BS633A 5cm Compact PA Speaker 100V/6W ABS WhiteThe BS 633A is wall mount speaker made of ABS resin and can be hooked or mounted directly on the wall. The push in type input terminal makes cable connections easy and allows bridge wiring. The input impedance can be easily changed by changing the tap position of the transformer from the rear side of the speaker. Product Features Compact and unobtrusive design Quick and easy installation High cost effective Ideally suited for BGM and announcements Can