Audience mp3 problem

[Akash2009]

Hi I'm having skoda Octavia II 2007 model fitted with audience MP3 player n dsp sk35 1z0035456 I just want upgrade my HUD from audience to bolero but whenever I try to upgrade the player there's no sound in speakers cud any person tells me how can I upgrade the music system without changing the dsp

[k.young]

Do you have the "sound system" upgrade with 12 speakers. If you do ,I think you have to get one of the earliest models of the Bolero 08/09 maybe.

[hell666]

You can bypass the Amp by connecting the output of your HU directly to the speakers. The amp and the connectors are under the passenger seat.