The Martin CDD5W is a 100w 8 ohm two-way passive micro speaker designed for discreet positioning in architectural installations - including bars, museums, foyers, concourses, exhibition centres and HoW. It features a unique, patent-pending 5 inch (125mm) LF/0.7 inch (19mm) HF Coaxial Differential Dispersion driver in a rigid ABS moulded enclosure and is supplied with a dedicated omni-directional mounting bracket. Features : Ultra-compact, CDD passive two-way system Coaxial Differential Dispersion technology Elegant ABS moulded enclosure User-rotatable coaxial drive unit Vertical and horizontal mounting options Screw-free perforated steel grille 8O nominal impedance Discreet mounting accessories Black or white standard colour options 70V/100V line transformer option