for a bad speaker yes you must hunt down low 1.47ohm bose
originals.To put aftermarket heads in bose equipped autos
you need Powerdriver PD4($150) from a company called Audiolink.
They make the quality(by mobile standards)line drivers needed for your application.Unit is 4 channel adjustable line driver/ground loop isolater with harness kits available seperately(added cost)to mate to various bose equipped vehicles.Used few back in early 90s they work fine
but install is not for the timid.
originals.To put aftermarket heads in bose equipped autos
you need Powerdriver PD4($150) from a company called Audiolink.
They make the quality(by mobile standards)line drivers needed for your application.Unit is 4 channel adjustable line driver/ground loop isolater with harness kits available seperately(added cost)to mate to various bose equipped vehicles.Used few back in early 90s they work fine
but install is not for the timid.