center dash speaker

The dash of my '13 Lexus GS350 F-Sport (Non-ML) has 3 speakers up front. I have already replaced the corner two with a set of 4" Alpine S2-S40's. I would really like to find out how I can only get one speaker now to replace the center dash which is the same size. It bothers me slightly not...

I am planning out a system for my ‘04 Ram 1500 with the Infinity 7-speaker system. I havnt bought anything yet but I already have a 10in sub from my last car. My current plan is a head unit and a separate DSP/amp unit. Stock system: 2x 3.5” dashboard speakers 2x 6x9” front door speakers 2x...

Hi all, sorry for the long newbie post! I have a 09' BMW X5 with a factory system with a center dash speaker that is 3.5". The front doors have 3.5" also with tweeters higher up on the door, rear doors with 3.5" and 2 small subs under the front seats. My question is about specifying an amp and...