ETC S4WRDCII-A Source 4WRD Color II LED Upgrade | EddisonThe ETC S4WRDCII A Source 4WRD Color II is a static wash LED retrofit designed to convert an existing Source Four incandescent profile into a color mixing fixture without replacing the entire luminaire. This approach is well suited to venues that want to modernize installed inventory, reduce maintenance, and expand creative flexibility while keeping familiar Source Four bodies in service. With RGBA color mixing and DMX control, it supports fast scene