九音车载ISDB-T数字电视天线（鲨鱼鳍款）

评测依据

• review_count：1800
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 02:10:54","to":"2026-06-26 02:10:54"}
• intros：{"brand_intro":"九音是专注于汽车电子后装市场的品牌，产品涵盖车载导航、天线、摄像头等。品牌以创新设计和品质稳定著称，鲨鱼鳍天线系列在市场上拥有较高知名度，多次获得电商平台好评榜推荐。","product_intro":"这款鲨鱼鳍造型天线专为ISDB-T数字电视优化，采用流线型外观设计，可完美贴合车顶，降低风阻。内置双频段接收模块和信号放大器，支持VHF/UHF全频段。采用3M胶固定，无需打孔，安装后与原车风格协调。","key_specs":["频率范围：VHF 170-230MHz / UHF 470-770MHz","增益：≥28dB","阻抗：75Ω","工作电压：DC 5V/12V兼容","接口：F公头","线长：4米"]}
• alt_products：[{"product_name":"九音车载ISDB-T数字电视天线（鲨鱼鳍款）","brand":"九音","model":"JY-ISDBT-SHARK","price":128},{"product_name":"征途车载ISDB-T数字电视天线（强信号版）","brand":"征途","model":"ZT-ISDBT-PRO","price":158}]
• kol_quotes：["车评人老张：九音这款鲨鱼鳍天线不仅好看，信号增益确实比普通粘贴天线高出一截。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":88.6,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户高度评价其外观设计和信号接收效果，鲨鱼鳍造型与多数车型搭配协调。信号稳定性好，高速行驶时画面依然流畅。部分用户反映安装时需注意清洁车顶表面以确保粘合牢固。整体满意度高，被认为是颜值与性能兼备的产品。","source_count":2}},{"source":"objective","score":89.68889447236181,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.7,"price":128,"wom_score":88.6}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":1800,"source":"product_reviews_aggregate"}},{"source":"expert","score":76,"weight":0.15,"confidence":0.6,"details":{"kol_count":1,"scored_count":1,"sample":["车评人老张：九音这款鲨鱼鳍天线不仅好看，信号增益确实比普通粘贴天线高出一截。"]}}]
• method_version：v2
• search_visual：null