inputs.text: kappa legacy - upgrading cars stereo systehems past twenty years looking best speakers money buy infinity kappa not however everymans audiophile budget looking accurate reproduction durability speaker need look kappa series tried potpourri top brands years keep coming two names application looking accurate full range budget infinity kappa accurate vocal reproduction focal focal bit pricier special clean vocal performance quantum leap better upgrading old jaguar 4\\ infinities kappa mainly 2 ohm high efficiency speakers keep superfluous bass factory built bass chamber produces kappa 2ohm high efficiency speakers perfect upgrade original systehem car especial not plan additional amplification require less power produce sound result accurate reproduction low upper mid ranges volumeon budget