在2080功能低音反射通过双端口提供最佳的低频率调谐管调整，提高从这个高品质的外壳已经大幅低音输出。
The 2080 features bass-reflex tuning through twin port tubes providing optimal low-frequency tuning, enhancing the already substantial bass output from this high quality enclosure.
麦克风、电贝司(低音吉它)、和电子音响设备，特殊的也有低电平输出。
Microphones, bass guitars, and electric - acoustic instruments, also typically have low - level outputs.
双重低音炮输出可使多个低音扬声器连接到同一个扩音器上，而不需要依靠抽头、接线螺帽或专用连接器。
Dual subwoofer outputs allow multiple woofers to be connected to the same amplifier without having to resort to pigtails, wire nuts, or specialized connectors.
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