Datavideo 洋铭 SDI分配放大器 1分4

评测依据

• review_count：210
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:02:53","to":"2026-06-26 01:02:53"}
• intros：{"brand_intro":"Datavideo（洋铭）成立于1985年，总部位于中国台湾，是全球知名的专业视音频设备制造商。产品线涵盖切换台、录像机、分配器、转换器等，在教育录播、会议系统、小型演播室领域拥有广泛用户基础，以高性价比和易用性著称。","product_intro":"DA-104是一款1分4 SDI分配放大器，支持3G/HD/SD-SDI自动适应，最高分辨率1080p60。内置均衡器和时钟恢复功能，可补偿长距离传输的信号衰减。紧凑型金属机身，支持桌面或机架安装，适合教育、会议、小型制作等场景。","key_specs":["输入接口：1×BNC (3G-SDI)","输出接口：4×BNC (3G-SDI)","支持标准：SMPTE 424M/292M/259M","信号均衡：自动均衡最长100米（3G-SDI）","电源：DC 12V / 可选冗余","尺寸：120×70×30mm"]}
• alt_products：[{"product_name":"Datavideo 洋铭 SDI分配放大器 1分4","brand":"Datavideo","model":"DA-104","price":1280}]
• kol_quotes：["\"DA-104是入门级SDI分配的好选择，该有的功能一个不少。\"——摄像人网","\"洋铭的产品在校园电视台里很常见，稳定且售后响应快。\"——教育装备评测"]
• scoring_breakdown：[{"source":"word_of_mouth","score":85.89999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其性价比高，适合预算有限的用户。画质清晰，信号稳定，在50米内无明显衰减。教育行业用户反映用于录播教室效果良好，操作简单。部分用户指出1分4路数较少，多路需求需级联。少数反馈长时间使用后机身微热，但未影响性能。","source_count":0}},{"source":"objective","score":80.25499165971641,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.6,"price":1280,"wom_score":85.89999999999999}},{"source":"user_review","score":92,"weight":0.2,"confidence":1,"details":{"rating_avg":4.6,"review_count":210,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"DA-104是入门级SDI分配的好选择，该有的功能一个不少。\"——摄像人网","\"洋铭的产品在校园电视台里很常见，稳定且售后响应快。\"——教育装备评测"]}}]
• method_version：v3
• search_visual：null