德生PL-990收音机

评测依据

• review_count：12500
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[0,999]
• dimension：performance
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 02:56:43","to":"2026-06-26 02:56:43"}
• intros：{"brand_intro":"德生（Tecsun）是中国知名的收音机品牌，成立于1994年，总部位于广东东莞。专注于收音机、音响及数字音频产品的研发与制造，以高品质、高性价比著称，产品远销全球60多个国家。德生收音机在短波、调频接收性能上表现优异，深受广播爱好者、户外爱好者和老年用户喜爱，被誉为\"中国收音机第一品牌\"。","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/长波/单边带接收。采用DSP芯片和同步检波技术，灵敏度高、抗干扰能力强。配备大屏幕液晶显示、数字键盘直输、定时开关机、录音输出等功能。内置18650锂电池供电，续航持久。外观经典商务，操作逻辑清晰，是广播发烧友和旅行者的理想选择。","key_specs":["频率范围：调频87-108MHz / 中波522-1620kHz / 短波1711-29999kHz","调谐方式：数字调谐（ETM+ATS自动搜索）","输出功率：≥500mW（耳机）/ ≥150mW（喇叭）","供电方式：内置18650锂电池（3.7V/2000mAh）或外接5V USB","尺寸：约188×116×31mm / 重量约430g","附加功能：同步检波、单边带接收、录音输出、定时开关机"]}
• alt_products：[{"product_name":"德生PL-990收音机","brand":"德生","model":"PL-990","price":698},{"product_name":"索尼ICF-506收音机","brand":"索尼","model":"ICF-506","price":349},{"product_name":"熊猫T-09收音机","brand":"熊猫","model":"T-09","price":299}]
• kol_quotes：["\"PL-990的短波接收能力让我重新爱上了听广播。\"——数码评测博主@收音机发烧友","\"德生把旗舰机的价格压到了700元以内，诚意满满。\"——科技媒体《数字尾巴》"]
• 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，接收性能在同类产品中名列前茅，尤其是短波和单边带表现惊艳。做工扎实，旋钮手感顺滑，屏幕清晰易读。部分用户反馈调频灵敏度略逊于专业机，但整体性价比极高。适合从入门到进阶的广播爱好者，也是很多老用户的升级首选。","source_count":2}},{"source":"objective","score":96,"weight":0.5,"confidence":0.7,"details":{"dimension":"performance","rating_avg":4.8,"review_count":12500,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"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的短波接收能力让我重新爱上了听广播。\"——数码评测博主@收音机发烧友","\"德生把旗舰机的价格压到了700元以内，诚意满满。\"——科技媒体《数字尾巴》"]}}]
• method_version：v3
• search_visual：null