15/12 inch power dual full range loudspeaker with q-centric waveguide/low frequency driver for portable and installation applications.
12/8/6/5 inch dual concentric full range loudspeaker with low frequency driver for
portable and installation application (9 pages)
8" full range ceiling loudspeaker with dual concentric driver, 6" full range ceiling loudspeaker with dual concentric or ict driver, 5" full range ceiling loudspeaker with dual concentric or ict driver, 4" full range ceiling loudspeaker with dual concentr (69 pages)