highest audio fidelity possible. All 1723 speakers passed the THX Ultra Certification without any change to the products, meaning our standards already exceed THX Ultra level out of the box!
This describes a loudspeaker's ability to reproduce audio accurately. The test confirms if the axial frequency response is balanced and flat within tight tolerances.
Not everyone gets the middle seat when watching a movie. THX measure the off-axis response to confirm if it is smooth with no audible comb filtering. A pass at THX Ultra ensures every seat in the room is served just like the sweet spot.
This tests the speaker's ability to reach the SPLs necessary to achieve THX Reference Level within certified limits of distortion at the listening distances required by THX Ultra.