Greg Petan has posted a review of the Lansche Audio No.4.1 loudspeaker with plasma tweeter ($55,000/pair) at Stereo Times. His conclusions:
All considered, fit, finish, performance, cool factor, and let’s not forget the blue lit Lansche logo aglow on the front of the baffle, we are dealing with something high-end audio should be all about delivering: making listening to music transformative, revelatory and transcendent. If those are your goals, look no further that the Lansche 4.1.
You can read the full review here.