Fezz Audio Omega Lupi Headphone Amplifier
Best tube amplifier for audiophiles driving high-impedance, demanding headphones.
The Fezz Audio Omega Lupi is a powerful vacuum tube headphone amplifier designed to drive even the most demanding headphones with its 7W per channel output. It features proprietary toroidal output transformers for cleaner power and less interference, delivering musical excellence, detail, and accuracy with classic analog warmth. With a versatile impedance selector, it easily matches headphones from 32 ohms to 600 ohms, ensuring optimal performance for various headphone types. Its straightforward design emphasizes functionality, making it a reliable and high-fidelity component for serious audiophiles seeking a premium listening experience.
$3495.00
Owner Satisfaction
4.5
/ 5
Category Rank
388
/ 733
#388 in Headphone Amplifiers
Price vs Category Average
+150%
Above average
Amplifier Technology
Vacuum Tube
/ Vacuum Tube
Who it's for
- Audiophiles seeking a warm, musical, and immersive listening experience
- Design-conscious listeners who value premium build quality and aesthetics
- Owners of demanding headphones requiring significant power to perform
Who should skip it
- Budget-conscious buyers looking for entry-level audio solutions
- Users preferring low-maintenance gear without heat or replacement cycles
- Listeners who prioritize instant-on convenience over sonic optimization
Performance breakdown
Drive Capability
Seven watts of power handles even the most demanding planar headphones effortlessly.
Impedance Matching
Three-position selector ensures precise synergy across a wide range of loads.
Sonic Character
Delivers the signature lush warmth of tubes without sacrificing critical detail.
Signal Purity
Proprietary toroidal transformers effectively minimize interference for a clean, quiet background.
Maintenance Ease
Automatic bias module removes the headache of manual tube calibration.
Build Integrity
Robust construction and anti-vibration feet provide a stable, resonance-free foundation.
Key Specs
Amplifier Technology
Vacuum Tube
Circuit
Push-pull AB1 Class
Tubes
PCL86
Impedance Selector
32Ω, up to 150Ω, 150Ω+
Output Power
7W per channel
Input
RCA
Output
6.35mm Jack
Features
Toroidal transformers, Automatic bias module, Signal ground switch, Parallel signal output, Backlit logo, Voltage selector switch (127V/230V), Anti-vibration feet
Features
- Drives demanding headphones like HiFiMan SUSVARA with 7W of power.
- Proprietary toroidal output transformers ensure cleaner power and reduced interference.
- Offers musicality, detail, and accuracy with classic analog tube warmth.
- 3-position impedance selector (32Ω, up to 150Ω, 150Ω+) for optimal headphone matching.
- Automatic bias module for consistent performance.
- Signal ground switch to eliminate hum.
- Parallel signal output for integration with other components.
- Voltage selector switch for international compatibility.
What customers say
Customers consistently praise the Fezz Audio Omega Lupi Headphone Amplifier for its exceptional sound quality and striking design. Many reviewers highlight the amplifier's ability to deliver a rich, detailed, and engaging audio experience, elevating their headphone listening. The build quality and aesthetic appeal are frequently noted as premium, contributing to a sense of pride in ownership. While it represents a significant investment, users often feel the sonic improvements and elegant presentation justify the cost, perceiving strong value for a high fidelity component.
Know before you buy
Yes. With its 3-position impedance selector, the amplifier is specifically designed to accommodate headphones ranging from 32 ohms up to 600 ohms, ensuring proper power delivery for high-impedance models.
No, the Omega Lupi features an automatic bias module. This ensures the PCL86 tubes operate at their optimal levels consistently without requiring manual adjustments from the user.
These transformers are engineered to provide a cleaner power supply and significantly reduce electromagnetic interference. This results in a lower noise floor and a more precise, detailed sound profile compared to standard transformer designs.
The unit includes a dedicated signal ground switch on the chassis. If you experience hum or noise, toggling this switch can help isolate and eliminate ground-related interference.
Yes, the Omega Lupi features a parallel signal output. This allows you to pass the audio signal through to another component, such as a power amplifier or active speakers, while using the headphone output.
The Omega Lupi is equipped with a voltage selector switch on the back, allowing you to toggle between 127V and 230V. This makes it a versatile option if you frequently relocate or travel internationally.
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