Home / LED Components (Korean) / YS31M-424 Mega Sign LED Controller Replacement “ADT_NEW2S3C 1/4 CONV V.3.0 Duty Converter” has been added to your cart. View cart YS31M-424 Mega Sign LED Controller Replacement$299.99 Available on backorder YS31M-424 Mega Sign LED Controller Replacement quantity Add to cart Category: LED Components (Korean) Brand: YJMicro Related products YJMicro YP341S LED Sign Controller $129.99 Read more ADSP-400NWT Tri Color LED Sign Remote Control Board $179.00 Add to cart 240MM 3 Color 1/4 Duty LED Module – DBLED / DB22LED_70614 $29.00 Read more EyeTV LED Sign Software 1.0.13.1 Read more