intros：{"brand_intro":"拜雅（Beyerdynamic）是德国专业音频品牌，成立于1924年，是全球历史最悠久的耳机与麦克风制造商之一。以\"德国制造\"为品质标签，拜雅在录音棚、广播与Hi-Fi领域享有盛誉，其DT系列是专业监听耳机的行业标准，深受音频工程师与发烧友信赖。","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，振膜由日本特殊材料制成，解析力极高。开放式设计带来宽广自然的声场，适合混音、母带处理与Hi-Fi欣赏。头梁与耳罩采用天鹅绒材质，佩戴舒适。阻抗48Ω，易于驱动，手机与声卡均可推动。附赠两根可拆卸线材。","key_specs":{"驱动单元":"STELLAR.45 (45mm)","频率响应":"5Hz-40,000Hz","阻抗":"48Ω","灵敏度":"100dB SPL (1mW)","连接方式":"3.5mm / 6.35mm 可拆卸线","重量":"约345g"}}
alt_products：[{"product_name":"拜雅DT 900 Pro X 开放式头戴式耳机","brand":"Beyerdynamic","model":"DT 900 Pro X","price":1599}]
kol_quotes：["耳机林sir：DT 900 Pro X是拜雅近年最良心的作品，声音中正且富有音乐性。","音频应用版主：如果你需要一副能干活又能听歌的耳机，900 Pro X是唯一答案。"]
scoring_breakdown：[{"source":"word_of_mouth","score":93.69999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户一致认为其解析力\"恐怖\"，乐器分离度极高，细节丰富到能听到录音室呼吸声。声场开阔，定位精准，是2000元内开放式耳机的标杆。佩戴舒适，但开放式设计漏音严重，不适合户外使用。低频量感适中，更注重质感而非轰头。部分用户认为高频略亮，长时间聆听可能疲劳。适合严肃音乐欣赏与专业监听。","source_count":0}},{"source":"objective","score":96,"weight":0.5,"confidence":0.7,"details":{"dimension":"battery","rating_avg":4.8,"review_count":28000,"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":28000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["耳机林sir：DT 900 Pro X是拜雅近年最良心的作品，声音中正且富有音乐性。","音频应用版主：如果你需要一副能干活又能听歌的耳机，900 Pro X是唯一答案。"]}}]