德生 PL-990 全波段数字调谐收音机

评测依据

• review_count：12500
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 02:05:26","to":"2026-06-26 02:05:26"}
• intros：{"brand_intro":"德生是国内收音机行业标杆品牌，创立于1994年，专注收音机研发制造近三十年。以\"让中国人听好广播\"为使命，产品覆盖便携、台式、专业监听等全品类，在短波、调频、中波接收性能上达到国际先进水平，被全球无线电爱好者誉为\"中国索尼\"。","product_intro":"PL-990是德生旗舰级全波段数字收音机，采用5英寸大口径扬声器，音质饱满通透。支持SSB单边带接收，内置ETM（Easy Tuning Mode）一键搜存功能，可存储550个电台。配备双时钟、睡眠关机、线路输入/输出等实用功能，金属外壳坚固耐用，是发烧友和广播爱好者的经典之选。","key_specs":["接收波段：FM/MW/SW/SSB/AIR","扬声器：5英寸 8Ω 3W","存储电台：550个","电源：4节1号电池或外接DC 6V","尺寸：290×170×90mm","重量：约1.2kg（不含电池）"]}
• alt_products：[{"product_name":"德生 PL-990 全波段数字调谐收音机","brand":"德生（Tecsun）","model":"PL-990","price":698}]
• kol_quotes：["\"PL-990的短波接收能力在同价位几乎没有对手，SSB解调清晰度堪比专业机。\"——收音机爱好者论坛版主@短波猎人","\"德生把旗舰技术下放到这个价位，PL-990是入门发烧友的毕业机。\"——数码评测博主@科技老男孩"]
• scoring_breakdown：[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其接收灵敏度极高，尤其在短波和SSB模式下表现优异，远胜同价位竞品。音质方面，5寸大喇叭带来浑厚人声和清晰高音，调频立体声分离度出色。做工扎实，金属外壳手感厚重，旋钮阻尼适中。少数用户反映体积偏大、携带不便，且电池仓设计较紧。整体好评率超过98%，是千元内最值得购买的金属壳收音机之一。","source_count":2}},{"source":"objective","score":72.18714428857714,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.8,"price":698,"wom_score":92.89999999999999}},{"source":"user_review","score":96,"weight":0.15,"confidence":1,"details":{"rating_avg":4.8,"review_count":12500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"PL-990的短波接收能力在同价位几乎没有对手，SSB解调清晰度堪比专业机。\"——收音机爱好者论坛版主@短波猎人","\"德生把旗舰技术下放到这个价位，PL-990是入门发烧友的毕业机。\"——数码评测博主@科技老男孩"]}}]
• method_version：v2
• search_visual：null