The audio interface must support your amplifier and speaker setup.

音频接口必须支持您的扩音器和扬声器设置。

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We built the above amplifier signal to improve the peak to peak audio signal.

我们建立的上述信号放大器，以改善峰峰值的音频信号。

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For most music, Schindall explained, a high-end audio system with big speakers might do just fine with a 1-watt amplifier.

Schindall解释说，对大多数音乐来说，带有大功率扬声器的高端音频系统用1瓦的扩音器就可以了。

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The Windows Phone 8X by HTC featuring Beats Audio also offers a unique audio amplifier powering the 3.5mm audio jack and the speaker, boosting the audio signal for even better sound no matter if you're listening to music, playing a game or watching a video.

ENGADGET: Windows Phone 8X by HTC: 4.3-inch 720p display, LTE, dual-core S4, available this November

The device has a unique audio amplifier that powers the 3.5mm audio jack and speaker to provide improved sound for music, video and even gaming.

ENGADGET: AT&T prices Lumia 920 and 8GB HTC 8X at $100, Lumia 820 at $50, Nokias due on Friday

After recently having presented its first digital headphone amplifier, the audio specialist Sennheiser announces at IFA 2012 that it will also launch an analogue version of the device, available in the U.S. later this fall.

ENGADGET: Sennheiser unveils HDVA 600 analog headphone amp, asks for $1,600