View Full Version : Some newbie ??'s that i have about my bmw

04-11-2009, 11:51 PM
What is the difference between a 3 way set up and a 2 way set up?
What is the difference between an active and passive set up?

My car is an 06 bmw 325i with no rear speakers.. It only has a small mid and a tweeter in the front door.

Would a 3 way set up sound better than a two way?
Im assuming that a 3 way set up would be a mid, tweet, and mid woofer?
If i did decide to go with a 3 way set up where would i put the mid woofer?

Iv been trying to determine what size my factory h/k speakers are but some places say its a 6.5 inch ( the one in the door doesnt look anywhere near the size of a 6.5 ) and some say its like a 5 and 1/4 inch so does anyone know exactly how i would find out?

Lets say i have a 750$ - 1000.00$ budget, what are some of the brands and models i should be looking at? 2 way or 3 way? I want something loud and someting that has very good sound quality.


04-11-2009, 11:57 PM
u should have 10 speakers in total, i think. a girls bmw i worked on did....but i cant remember the sizes...

04-12-2009, 12:50 AM
u should have 10 speakers in total, i think. a girls bmw i worked on did....but i cant remember the sizes...

No mine only has a mid and tweet in each of the front doors and two behind the back seat.

Bump for more answers to my questions!

James Bang
04-12-2009, 01:53 AM

James Bang
04-12-2009, 01:53 AM

04-12-2009, 02:13 PM
Ok i did a search and got some of my questions answered.

I still dont know what the difference between an active and passive setup is. Could someone please explain that to me??

Im leaning toward a 3 way system b/c im into really really good sound quality and i believe that having something to fill that gap between what the mids and tweets and the sub do.

Howw and where could i mount a mid woofer??

04-12-2009, 02:28 PM
There are sticky threads for a reason.


04-12-2009, 02:48 PM
Ok i got the active vs. passive now.

My next question is should i run a 2 way with just mids and tweets or a 3 way with mids tweets and a midwoofer? If i do run a 3 way where should i put the midwoofer, custom kick panel?? Also i thnk i wana run these active.

04-12-2009, 04:02 PM
bump for my question above...

04-12-2009, 04:11 PM
If you didn't know what going active meant, you should definitely not start off with a 3-way front stage. Get good at working with a 2-way front stage and then progress from there. 3-way in the front will take a lot of work, such as proper tuning, speaker placement, fabrication (kickpanels and stuff), amplification, selecting crossover points, etc. 2-way is similar, but it'll be easier to work with.

04-12-2009, 05:45 PM
Well im not gona be the one installing and tuning it, gona have my local car audio shop do that.

Do you think a three way would sound better? Where do the speakers go, there are only mids and tweets in the door?

Also how do i find out what factory size my speakers are??

04-12-2009, 06:37 PM

04-12-2009, 07:01 PM

SQ is subjective and your ears are the judge.

04-13-2009, 07:37 PM
Ok so my local car audio shop recomended some bostan speakers that retail for 1000.00$, im not sure of the model number.

Do you guys think that bostan setup would be the best for the money?

Also the crutchfield site says that i have a 4 inch mid but every other site iv seen says i have a 6.5??

If i do only have a 4 inch mid, then what are some good speakers that i should be looking at? There arnt any speakers in the rear doors but there are two coax's behind the head rest in the rear.