Power Box 一套由两个扬声器组成：其中一个为有源音箱，内置立体声放大器，连接另一个无源音箱。由一个5.25英寸的低音喇叭和一个1英寸的高音喇叭组成，可音调调节，带立体声/单声道选择开关和U型安装支架。非常适用于教室广播。
Power Box 51 is a pair of two way loudspeakers consisting of loudspeaker with built–in stereo amplifier and second non powered loudspeaker ready to connect to active by Euroblock connector. High efficiency 2 x 20 W D class power amplifier. 5” woofer and 1” tweeter. U-bracket for mounting on the wall or ceiling.
Power Box 61 is a pair of two way loudspeakers consisting of loudspeaker with built–in stereo amplifier and second non powered loudspeaker ready to connect to active by Euroblock connector. High efficiency 2 x 30 W D class power amplifier. 6” woofer and 1” tweeter. U-bracket for mounting on the wall or ceiling.
Power Box 5 一套由两个扬声器组成：其中一个为有源音箱，内置2x20W立体声放大器，连接另一个无源音箱。低音喇叭为5.25英寸，高音喇叭为1英寸，RCA输入接口与3.5mm的TRS插座并联，音调可调节，带立体声/单声道选择开关和U型安装支架，非常适用于教室广播。
