Was looking for a solid red 400 when I came across this in my stock. It’s a true 400 duo. 12 over 12. 6 blue over 6 blue and 6 white over 6 white. Standard 2 pair wires out back. Dated 06/11. I’ve been dealing with 400s for over 10 years and never seen nor heard of a duo 400 except for the new...