绿联HDMI信号放大器延长器30米

评测依据

• review_count：28000
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["京东","天猫","小红书","什么值得买"]
• time_range：{"from":"2026-06-25 11:10:59","to":"2026-06-25 11:10:59"}
• intros：{"brand_intro":"绿联科技成立于2012年，是中国消费电子配件领域的领军品牌，总部位于深圳。创始人张清森从手机配件代工起步，后创立自有品牌，主打\"高颜值、高品质、高性价比\"。绿联拥有超过2000项专利，产品通过苹果MFi认证、USB-IF认证等，品控理念强调\"让每个人都能享受科技乐趣\"。在安防辅材领域，绿联以消费级产品切入，凭借电商渠道优势迅速占领市场。","product_intro":"该产品定位为家用级HDMI延长器，适合30米以内的短距离传输。核心卖点包括：支持4K@60Hz超高清输出，30米内无损；镀金接口防氧化，编织线身更耐用；兼容游戏主机、机顶盒等设备。相比海康、大华等工程品牌，绿联更注重外观设计与易用性，但缺乏专业级抗干扰能力，适合家庭娱乐、办公会议等轻量场景。","key_specs":{"传输距离":"30米（4K@60Hz），50米（1080P）","接口类型":"HDMI 2.0输入/输出，支持HDCP 2.2","供电方式":"USB-C 5V供电，功耗约1.5W","线材材质":"镀锡铜芯+铝箔屏蔽层，抗干扰性能中等","适用场景":"家庭影院、游戏主机、投影仪连接"}}
• alt_products：[{"product_name":"绿联HDMI信号放大器延长器30米","brand":"绿联","model":"CM293","price":89}]
• kol_quotes：[]
• scoring_breakdown：[{"source":"word_of_mouth","score":81.5,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"京东与天猫平台评价数超2.8万，用户普遍称赞其画质清晰、安装简单，尤其适合PS5、Switch等游戏设备。专业评测指出，30米内4K表现优秀，但超过40米后信号衰减明显。缺点为USB-C供电线较短，且部分用户反映长时间使用后外壳微热。整体好评率92%，被誉为\"家用延长器首选\"。","source_count":4}},{"source":"objective","score":63.05530303030303,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.5,"price":89,"wom_score":81.5}},{"source":"user_review","score":90,"weight":0.2,"confidence":1,"details":{"rating_avg":4.5,"review_count":28000,"source":"product_reviews_aggregate"}}]
• method_version：v3
• search_visual：null