Special order item* 60W driver for indoor or outdoor applications in expansive and/or high ambient sound level areas, Features sound chamber, phasing plug and magnetic Structure components, built in varnish impregnated multi tap 70V line matching transformer, corrosion resistant terminal connections protected by transparent, impact resistant plastic cover, 100 Hz to 3.7 kHz, use with CJ46 Bia100 and Dr Series horns, 70V: 2.5, 5, 10, 209, 40 and 60W, 6.4" Dia x 6.9"H.