Adjust sound amplification volume to an optimal level by changing the equalizer adjuster (4).

调整扩音货量一个最理想的水平，改变以往均衡器调节(4)。

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This means your sound system electronics will not have to provide as much gain or amplification in order to obtain a sufficient volume.

这就意味着电声音响系统将不用提供更多的增益或者放大器而得到足够的音量。

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The presence of a non-obtrusive means of sound amplification creates the possibility that the device could be used as a hearing aid for those with low level hearing loss.

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From the light but solid construction of the tablet's chassis, to its grippy molded rear -- which helps both for gripping the tablet without the controller attached and assists sound amplification when the device is laid down -- nothing about the device feels cheap.

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Tri-Amping - A technique commonly used in large-scale sound amplification for concerts, Tri-amping is the practice of connecting three audio amplifiers to a loudspeaker unit: one to power the bass driver (woofer), one to power the mid-range and the third to power the treble driver (tweeter).

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