QS15 ultra-low frequency system is equipped with a 15-inch bass, high energy drive, a well-designed to accommodate the logarithmic horn loaded box in the.

QS15超低频系统配备一个15英寸低音，高能量驱动器容纳在一个良好设计的对数式号筒装载箱体中。

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After being encouraged by the spruce horn experience, I built a couple of monitor speakers, a guitar combo amplifier and a bass-guitar box with an ALTEC 416b driver.

在被云杉号角经验的鼓舞，我建立了一个监听音箱夫妇，吉他组合放大器和一个带有奥特416 B驱动低音吉他盒。

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High-frequency horn can rotate, making multi-level point of view of the box to prevent both can be placed vertically.

高频号角可以转动，使得多角度的箱体既能水平防止也可以垂直放置。

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The lights went down again, the horn player rebooted, and a spotlight revealed Mayweather and Cotto standing in opposing box seats, like a boxing version of Statler and Waldorf from the Muppets.

WSJ: Jason Gay: Plenty of Pomp, Not as Much Circumstance