intros：{"brand_intro":"拜雅（Beyerdynamic）是德国专业音频品牌，成立于1924年，拥有近百年历史。以高品质动圈耳机和麦克风闻名，DT系列是录音室和HiFi领域的经典之作。其产品以中性、精准的声音还原和坚固耐用的做工著称，深受音频工程师和音乐爱好者信赖。","product_intro":"DT 900 Pro X是拜雅新一代开放式监听耳机，采用STELLAR.45驱动单元，提供开阔的声场和精准的细节表现。头梁和耳罩经过人体工学优化，佩戴舒适度提升。可换线设计，标配3米和1.8米两根线材。开放式结构适合安静环境下的音乐欣赏、混音和游戏定位。","key_specs":["驱动单元：45mm STELLAR.45动圈","频率响应：5Hz-40,000Hz","阻抗：48Ω","灵敏度：100dB SPL","线材：可拆卸，3.5mm插头","重量：约345g"]}
alt_products：[{"product_name":"Beyerdynamic DT 900 Pro X 开放式头戴耳机","brand":"Beyerdynamic","model":"DT 900 Pro X","price":1899}]
kol_quotes：["耳机大家坛版主：DT 900 Pro X是拜雅近年来最成功的升级，声音完成度极高。","音频工程师李军：用它混音，声场定位非常准确。"]
scoring_breakdown：[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户一致认为声音中性、解析力极高，声场宽广自然，适合古典、人声和器乐。做工扎实，德国制造品质可靠。开放式设计漏音明显，不适合嘈杂环境。部分用户觉得高频稍亮，长时间聆听可能疲劳。整体口碑极佳，是2000元价位开放式耳机的标杆。","source_count":0}},{"source":"objective","score":96,"weight":0.5,"confidence":0.7,"details":{"dimension":"battery","rating_avg":4.8,"review_count":8500,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":96,"weight":0.15,"confidence":1,"details":{"rating_avg":4.8,"review_count":8500,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["耳机大家坛版主：DT 900 Pro X是拜雅近年来最成功的升级，声音完成度极高。","音频工程师李军：用它混音，声场定位非常准确。"]}}]