intros：{"brand_intro":"拜亚动力（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厂商之一。以录音棚监听耳机闻名，DT系列是行业标准。品牌坚持德国制造，注重声学精准度和耐用性，在Hi-Fi发烧友和专业音频工作者中拥有极高声誉。","product_intro":"DT 900 Pro X是拜亚动力新一代开放式监听耳机，搭载STELLAR.45驱动单元，声场开阔、定位精准。阻抗48Ω，灵敏度高，手机和便携播放器即可驱动。头梁和耳罩采用天鹅绒材质，佩戴舒适。可换线设计，附赠3米和1.8米两条线材。声音中性偏暖，适合音乐制作、混音和Hi-Fi欣赏。","key_specs":{"驱动单元":"45mm STELLAR.45","频率响应":"5Hz-40,000Hz","阻抗":"48Ω","灵敏度":"100dB SPL","重量":"约345g","线材":"可拆卸，3.5mm插头"}}
alt_products：[{"product_name":"拜亚动力 DT 900 Pro X 开放式头戴式耳机","brand":"Beyerdynamic","model":"DT 900 Pro X","price":1599}]
kol_quotes：["Hi-Fi博主鬼斧神工：'DT 900 Pro X是2000元内最值得买的开放式耳机，声音准确且耐听。'","录音师李星：'在棚里用了十年DT系列，Pro X的细节表现又上了一个台阶。'"]
scoring_breakdown：[{"source":"word_of_mouth","score":93.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其音质\"通透自然\"，声场宽广，乐器分离度出色，尤其适合古典和爵士乐。佩戴舒适，长时间使用不夹头。做工扎实，德国制造品质可靠。缺点是开放式设计漏音严重，不适合嘈杂环境；外观偏专业、不够时尚。整体性价比高，是入门Hi-Fi和监听用途的优选。","source_count":0}},{"source":"objective","score":94,"weight":0.5,"confidence":0.7,"details":{"dimension":"battery","rating_avg":4.7,"review_count":18000,"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":18000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["Hi-Fi博主鬼斧神工：'DT 900 Pro X是2000元内最值得买的开放式耳机，声音准确且耐听。'","录音师李星：'在棚里用了十年DT系列，Pro X的细节表现又上了一个台阶。'"]}}]