F系列箱体使用加厚防水黑金刚砂耐磨树脂漆，由18mm厚的白桦木夹板组成，箱体前方由1.5mm厚金属铁网进行保护，并配备标准支架插孔及符合人体工学的把手，令搬运和安装显得格外容易，箱体还配备12个M8吊装螺栓，保证吊装的安全性，并可以任意调节音箱吊装方位。不对称箱体设计可以令F系列作舞台反送，内部单元是经时间老化实验，分频网络带电子保护电路，可以保证扬声器在恶劣的环境下长时间轻松自如的稳定工作。

F series cabinet looses waterproof black emery wear-resisting lacquers, by 18mm thick composed, cabinet dock-green splint by 1.5 mm thick metal ahead of protection, and iron network equipped with standard bracket jacks and ergonomic handle, make handling and installation, cabinet appears easily is equipped with 12 M8 lifting bolts, ensure the safety and lifting can adjust arbitrarily speakers hoisting position. Asymmetric cabinet design can make F series against send, make stage by internal unit is time aging experiment, with separate frequency network electronic protection circuit, can guarantee the speaker in poor conditions to long time relaxing stable job.