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。以生产高品质监听耳机、麦克风著称，是录音棚和Hi-Fi发烧友的经典选择。DT系列是其标志性产品线，以坚固耐用、声音中性准确闻名。DT 900 Pro X是新一代开放式监听耳机，延续了拜亚动力的专业血统。","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，声音通透自然，解析力极高。头梁和耳罩采用可更换设计，佩戴舒适且易于维护。开放式结构带来宽广的声场和精准的结像，适合混音、母带制作和Hi-Fi欣赏。阻抗48Ω，灵敏度高，易于驱动，手机或便携播放器即可推出好声音。","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）","线材：3m可拆卸线（mini XLR）","重量：约345g（不含线）"]}
alt_products：[{"product_name":"Beyerdynamic DT 900 Pro X 开放式头戴耳机","brand":"Beyerdynamic","model":"DT 900 Pro X","price":1999}]
kol_quotes：["「DT 900 Pro X是拜亚近年来最均衡的开放式耳机，杂食且耐听。」——耳机大家坛版主","「声场和定位非常精准，做混音参考很合适。」——音频应用老编"]
scoring_breakdown：[{"source":"word_of_mouth","score":88.6,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为DT 900 Pro X声音中性、细节丰富，声场开阔，非常适合古典、人声和器乐。做工扎实，德国制造品质可靠。相比老款DT 990 Pro，高频更顺滑，低频控制力更好。缺点是开放式设计漏音严重，不适合嘈杂环境。佩戴舒适度不错，但夹持力偏紧。整体是2000元价位开放式耳机的标杆之一，深受音频工作者和发烧友喜爱。","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":["「DT 900 Pro X是拜亚近年来最均衡的开放式耳机，杂食且耐听。」——耳机大家坛版主","「声场和定位非常精准，做混音参考很合适。」——音频应用老编"]}}]