Atlas Sound's UKT70-2C-U161-8 are 8" diameter dual voice coil loudspeakers equipped with dual (whizzer) cone and 10 oz. ceramic magnet to deliver extended frequency response with high intelligibility and minimal distortion. Cost-effective units are complete with fire-retardant moisture-proof cones, dual factory-mounted 70.7V transformers, 6" color-coded leads, DC blocking capacitors and a 161-8 baffle. To comply with UL requirements, loudspeaker packages must be used with UL-approved enclosures.