I have heard the level 2 Atmosphere interconnects and was very impressed. I have not heard the level 3. The level 2 was so impressive I that I can only surmise that the level3 should be great.
Please note, however, that for best results the cable's wire shield should be grounded to a wall outlet.
Please note, however, that for best results the cable's wire shield should be grounded to a wall outlet.