I have a Sony XAV-W64BT. The manual says: 27 W RMS × 4 - 4 ohms
But I will be using the RCA output directly to subwoofer.
This is what it looks like http://img.olx.com.br/images/49/495618015736002.jpg
I am looking for a 8" slim powered/amplified subwoofer to use in my car. I couldn't find that type for Dayton or Sundown websites.
Subwoofers | Car Electronics | KENWOOD Australia
Subwoofers
Maybe kenwood...