德生PL-990

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 02:05:20","to":"2026-06-26 02:05:20"}
• intros：{"brand_intro":"德生（Tecsun）是中国知名的收音机品牌，创立于1994年，总部位于广东东莞。专注于收音机研发与生产，以高性能全波段收音机闻名，产品远销全球。德生注重技术创新与用户需求，在短波、调频、中波接收领域拥有多项专利，被广大收音机爱好者誉为\"国货之光\"，是专业收听和业余无线电爱好者的首选品牌之一。","product_intro":"德生PL-990是一款旗舰级全波段数字调谐收音机，支持调频、中波、短波（含单边带）及长波接收。采用DSP芯片与五连调谐高放电路，灵敏度与选择性优异。配备2.4英寸彩色显示屏，支持同步检波、带宽滤波、ATS自动搜存等功能。内置18650锂电池供电，续航持久，并支持USB充电。外观采用经典木纹与黑色搭配，兼具专业性与收藏价值。","key_specs":["接收波段：调频/中波/短波/长波/单边带","调谐方式：数字DSP+模拟五连调谐","屏幕：2.4英寸彩色LCD","供电方式：内置18650锂电池（可更换）","输出功率：1.5W（内置扬声器）","尺寸：约280×175×90mm"]}
• alt_products：[{"product_name":"德生PL-990","brand":"德生","model":"PL-990","price":599}]
• kol_quotes：["德生PL-990是国产收音机天花板，短波接收不输千元级进口机。——收音机爱好者论坛版主","彩色屏+同步检波，这个价位没有对手。——数码博主@老收音机"]
• scoring_breakdown：[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为PL-990是德生近年来的巅峰之作，短波接收能力在同价位中表现突出，单边带模式清晰稳定。调频灵敏度高，中波抗干扰能力强。彩色屏幕显示信息丰富，操作逻辑清晰。部分用户反馈机身略重，便携性一般，但音质和做工获得一致好评。电池续航约20小时，满足日常收听需求。总体评价为\"专业级收音机中的性价比之王\"。","source_count":2}},{"source":"objective","score":77.40404809619238,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.8,"price":599,"wom_score":90.79999999999998}},{"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":["德生PL-990是国产收音机天花板，短波接收不输千元级进口机。——收音机爱好者论坛版主","彩色屏+同步检波，这个价位没有对手。——数码博主@老收音机"]}}]
• method_version：v2
• search_visual：null