The Fezz Audio Evolution Omega Lupi is a high-performance vacuum tube headphone amplifier designed for listeners who demand exceptional sound quality and maximum headphone compatibility. In addition, it delivers the power and control needed to drive even the most demanding headphones with ease.
Built for serious headphone enthusiasts, the Omega Lupi combines tube amplification with a highly versatile output stage. As a result, it provides a natural and engaging listening experience while maintaining excellent control across a wide range of headphone designs.

Designed for demanding headphones
The Omega Lupi is engineered to handle virtually any headphone load. Therefore, it can drive both low- and high-impedance headphones with confidence. In addition, its powerful design ensures stable performance even with headphones that require substantial power reserves.
Wide impedance compatibility
The amplifier supports headphones with impedances ranging from 32 to 600 ohms. As a result, users can pair it with a broad selection of dynamic and high-end audiophile headphones. Furthermore, the flexible impedance matching helps optimise performance across different headphone types.
Neutral and transparent sound
The Omega Lupi is tuned to deliver a highly neutral presentation. Therefore, it reproduces recordings with excellent accuracy while preserving musical detail and tonal balance. In addition, its transparent character allows listeners to hear the full capabilities of their headphones and source components.

Strong bass and natural dynamics
The amplifier provides a solid bass foundation that gives music weight and authority. As a result, low frequencies sound controlled and impactful without becoming exaggerated. Moreover, the amplifier maintains excellent dynamics across the entire frequency range.
Refined tube musicality
While the Omega Lupi prioritises accuracy, it also retains the engaging qualities associated with vacuum tube amplification. Therefore, vocals sound natural, instruments gain texture, and recordings feel more immersive. Furthermore, the amplifier presents music with a sense of ease and fluidity.
Unlock the full potential of your headphones
The Omega Lupi removes many of the limitations imposed by insufficient amplification. Consequently, headphones can perform closer to their full potential. In addition, the amplifier provides the control and headroom needed to reveal subtle details and dynamic contrasts within recordings.
Main Features
- High-performance vacuum tube headphone amplifier
- Designed to drive demanding audiophile headphones
- Compatible with headphones from 32 to 600 ohms
- Flexible impedance matching
- Neutral and transparent sound signature
- Strong and controlled bass performance
- Excellent dynamic range and detail retrieval
- Natural and engaging tube character
- Suitable for both low- and high-impedance headphones
- Built for high-end personal audio systems





















