I have recently acquired a 2012 Hyundai Sonata Hybrid and while I was able to get the upgrade Infinity Stereo, which doesn't sound too bad, it is sadly lacking in bass. It even comes with a a sub-woofer. However, as you can imagine the system is a typical OEM system. 7 speakers, 2 front, 2 rear, 2 dash and 1 sub. The sub is a 6" Dual voice coil open air mount. The dual voice coil was interesting as it gets both a left and right channel feed from the external amp. The amp is a 400W, 40W per channel front/rear and 30W per channel on the mid and sub (really, 30W for a Subwoofer, no wonder why its lacking in bass). Smallest thing I have ever seen so I guess I can understand the lacking bass.
The Infinity sound system also presents some interesting challenges and also some benefits that the standard, non-hybrid, does not have. One major challenge is that the external amp is fed from the head unit via digital electrical SPDIF. My initial research on finding an amp with SPDIF in was pretty much a bust. I could not find anything on the market for this. However, it really didn't matter if I wanted to intergrate the Nav system, phone and voice into my stereo since these are all separate feeds into the external amp. Oh, and how do I know all this? Because I went to Hyundai Service Website and signed up. Anyone can signup and it is a wealth of information about your Hyundai. I have to give Hyundai 4 stars for allowing anyone to have this information.
So I am going to go with speaker level inputs into the system. More to come.....
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