JBL MA310 卡拉OK合并式功放

评测依据

• review_count：5600
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[2000,4999]
• dimension：best_value
• sources：["京东","天猫","小红书","什么值得买"]
• time_range：{"from":"2026-06-25 12:40:36","to":"2026-06-25 12:40:36"}
• intros：{"brand_intro":"JBL成立于1946年，美国专业音响品牌，以扬声器技术闻名，是全球最大音响制造商之一。其功放产品继承专业舞台音响基因，注重功率输出和耐用性。JBL在卡拉OK领域有深厚积累，许多KTV采用其设备。品牌品控严格，性价比高，创始人James B. Lansing是扬声器设计先驱。","product_intro":"MA310 是JBL入门级5.1声道合并式功放，专为卡拉OK优化，提供双麦克风输入和数字混响效果。定位家庭K歌娱乐，适合预算有限但追求专业K歌体验的用户。竞品对比中，其麦克风效果优于同价位雅马哈和天龙，但影院功能较弱。适用场景以K歌为主，兼顾电影和音乐。","key_specs":{"声道数":"5.1声道，不支持全景声","输出功率":"每声道120W（8欧姆），功率充沛","麦克风接口":"2路6.35mm麦克风输入，带专业级混响和回声调节","音频格式":"支持Dolby Digital、DTS，不支持高清格式","连接方式":"蓝牙、HDMI（3进1出）、光纤、同轴"}}
• alt_products：[{"product_name":"JBL MA310 卡拉OK合并式功放","brand":"JBL","model":"MA310","price":2799},{"product_name":"天龙 AVR-X1700H 卡拉OK合并式功放","brand":"天龙","model":"AVR-X1700H","price":3299},{"product_name":"先锋 VSX-534 卡拉OK合并式功放","brand":"先锋","model":"VSX-534","price":2499}]
• kol_quotes：[]
• scoring_breakdown：[{"source":"word_of_mouth","score":84.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其K歌效果出色，人声清晰、混响自然，适合家庭聚会。专业评测指出功率大，能驱动大音箱。缺点包括不支持全景声、HDMI接口少，影院体验一般。部分用户反映做工略显粗糙，但整体性价比高，是K歌爱好者的实惠之选。","source_count":4}},{"source":"objective","score":82.94233577859286,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.5,"price":2799,"wom_score":84.1}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":5600,"source":"product_reviews_aggregate"}}]
• method_version：v3
• search_visual：null