研制，生产及销售专业音响器材。包括：专业音箱，功放，调音台及周边器材。
Develop, Produce and Sales for Professional Audio Equipment. Including: Loudspeaker, Power Amplifier, Mixing Console and Audio Accessories.
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。
Rojazz audio brand of products, including Kara OK speaker, professional speaker, professional amplifier, and professional and other peripheral equipment.
假如您有机会听到CSP专业音箱，您一定会被CSP细腻的表现手法、超级力度、超级震撼所吃惊！
If you have a change to hear the sounds of CSP products, you will be Shocked by listening the Fine and Smooth rendition of the products! Super Dynamics and Earthshaking!
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