My money is on these guys.

Harman Halsonic

I have a more basic Harman Kardon Noise Cancelation system now in my Jeep Summit. It's extremely quiet. All the glass is "Acoustic Glass" as well. One pet peeve is there is no way to shut it off to see how effective it really is (no way to A/B while driving)

We know how good Meridian did with "Room Correction" (cough cough).

- Fiddler (IMHO)

If you think listening to music is fun, try learning an instrument.
HT: G61RSL, 4x5K, 5.5KHC, 2xSC6000, Transporter, HD621, Philips BDP7501 4K, Tivo, 65" LG OLED 4K C6
Computer: Foobar2000, 5K, Mojo, HiFiMan HE1000 V2