WHAT WE TEST

THX engineers complete hundreds of different scientifically-formulated tests to ensure the highest audio-visual standards possible. Key tests in this program are as follows:

testing loudspeakers

REFERENCE LEVEL VOLUME

All THX Certified amplifiers must be able capable of playing at THX Reference Level volume when used with THX Certified loudspeakers.

FIXED VOLUME GAIN

All THX Certified amplifiers have fixed volume gain that is calibrated to match THX Certified loudspeaker sensitivity to maximize the system’s overall performance.

DISTORTION LEVELS

To ensure studio quality crystal clear audio, all THX Certified amplifiers are designed and tested to perform at very low harmonic distortion levels. As the number of amplifier channels increase, distortion becomes more audible, therefore making it more pronounced in multichannel applications.

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