I've just installed an amp, and headunit into my new car, with a sub.

I kept the stock speakers which sound great when powered by the amp. However there is a point where the mid woofers start to break up due to being overpowered by the amp.

I'm completely content with the stock tweeters, however i want to upgrade the mid woofers. Is it possible to buy just the mid woofers somewhere?

You can, a few places offer separate components, but how are you going to run them? Off the stock crossovers (if any?) or you don't really know? You will be better off (in sound and tuning ability) to buy a set of splits, woofer and tweeter, as they are made to work together with the crossover supplied, and I doubt it would cost much more to get a nice set of splits then it would to get a set of mids on their own.

What budget are you working within?

very rare to be able to buy high quality midbass units on their own. Most of the best equiment is sold in sets, with tweeters crossovers and midrange units.

the only high quality drivers (that i know of) than can be purchased separately are the hybrids which are available directly from this site. However these are 4ohm drivers and we do not know what impedence the stock speakers are. If you take the out the stock mids from the doors their impedence usually will be written on the back. You must match impedences in order to get something that will intergrate between the tweeter and mid. If the impedence is different it will not sound very good at all. Then there is another factor which is the sensitivity rating. The stock speakers are usually very highly efficient compared to after market high-end high quality units. What does this mean well it means that the tweeters will dramatically over power your mids and midbass units. Nothing on the headunit can compensate for this. The only way to compensate for this would be an Lpad (or special resistor network) placed on the tweeter to reduce its level (this has to be placed between any passive units and the tweeter.....aka passive units = capacitors and inductors).

so to sum up to upgrade just mids or midbass units on a stock simple and keep the great well intergrated stock speaker sound isnt as easy as slapping a new mid in the door location. Even upgrading both tweeter and mid with an aftermarket set isnt always straight forward. The easiest simplest way to upgrade stock system is to add a subwoofer, its a straight forward install that will be lots of fun.

i think it would be best to let us know what type of car you own then people that have upgraded the stock setup can give you ideas of how to make it better.

Dynaudio, Focal, Morel, Scanspeak, Peerless, Seas, Hybrid Audio...

all great brands that sell separately.

Run a HP Filter to your mids, and all your problems will be solved.

I know there are often advantages of choosing individual components/drivers for your setup but in most cases isn't it better to have matching midranges + tweeters as they are designed to work together and also they will 'blend' in better (in terms of tonality etc).

if you like the tweeters, it's perfectly acceptable to try different mids - trial and error will teach you more than listening to other people's ideas.

nah there are no most cases...you can use brand A HU with brand B amps and brands c n d speakers with brand X's subs.

As stated if you like highs then just replace midrang\midbass speakers...although I tend to think, as stated above, you just need to set a higher HP filter on amp and your mids will be fine as they are

peace
Cyberpunky

sorry didnt see that you were using an after market headunit.

best idea is to change the both tweeters and mids for matching sets. There are too many variables in play to blend a stock tweeter with an aftermarket midrange unit.

Very rare to buy midbass units on their own? Too many variables in play to blend a stock tweeter with an aftermarket midrange??

Are you kidding? As Pulse-R stated - there are PLENTY of companies that sell mids on their own. And some of the best systems I know are not off the shelf component sets.

Thraxeh, I reckon try the high pass filter idea first, if you're happy to play around with crossover settings (I'm sure there are guys here who could help with the specs of components you'd need). Remember, if you're buying new mids, you may need to cross them over anyway

high passing your mid midbass from the amp or head unit is a must, HPF (high pass filter) 60-80hz @ 12db/oct is the place i would look to first before anything else

stock tweeters are terrible and upgrading the midrange driver with a high quality unit will really show this.

intergrating a stock tweeter with a high quality midrange driver hard.....you bet.

i prefer installing speakers that are designed to work together. Plug and play is the way to go with a little tweaking of the tweeter attenuation. I have yet to encounter a situation where a good quality component set sounds bad using the passive crossover designed for it. Its when you go active and ditch the passive crossover then things take time and effort to get the sound up to the passive design, then if you are lucky exceed the sound of the passive.

Going the "ill use great midrange unit with stock tweeter" thats plug and pray, then add a lot of playing around with passive crossovers or active crossover settings till you get a sound that you may be happy with....thats a maybe.

just buy a component set that you like the sound of in the demo board. Always and i mean always the demo board will sound more mellow than the when placed in the car. Focals and MBQs sound fantastic @ my friends shops demo board but when you place them in the car they generally sound very harsh, i have yet to hear otherwise in 15 different installs of these brands.

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ok, I get where you're coming from now jas and I do kinda agree - a good quality midbass is going to show up the stocky tweeter most of the time