Gaity

iTrader: (2)

I know I've done this the wrong way round but I've just bought 2 x 12 inch subs with a carpeted enclosure and with a built in Amp.

I am going to change the HU soon and I've already changed the front speakers.

My question is, will the original HU from a 2003 WRX support a base box

escott

iTrader: (1)

Your HU doesn't have pre-outs, but it will support a powered sub which takes speaker level inputs - which some of the Alpines do.

Gaity

iTrader: (2)

It is a powered sub so you don't happen to know how I would go about connect the wiring

escott

iTrader: (1)

It may have inputs marked speaker or high level. If it does you split the speaker cables into them.

Worth checking for the manual. What model is it?

Gaity

iTrader: (2)

It does indeed have "High Level Inputs" which I assume I can simply connect to the Left & Right rear speakers using the positive & negative terminals.

I do however have 2 further questions:-

1. The High Level Input wiring supplied has R+, R-, L+ & L-, but it also has a 5th wire labelled "G" - where does this go

2. I assume the rear speaker cables run under the plastic kick plates on the doors - how are these removed with breaking anything

Thank you for your continued advice

escott

iTrader: (1)

Guessing it will be ground? You should have somewhere to wire it up to the battery (using a fuse close to the battery itself) then it needs to be grounded, or earthed, to the chassis. If you can find a model number or manual that would help.

Not sure about the rear cables, sorry.