Neon Hole on Amp

[CorsaCasper]

I have just bought a sub and amp, on the side of the amp ther is a hole saying neon. is this wer i can put one in or will ther be one already in it? i havnt fitted the amp yet so i dont no. if i need 2 get a neon, rr ther specific ones for amps?

[CorsaCasper]

bump

[Ryan]

pics?

what amp is it

[flash22]

At a guess its a jbl gto 75.4 or something like that. If it is there £6-10 each and you will have to get them ordered in from jbl through a jbl dealer