Professional Amplifier Series 专业功放系列
Professional power amplifier 从事专业功放 ; 专业功率放大器
professional amplifier
专业的放大器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Rojazz audio brand of products, including Kara OK speaker, professional speaker, professional amplifier, and professional and other peripheral equipment.
乐爵士音响品牌的产品系列包括卡拉ok音箱、专业音箱、专业功放和专业周边等器材。
youdao
And for people who use their voices a lot, like singers or professional speakers, get voice training and use an amplifier.
VOA: special.2009.09.02
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