德生（Tecsun）PL-990 全波段数字调谐收音机

评测依据

• review_count：12500
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[0,999]
• dimension：performance
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 02:56:38","to":"2026-06-26 02:56:38"}
• intros：{"brand_intro":"德生（Tecsun）是中国知名的收音机品牌，成立于1994年，总部位于东莞。专注于收音机、音频设备研发与制造，以高灵敏度、稳定性和性价比著称。德生产品覆盖全波段接收，深受广播爱好者、业余无线电用户及户外爱好者信赖，多次获得行业奖项，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FM/SW/LW/航空波段及单边带（SSB）接收。采用DSP芯片与同步检波技术，抗干扰能力强，音质清晰。配备大屏幕液晶显示、数字键盘、定时开关机、录音及线路输出功能。金属拉丝面板设计，手感扎实，适合专业收听与收藏。","key_specs":["频率范围：FM 87-108MHz / SW 1711-29999kHz / LW 153-513kHz / 航空波段 118-137MHz","调谐方式：数字PLL锁相环+飞梭旋钮","灵敏度：FM优于1μV / SW优于20μV","输出功率：耳机输出≥10mW，扬声器输出≥500mW","电源：4节5号电池或外接5V DC","尺寸：约188×116×31mm，重量约560g"]}
• alt_products：[{"product_name":"德生（Tecsun）PL-990 全波段数字调谐收音机","brand":"德生","model":"PL-990","price":498}]
• kol_quotes：["收音机爱好者社区称其为'国产神机'，短波接收能力媲美进口千元机。","B站数码UP主评价：'PL-990是德生集大成之作，调频音质令人惊喜。'"]
• 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接收性能出色，尤其在短波和单边带模式下信号稳定，航空波段清晰。操作逻辑直观，飞梭旋钮手感顺滑。音质在收音机中属上乘，低音饱满。部分用户反馈电池仓设计稍紧，且价格略高于同类产品，但整体评价极高，认为物有所值，是专业级收音机的标杆。","source_count":2}},{"source":"objective","score":94,"weight":0.5,"confidence":0.7,"details":{"dimension":"performance","rating_avg":4.7,"review_count":12500,"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":12500,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.5,"details":{"kol_count":2,"scored_count":2,"matched_count":1,"base_score":82,"weighted_score":80,"sample":["收音机爱好者社区称其为'国产神机'，短波接收能力媲美进口千元机。","B站数码UP主评价：'PL-990是德生集大成之作，调频音质令人惊喜。'"]}}]
• method_version：v3
• search_visual：null