设计
　　这款A 3CEN.4的尺寸，大约和两个A 320平放首尾相连一样长，被特殊设计和A 320、A340一起使用。这种新型扁平设计使A 3CEN.4中置和市场上很多新型超薄屏幕完美匹配。

技术
　　尽管A 3CEN.4音箱体积很小，但它仍是一个两分频系统……一只低音单元和一只高音单元……这使它在重现中频和高频时保真度很高。其结果便是声音听上去十分自然——这是作为中置音箱在电影里重现对话的关键。

简易使用
　　由于独创的支架，这款音箱可以挂在墙上。如果被放置在书架上或电视机顶部，这个支架可以作为脚架使用。这个安装支架也能使音箱向上或向下，所以它无论是放在屏幕上还是屏幕下，都能被指向聆听位置。
技术
电子过载保护
　　一只电子PTC电阻在扬声器出现过载时自动限制输入扬声器的功率。当音量再次调小时，电阻冷却下来，声响又恢复到正常的电平。

Low-loss X-over
　　At Jamo, we design all our loudspeaker units in-house.This means individual units for exact purposes and units that complement each other perfectly, thus reducing the need for complex crossover filters with various compensation circuits. Limiting the number of components in the filter also reduces Its power consumption (an overly complex filter can easily consume 10 - 20% of the power supplied).The advantage of lowloss x-overs is clearer, cleaner sound reproduction, as well as lower distortion and higher sensitivity.
Magnetic shielding
　　Normally when placing a loudspeaker close to a TV, the magnets of the drive units will cause discolouration of the TV picture. Therefore centre channel speakers – which in order to achieve best possible coherence between picture and sound, need to be placed as close to the TV as possible –must feature shielded magnets to eliminate the disturbing magnetic radiation.