passive subwoofer

基本解释

The MX-F18B is a passive, single 18" folded horn subwoofer in a surprisingly portable and easily moveable enclosure."
的MX - F18B是被动的，单18“折叠在惊人的便携和可移动的外壳很容易重低音喇叭。
The EVP-18 SUB is a passive bass reflex subwoofer in a lightweight and compact rectangular enclosure designed for use in portable live sound reinforcement and mobile DJ applications.
的执行副总裁，18分是一个被动低音这款小巧轻便的矩形适用于便携式现场扩音和移动的DJ应用设计的封闭反射低音炮。
The EVP-15 SUB is a passive bass reflex subwoofer in a lightweight and compact rectangular enclosure designed for use in portable live sound reinforcement and mobile DJ applications.
的执行副总裁，15分是一个被动低音这款小巧轻便的矩形适用于便携式现场扩音和移动的DJ应用设计的封闭反射低音炮。

The boomBOTTLE's incredible bass comes from the large passive subwoofer that is housed in a tuned and ported enclosure for optimum performance.
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The integrated passive subwoofer features a ported enclosure for enhance bass performance. boomBOTTLE's built-in rechargeable lithium-ion battery provides up to 10 hours of continuous playback on a single charge.
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The long-throw 4-inch subwoofer and passive radiator are specifically designed for punchy bass reproduction.
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