intros：{"brand_intro":"拜亚动力（Beyerdynamic）是德国老牌专业音频制造商，成立于1924年，是全球历史最悠久的耳机品牌之一。以高品质监听耳机闻名，DT系列是录音室和音乐制作人的标准装备。品牌坚持德国制造，注重声音的准确性和耐用性，在Hi-Fi发烧友中拥有极高声誉。","product_intro":"DT 900 Pro X是拜亚动力新一代开放式监听耳机，专为高解析度音频和混音监听设计。搭载新一代STELLAR.45驱动单元，采用开放式声学设计，声场宽广自然。头梁和耳罩采用天鹅绒材质，佩戴舒适。阻抗48欧姆，灵敏度高，手机和便携播放器均可驱动。可换线设计，附赠3米和1.8米两条线缆。德国原产，做工扎实。","key_specs":{"驱动单元":"45mm STELLAR.45","频率响应":"5Hz-40,000Hz","阻抗":"48欧姆","灵敏度":"100dB SPL","重量":"约345g","设计类型":"开放式"}}
alt_products：[{"product_name":"拜亚动力 DT 900 Pro X 开放式头戴耳机","brand":"Beyerdynamic","model":"DT 900 Pro X","price":1599}]
kol_quotes：["@耳机大家坛：DT 900 Pro X是千元级开放式耳机的新标杆，声音中正耐听。","@刘嘉明：拜亚动力把专业监听下放到这个价位，是发烧友的福音。"]
scoring_breakdown：[{"source":"word_of_mouth","score":92.29999999999998,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其声音极其准确、中性，细节丰富，适合音乐制作和古典、人声等类型音乐欣赏。声场开阔，乐器分离度优秀。佩戴舒适，适合长时间使用。缺点是开放式设计漏音严重，不适合嘈杂环境使用。低频量感偏少，不适合追求重低音的用户。整体性价比极高，是入门Hi-Fi和监听用户的优先选择。","source_count":0}},{"source":"objective","score":94,"weight":0.5,"confidence":0.7,"details":{"dimension":"battery","rating_avg":4.7,"review_count":28000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":28000,"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：DT 900 Pro X是千元级开放式耳机的新标杆，声音中正耐听。","@刘嘉明：拜亚动力把专业监听下放到这个价位，是发烧友的福音。"]}}]