiling speaker with a transformer. It includes an electronic shunt to help conform to life safety NFPA72 regulations to be able to shut off... Add to Cart Add to Wishlist