intros：{"brand_intro":"小米集团成立于2010年，北京，以\"性价比\"和\"智能生态\"闻名。在音频领域，小米通过自研声学实验室和与哈曼卡顿、索尼等合作，逐步提升音质表现。Buds系列是小米TWS耳机的旗舰线，主打降噪、音质和MIUI生态协同。品控遵循\"极致性价比\"理念，在千元内市场提供旗舰级配置。创始人雷军强调\"感动人心、价格厚道\"，推动小米在音频领域快速迭代。","product_intro":"小米Buds 4 Pro定位千元级全能降噪耳机，面向小米手机用户和追求高性价比的消费者。核心卖点：三麦克风降噪+自适应降噪，最大降噪深度48dB；11mm双磁超动态单元+哈曼卡顿调音，支持LDAC 96kHz/24bit；空间音频支持头部追踪，适配小米、苹果设备。适用场景：日常通勤、影音娱乐、轻度运动。相比华为FreeBuds Pro 3，其优势在于更低的价格和更丰富的EQ调节（通过小米耳机App）。","key_specs":{"芯片":"BES2700YP芯片，支持蓝牙5.3和LE Audio","降噪深度":"48dB，自适应降噪模式","续航":"单次9小时（降噪关），配合充电盒38小时","防水等级":"IP54，防汗防溅","单元":"11mm双磁超动态单元，哈曼卡顿调音","重量":"单耳约5.0g，充电盒约43g"}}
alt_products：[{"product_name":"小米Buds 4 Pro","brand":"小米","model":"M2132E1","price":999},{"product_name":"小米Buds 4 Pro 无线降噪耳机","brand":"小米","model":"Buds 4 Pro","price":999},{"product_name":"漫步者NeoBuds Pro 2 无线蓝牙耳机","brand":"漫步者","model":"NeoBuds Pro 2","price":799}]
kol_quotes：[]
scoring_breakdown：[{"source":"word_of_mouth","score":85.89999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"京东、天猫20万+评价，用户普遍认为其降噪效果\"越级\"，48dB深度在千元内罕见。音质方面，哈曼卡顿调音偏流行，低频量感足，但部分用户认为高频延伸不足。专业评测（如\"科技美学\"）指出其空间音频头部追踪延迟较低。缺点：佩戴舒适度一般（耳塞偏硬），连接稳定性在复杂环境下偶有断连。整体口碑\"千元降噪之王\"，适合预算有限但追求旗舰体验的用户。","source_count":4}},{"source":"objective","score":90,"weight":0.5,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.5,"review_count":200000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":200000,"source":"product_reviews_aggregate"}},{"source":"search_visual","score":70.37857142857142,"weight":0,"confidence":0.87,"details":{"result_count":7,"judgment_score":82,"authority_score":82.9,"top_sources":["zhihu.com","jd.com","bilibili.com","smzdm.com","baike.baidu.com"],"judgment_summary":"小米Buds 4 Pro以旗舰级降噪和均衡音质成为千元内TWS耳机优选，但高音细节和佩戴稳定性仍有提升空间。"}}]