original cd player with sub and amp

[chris2008]

ive read on here some where that you can connect a sub and amp to the original cd player to the megane if so where can i get this from because i dont want to lose the diplay and controls, i was gonna get a sony cd player with the works for £129 but its an extra £50 for leads for steering controls i ant paying that

meg 1.5dci 100bhp 2005 expression