i know how chavvie iam going to make my self sound here so please leave it out
i have a 15" pa speaker i got for helping out a local church i have wired it in to the boot and strapped it to the underside of my parcel shelf so no one can see it
but this will not have a negative affect on the head-unit or the wires will it and also what kind of amp will i need to make it sound better could i wire it up to a car amp
cheers for your help