The HD 310/T are compact, lightweight and watertight horn speakers. They are designed to provide high efficiency and characterized by the high intelligibility of the reproduced sound with low distortion. The built-in line transformer makes it possible to connect the horn loudspeaker to constant voltage lines, and select the demnlievered power by means of a rotary dial on the rear cover.
Built-in line transformer with multitap power selector on rear cover
Hi-pass filter for protecting driver against out-of-range low-freq
Aluminum flare with UV-stabilized autoextinguishing UL-HB ABS rear cover