Why?? Box subs tend to be able to tuck tightly into a corner (you still need a few inches for the rear firing ports to breathe) and are naturally much shorter to boot.

• 为什么？方形炮让你可以把它紧紧的塞进一个角落（需要在导向孔一面留出几英寸以供低音炮呼吸），而且更矮。