Rockford Fosgate R2-500X1 单声道车载功放

评测依据

• review_count：1580
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[2000,4999]
• dimension：best_value
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 02:10:07","to":"2026-06-26 02:10:07"}
• intros：{"brand_intro":"Rockford Fosgate（来福）是美国老牌汽车音响品牌，成立于1973年，以超低音功放和扬声器闻名。其产品以'大功率、重低音'为特色，深受摇滚、电子乐爱好者喜爱。在中国市场，Rockford Fosgate被视为低音炮功放的标杆品牌，尤其适合追求震撼低频的车主。","product_intro":"Rockford Fosgate R2-500X1是一款单声道D类功放，专为驱动低音炮设计。在2欧姆负载下可输出500W RMS功率，内置可变低通滤波器和次声波滤波器。采用C.L.E.A.N.技术实时监测失真，保护扬声器。铝制散热器确保长时间高负载稳定运行。体积小巧，可安装在座椅下方。","key_specs":["输出功率: 1x500W (2Ω)","功放类型: D类","频率响应: 20Hz-250Hz","信噪比: >90dB","尺寸: 230x150x50mm","保护功能: 过热/过流/短路"]}
• alt_products：[{"product_name":"Rockford Fosgate R2-500X1 单声道车载功放","brand":"Rockford Fosgate","model":"R2-500X1","price":2399},{"product_name":"JBL GTO-804EZ 8通道车载功放","brand":"JBL","model":"GTO-804EZ","price":2999},{"product_name":"Alpine PDR-V75 5通道车载功放","brand":"Alpine","model":"PDR-V75","price":4599}]
• kol_quotes：["汽车音响改装师'低音狂人阿强'：R2-500X1是入门级低音炮功放的首选，功率实在，保护功能让人放心。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":85.89999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为其低音冲击力极强，下潜深且控制力好，适合听电子乐和摇滚。多数车主表示安装简单，C.L.E.A.N.功能实用。部分用户反馈散热风扇噪音略大，但整体性价比高。京东评价中'低音炮绝配'出现率超过70%，常被推荐用于10-12寸低音炮搭配。","source_count":2}},{"source":"objective","score":88.27366955651883,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.6,"price":2399,"wom_score":85.89999999999999}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":1580,"source":"product_reviews_aggregate"}},{"source":"expert","score":76,"weight":0.15,"confidence":0.6,"details":{"kol_count":1,"scored_count":1,"sample":["汽车音响改装师'低音狂人阿强'：R2-500X1是入门级低音炮功放的首选，功率实在，保护功能让人放心。"]}}]
• method_version：v2
• search_visual：null