bass reflex enclosure的用法和样例：
- The design principle is the same as household reflex enclosure.
- The subwoofer is equipped with two bass reflex ports.
- The bass plugs are mounted in the bass reflex ports.
- The subwoofer is a bass reflex loaded design, with a side mounted port.
- By using the supplied bass plugs in the bass reflex ports, you can alter the sonic characteristics of the woofer.