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- AURIS Ultima KT88
AURIS Ultima KT88
The Ultimate Headphone Amplifier
- The Ultima 88 delivers a powerful and dynamic sound, with every detail of your music reproduced with precision, ensuring an immersive listening experience.
- Whether you’re using low or high impedance headphones, the Ultima 88 guarantees superior sound quality, allowing you to enjoy your favorite tracks as they were meant to be heard.
- Built with high-quality materials, the Ultima 88 is designed for longevity and consistent performance, making it a sound investment in your audio journey.
- Every note, from deep bass to delicate highs, is rendered with clarity and precision, making the Ultima 88 perfect for discerning audiophiles and professionals alike.
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AURIS Ultima KT88

Dynamic Tube Amplification
The Ultima 88 utilizes KT88 tubes in the output stage, providing a powerful and dynamic audio experience that is perfect for those who enjoy a more energetic sound.
Impedance Matching
Just like the Headonia 300B, the Ultima 88 includes an impedance selector switch. This feature ensures optimal performance and sound quality across a range of headphones with impedances from 32 to 600 Ohms.
Premium Build Quality
Crafted with the same meticulous attention to detail as the Headonia 300B, the Ultima 88 features a sturdy chassis made from milled aluminum, minimizing interference and vibrations to deliver pristine audio.
High-Quality Components
The Ultima 88 is equipped with top-tier components, including precision Japanese Alps potentiometers, German-made Mundorf capacitors, and Lundahl transformers on balanced inputs for enhanced sound quality.
Hand-Wound Output Transformers
The output transformers are hand-wound in-house with high-quality copper wire sourced from Serbia, ensuring exceptional sound quality tailored to your headphones.
Balanced and Single-Ended Inputs
Offering both balanced and single-ended inputs, the Ultima 88 provides flexibility for connecting various audio sources, ensuring optimal signal integrity and noise rejection.
Versatile Connectivity
The Ultima 88 features a preamp output for connecting to external power amplifiers or speakers, along with both 6.3mm and 4-pin XLR headphone outputs for versatile headphone connections.
Stunning Design
With a sleek and timeless design, the Ultima 88 is not only a high-performance amplifier but also an elegant addition to any audio setup.

*Disclaimer: Delivery time is 4 weeks
Stunning Design




Technical Details
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2 x KT88, 2 x CV181/6SN7
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>90dB
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±0.35 dB
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8.6 W
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32, 80, 150, 300, 600 ohm
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440x480x240 mm (17.32x18.89x9.44")
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19kg/41.88lbs