i have for sale and alpine mrv-F407 and a sony cdx-4000x i'm asking 100 shipped on the alpine amp obo....and 65 shipped obo on cd player both worked cd player is out of gf's car she upgraded to a jvc 30 thousand color cd player and amp i hooked up and played some music other than that haven't touched it...i am willin to trade just offer up...all offers are considered