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 YMPFP04G-408 / YPF4G-408 / YMPFP04G-40X / DBF448G_91106 Full Color Controller $348.00 Read more YJMicro YP341S LED Sign Controller $129.99 Read more SD-83N11 (8D) 1/8 Duty LED Driver Board for Tri Color Sign $29.99 Add to cart Tri Color LED Controller Upgrade (Ethernet + Serial + USB Port) $399.00 Add to cart