{"appears_in":[{"position":4,"ranking_slug":"best-home-projectors-2026","ranking_title":"2026 年家用投影仪怎么选：CVIA 亮度、显示技术、安装方式三项定生死，10 款横向对比","score":8.6,"url":"https://buyranker.com/ranking/best-home-projectors-2026"}],"brand":"小米（Xiaomi）","buy_url":null,"canonical_url":"https://buyranker.com/product/redmi-projector-4-pro","category":{"name":"投影仪","slug":"projector"},"cons":["600 CVIA 只适合暗环境","非激光光源，色域不及三色激光"],"description":null,"id":"9467cd1d6515f18feaeaa7e9fa5ec2ad","image_url":null,"name":"小米 REDMI 投影仪 4 Pro","official_url":null,"price":{"currency":"CNY","max":1499,"min":1499},"pros":["大厂品控与售后网点","自动对焦校正完整","音响配置在千元档偏强"],"release_year":2025,"slug":"redmi-projector-4-pro","specs":{"亮度":"600 CVIA","画质":"MEMC 运动补偿","语音":"小爱远场语音","音响":"2×8W + 低音被动板","分辨率":"1080P","对焦校正":"ToF 无感对焦 / 校正 / 避障 / 入幕","最大画面":"120 英寸"},"summary":"600 CVIA、1080P、带 ToF 自动对焦的千元级投影仪。"}