jrgreene1968 10+ year member
Senior VIP Member
have a alpine 9887 just changed to active setup with alpine pdx4.100 amp. My question is rear fill. Now that i have the 9887 running 3 way, i have no rear fill. Could i hook speaker wire to rear speakers, and have the headunits internal amp run rear speakers, while pre-outs go to 4 channel amp.