JBL CONTROL-47LP Coaxial Low-Profile Ceiling Speakers (Pair, White) - 6.5inSold as a pair, the white JBL Control 47LP is a passive 6. 5" coaxial low profile ceiling loudspeaker with a multi tap transformer designed for voice amplification and foreground music reproduction in a variety of venues ranging from retail stores to restaurants. The 60W transformer allows the Control 47LP to be driven by 70V, 100V, or 8 Ohm power amplifiers (available separately). Each Control 47LP is equipped with a durable 6. 5" polypropylene