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1. The push-pull audio amplifier is designed to improve the sound quality of music.
推拉式音频放大器旨在提高音乐的音质。
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2. The push-pull audio amplifier is easy to use and can be used in various environments.
推拉式音频放大器易于使用，可以在各种环境中使用。
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3. The push-pull audio amplifier is a popular choice for those who want to listen to music while exercising.
推拉式音频放大器是那些想在锻炼时听音乐的人的热门选择。