Infinity Reference 452i Coaxial Car Speaker

Pros: Crystal-clear sound reproduction within the effective range of the speaker.
Cons: Oversized builds limits applications/Hungry for power to perform at their best

As most that would possibly meander towards consideration of these gems from Infinity, my decision to purchase them was due to a necessity to upgrade from a factory speaker. After I did my research into the available possibilities that would suit my ...

Pros: Clear sound from mid to high. Bass is ok for it size.
Cons: Heavy weight magnet and deep mounting depth. Unipivot tweeter sticks out.

I got these speakers for my rear ports to replace the factory one (really crap paper units). One thing i noticed is the mounting depth, not really an issue for me at the rear but i wanted to replace the front door mounted speakers as well (another set of...

Pros: Smooth clear highs, very accurate mids, decent bass for a 4".
Cons: Large magnet, high tweeter. Not very durable. Rot in the heat.

I am a major advocate for Infinity speakers. They are the only speakers I own in bit my cars and inside my home. I had owned the previous generation of this speaker and was impressed with is so chose to give this design a try.
I had...

Pros: Nice, clear sounding speakers which are much better than others on the market.
Cons: Size may be an issue (magnet), need long 'break in' period, as well as amp.

I purchased a set of these little baby's for my girlfriends car. Since i have had fantastic results with the 652i's, i thought that i'll stay with the reference line and chose these.

They are mounted in the doors, and run off the HU.
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