The front connector to have Insulated Banana Female Jack and black wire with KST RNYB1-3.2 ring terminal. Wires are UL1007#22AWG stranded. As the customer request, all color options are black, even the ring terminals are red but covering a black heat shrink tube. The KST ring terminal is quality guaranted and have an anti-corrosion coating to preven corrosion form dissimilar metals.