15/12" power dual full range loudspeaker with q-centric waveguide/low frequency driver for portable and installation applications, 12/8/6/5" dual concentric full range loudspeaker with low frequency driver for portable and installation applications (18 pages)
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)