what HU do you have? look in your manual itll tell you the preout voltage. unless you have a cheap HU it should be switched to the 1v-8v setting. usually any decent HU will have 2v or higher preoutshow do i know preout voltage?
o i c. thanks for all the help.what HU do you have? look in your manual itll tell you the preout voltage. unless you have a cheap HU it should be switched to the 1v-8v setting. usually any decent HU will have 2v or higher preouts