专业级HD-SDI字符叠加器(字幕机) (型号:WS-SDIDJ-406)
4K字符叠加器(HDMI/SDI输入输出) (型号:WS-MH-DJ408)
超清HDMI字幕叠加器(4K输入输出) (型号:WS-HDMI-DJ408)
4路HDMI字符叠加器 (型号:WS-MH-DJ416)