The ER-3215S is a hand grip type 15 W megaphone with a siren and a removable microphone. It can be used as a shoulder-type megaphone when the microphone is detached. The newly developed polyimide diaphragm is employed to ensure high sound quality.
Integrated with a resin panel and speaker frame, the PC-648R is the ceiling mount speaker with a metal attached. It features spring clamp mechanism for easy speaker mounting to the ceiling. The input impedance can be easily changed by changing the tap position of the transformer.