1. I'd suggest you for for 6x9.if you're installing in hatch position.
2. in a way.
any existing speakers will run on existing HU. if you don't like existing HU, you can disconnect them and wire them to new 4 ch amp.
alternatively, you can run a parallel setup where's the existing and new speakers will continue to work on their dedicated amps.
2. in a way.
any existing speakers will run on existing HU. if you don't like existing HU, you can disconnect them and wire them to new 4 ch amp.
alternatively, you can run a parallel setup where's the existing and new speakers will continue to work on their dedicated amps.