I think it was from the second one, but I can't remember. Either way, you probably don't need it unless there's a problem. Mine had a bad power circuit and needed 3 parts. I just installed an Infinity Basslink last night in my street rod. It's a 200W rms unit that really rocks (but takes up twice the trunk space). So I guess the Kenwood is where it belongs, somewhat more dignified and unobstrusive. Hope you like yours.

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1986 560SL
2002 Toyota Camry
1993 Lexus