经科 120英寸16:9玻珠投影幕布

评测依据

• review_count：15000
• rating_avg：4.8
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• time_range：{"from":"2026-06-26 00:26:25","to":"2026-06-26 00:26:25"}
• intros：{"brand_intro":"经科（JK）是广州经科电子科技有限公司旗下品牌，成立于2005年，专注于高端投影幕布研发与制造。经科以\"还原真实色彩\"为理念，在玻珠幕布领域拥有独家光学涂层技术，产品出口欧美日韩。其幕布被多家影音发烧友论坛推荐，是专业家庭影院和私人影院的优选品牌。","product_intro":"经科JK-120BZ是一款120英寸16:9玻珠投影幕布，增益2.2倍，采用纳米级玻珠涂层，画面锐度极高。幕布底层为黑胶防透光层，有效阻止背光干扰。边框为铝合金材质，表面阳极氧化处理。支持电动升降（标配静音电机），遥控器操作。适合独立影音室或大客厅使用。","key_specs":["幕布尺寸：120英寸（16:9）","增益倍数：2.2","幕布材质：黑胶防透光PVC+纳米玻珠","视角：155°","升降方式：电动遥控","电机：静音管状电机"]}
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