Hi Bros,
I'm driving a S60 2005 model. Recently I've installed a 2-channel Autobahn amp to drive a 12" JBL sealed woofer at Poh Seng. As I want to have minimal fuss and risk, we agree to tap the signal from the rear left speaker line instead of the headunit. A speaker-to-line converter was used. I later noticed the amp was not bridged and was told that if bridged, the stock HU ran the risk of being damaged. They couldn't quite explain why in technical terms. It is an easy job to bridge so I think the advice is based on their experience instead of cutting corners.
Any idea ? Thanks.