THX CERTIFIED PRE-AMPLIFIERS

THX Certified preamplifiers use exclusive home theater technologies to reproduce every nuance to the listener along with the raw power of a surround sound cinema experience or live recording session. All THX Certified preamplifiers have to pass over 500 THX lab tests to ensure the highest quality audio reproduction.

WHAT WE TEST

THX engineers complete hundreds of different scientifically-formulated tests to ensure the highest audio visual standards possible.

REFERENCE LEVEL VOLUME

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

THX PRE-AMPLIFIER FEATURES

THX Certified AV Receivers and preamplifiers feature proprietary technologies that accurately present movie, music and game soundtracks in the home.

RE-EQ

Many movie soundtracks are mixed in studios for playback in large cinema auditoriums with an array of speakers. When played on home systems, they may appear abrasive and edgy. Re-EQ establishes a more accurate tonal balance when enjoying movies in your home.

TIMBRE MATCHING

Your ears hear different tonal qualities in sounds coming from different directions. Timbre Matching restores the frequency balance between your front and surround speakers—ensuring seamless and smooth panning between the front to back of the room.

BOUNDARY GAIN COMPENSATION (BGC)

Sitting near a wall may result in distorted bass response. BGC corrects the way low frequency sound is perceived when seated near a wall. This results in a more true and accurate bass response.

THX LOUDNESS PLUS

THX Loudness Plus™ is a volume control technology featured in THX Certified Dominus, THX Certified Ultra and THX Certified Select Certified AV Receivers, pre-amps and amplifiers that automatically adjusts the front-to-back speaker level relationship as you turn the volume down. With THX Loudness Plus, home theater audiences can now experience the rich details of surround sound at any volume level.

Performance Class

THX Certified Ultra products bring the cinematic experience to larger home theaters, 3,000 cubic feet in size, with a viewing distance of 12 feet or greater from the screen.

THX Certified Dominus products are for expansive home theaters spaces, 6,500 cubic feet in size, with a 20 foot viewing distance from screen.

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