德生收音机频率预设模块 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 02:05:23","to":"2026-06-26 02:05:23"}
• 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、音响及音频设备的研发与制造，以高品质、高性能和亲民价格著称。德生拥有多项专利技术，产品远销全球，深受无线电爱好者和普通用户信赖，被誉为\"中国收音机行业的标杆\"。","product_intro":"德生PL-990是一款高端全波段数字调谐收音机，支持FM/AM/SW/LW频段，内置频率预设模块，可存储多达550个电台。采用DSP数字信号处理技术，接收灵敏度高、抗干扰能力强。配备大屏幕液晶显示、双定时开关机、RDS（FM电台信息显示）等功能，适合广播发烧友和日常使用。","key_specs":["频率范围：FM 87-108MHz / AM 522-1620kHz / SW 1711-29999kHz / LW 153-513kHz","存储电台：550个预设位置","供电方式：3节AA电池或外接电源","尺寸：约185×115×30mm","重量：约380g（不含电池）","输出功率：≥500mW（耳机输出）"]}
• alt_products：[{"product_name":"德生收音机频率预设模块 PL-990","brand":"德生","model":"PL-990","price":698}]
• kol_quotes：["\"德生PL-990是国产收音机的天花板，接收能力不输千元级进口机。\"——收音机爱好者论坛版主","\"频率预设模块设计人性化，一键切换电台非常方便。\"——数码评测博主@收音机老张"]
• scoring_breakdown：[{"source":"word_of_mouth","score":91.39999999999999,"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，尤其在短波和中波频段表现稳定，频率预设模块操作便捷。音质清晰，低音饱满，适合听新闻、音乐和外语广播。部分用户提到电池续航中等，建议使用充电电池。整体评价极高，是德生旗舰机型之一，适合进阶爱好者。","source_count":2}},{"source":"objective","score":71.66214428857714,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.8,"price":698,"wom_score":91.39999999999999}},{"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是国产收音机的天花板，接收能力不输千元级进口机。\"——收音机爱好者论坛版主","\"频率预设模块设计人性化，一键切换电台非常方便。\"——数码评测博主@收音机老张"]}}]
• method_version：v2
• search_visual：null