The No 1 problem to establish cinema in crowded area is to maximize the small space and improve benefit. The product depth 260mm (FC3215H depth 290mm) is customized to maximize space. The effective distance (after screen) >260mm. One row of audiences can be added in the same space. The MF/HF horns for the flat enclosure solve the problem of weak directivity and strong FO but simultaneously keep the low distortion and high efficiency. The woofer and enclosure overcome the problem of bad bass and standing wave. The unique diamond contour and customized color suit for different decoration. HF unit and LF unit are arranged horizontally to suit for low space.