Home / LED Components (Korean) / YS31M-424 Mega Sign LED Controller Replacement View cart “Tri Color LED Controller Upgrade (Ethernet + Serial + USB Port)” has been added to your 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 ADSP-400NWT Tri Color LED Sign Remote Control Board $179.00 Add to cart SD-4FN11 (4 DUTY_FULLCOLOR) Driver Board E331298 $59.00 Read more YJMicro YMO34N DHRNCY4-30509V1.1 $199.00 Add to cart 1/4 DUTY LDM DBLED1-60420 480mm Tri Color LED Module $59.00 Add to cart