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The Monolith THX Desktop Headphone Amplifier and DAC features cutting edge technology to bring out the best in your headphones, playback device, and music library. Utilizing dual THX AAA-788 amplifier modules for the best in amplification, an AKM DAC for an exceptionally musical experience, Dirac Sensaround II decoding for an out-of-your-head larger than life soundstage, the Monolith amplifier is engineered for the finest in music playback. A host of inputs and outputs both balanced, unbalanced, and digital, ensure that you have plenty of ways to connect your playback device.

THX AAA Technology: Infinitesimally low levels of distortion, noise, and power consumption deliver an audio lover’s dream. Every conventional amplifier distorts sound significantly when driving current into a headphone, producing crossover distortion and noise that reminds us we’re listening to an artificial experience. THX engineers set out to solve this problem, bringing to life a new low distortion, low power consumption amplifier topology – THX AAA.

AKM 4490EQ DAC: The AK4490EQ is a new generation flagship 32-bit stereo Premium DAC. Digital input supports PCM inputs up to 768kHz and DSD input of 2.8MHz/5.6MHz / maximum 11.2MHz the industry's highest level. Internal circuit employs a newly developed 32-bit Digital Filter for the ultimate in sound quality and musicality.

Dirac Sensaround II: Music is usually mixed with loudspeakers in mind, not headphones. As a result, headphone listening is often plagued by a distorted soundstage—instruments and voices may seem incorrectly placed and trapped inside your head, causing an unnatural listening experience that can result in listener fatigue. Dirac Sensaround II takes a different approach. Listeners can enjoy their favorite media in a way that seems to spread instruments, voices and objects out into space, enveloping the listener exactly as the artist intended. Dirac Sensaround II creates a vast, clear and realistically immersive soundstage free from the constraints of the space in your ear, much like a multi-speaker home theater system. This feature can be toggled on or off.