Feliks Audio Envy
The Envy blends incisive dynamics with a warm, lush midrange, delivering tactile detail, holographic imaging and vivid vocal presence from its 300B Class A design. Convince Me Audio found it especially compelling with Susvara, while MajorHifi praised its spacious, precisely layered presentation. This is a beautifully built statement amp for revealing headphones that thrive on power and character.
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Nicely Roasted
Sound Quality
91/100
Build Quality
90/100
Value for Money
83/100
Pros
Highly resolved, punchy presentation with prominent attack, holographic imaging and convincing instrumental separation.
Warm, lush and tactile tonality with clear vocals, controlled treble and improved bass body on suitable headphones.
Drives demanding headphones such as HIFIMAN Susvara and Abyss models particularly well, with strong liveliness and scale.
Premium metal-and-wood construction with balanced and RCA connectivity plus preamp outputs.
Cons
High price and optional upgrades can make it less compelling as an all-headphone value proposition.
Dan Clark Stealth pairing may lack sufficient current at higher levels, with breakup and reduced bass performance reported.
Requires extensive break-in to reach its best resolution, staging and tonal performance.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 91/100
Reviewers hear an unusually resolved, tactile and emotionally involving tube presentation, combining clear leading edges with warmth and color rather than a soft or diffuse vintage character. Its spatial performance is notably vivid, while its power delivery is excellent with many headphones but not universal with the most demanding low-sensitivity designs.
Transparency Resolution
94/100
Audiophilepure found that dense reverb did not fog transparency or soften focus, while Convince Me Audio called the Envy very resolving, more detailed than the Cayin HA-300 Mk II, and holographic after break-in. MajorHifi likewise heard clear, pristine, precisely projected treble with the Diana MR.
Tonal Balance Musicality
92/100
MajorHifi describes a warm, lush signature, with a warmer and more tactile midrange from the HD800S and stronger bass response. Convince Me Audio also heard a chocolatey warmth and a lush, colored midrange that brought vocals vividly forward, while Audiophilepure praised the seductive tone of Rinaldi's voice.
Dynamics
86/100
The Envy is repeatedly described as punchy, incisive and visceral, and Audiophilepure reports music coming fully alive with compelling rhythmic drive. Its 5W output drove Susvara strongly for Convince Me Audio, but that reviewer found it ran out of current and broke up with the Dan Clark Stealth at high levels, a meaningful limitation with particularly difficult headphones.
Soundstage Imaging
92/100
Audiophilepure could clearly follow each player in a small orchestra, with the recording retaining focus even through dense reverb. MajorHifi heard convincing instrument placement and room space with the Diana MR, while Convince Me Audio described an intimate, front-and-center live presentation with surrounding audience ambience.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
90/100
The Envy is a substantial 15.1kg single-ended, transformer-coupled 300B design with selectable output impedance, balanced and RCA inputs, and both balanced and single-ended headphone outputs. MajorHifi praises its robust metal chassis and carefully finished oiled-walnut exterior, while reviewers also note the upgraded tubes and UPOCC signal wiring available with the Performance package.
Value for Money
83/100
At roughly €6,699 to €8,899 depending on configuration, the Envy is a costly specialist amplifier, and upgrades or premium finishes raise the outlay further. MajorHifi feels it can push suitable headphones toward their best, but Convince Me Audio considers it expensive for all-headphone sound-quality performance when competing Cayin amplifiers, specifically the HA-300 Mk II discussed in that review, are available.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
Online Reviews & Mentions
YouTube Reviews
Forum Mentions
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Specifications
- Upgrade Options
- Standard, Performance (+800€)
- Wood finish
- Oak, American Wallnut (+200€), Custom (+800€), Amazaque (+800€), Merbau (+800€), Sapele Mahogany (+800€), Zebrano (+800€)
- AC Voltage
- 230V, 120V
- Class
- A Single-ended transformer coupled amplifier
- Power tubes
- 300B
- Driver tubes
- PsVane CV-181 mk2 (6SN7)
- Inputs
- 2x unbalanced RCA (IN1, IN2) 1x balanced XLR (IN3)
- Input sensitivity
- 1V RMS
- Input impedance (RCA)
- 100kΩ
- Input impedance (XLR)
- 10kΩ
- Pre-amplifier outputs (RCA)
- 1x pair
- Pre-amplifier outputs (XLR)
- 1x pair
- Maximum output voltage
- 5V (RMS)
- Output impedance
- 600Ω
- THD (pre-amp outputs)
- <0,5%
- Impedance selector
- LO – up to 60Ω MID – up to 300Ω HI – up to 600Ω
- Amplifier impedance (LO)
- 32Ω load is 3,8Ω
- Amplifier impedance (MID)
- 100Ω load is 8,8Ω
- Amplifier impedance (HI)
- 600Ω is 20Ω
- Output power (MID, 16Ω)
- 5W
- THD (MID, 16Ω)
- ⩽1%
- Maximum output power (MID, 16Ω)
- 8W
- THD (MID, 16Ω, Max)
- >5%
- Frequency response
- 8Hz÷100kHz ±3dB 18Hz÷40kHz ±1dB
- Headphone outputs
- 6.3mm and XLR
- AC voltage
- 50/60Hz 230V (±5%) 115V (±5%)
- Power consumption
- 110VA
- Weight
- 15,1kg (without packaging)
- Dimensions (without tubes)
- 35x33x18,5cm (LxWxH)
- Dimensions (with tubes)
- 35x33x24,5cm (LxWxH)
- Box content (driver tubes)
- Matched pair of CV-181(6SN7)
- Box content (power tubes)
- Matched pair of 300B
- Box content
- AC cord User Manual Warranty Card
Manufacturer's Description — Feliks Audio
Class A Single-ended transformer coupled, balanced amplifier, powered by the legendary 300B tubes
- Developed to drive even the most demanding headphones with up to 8 Watts of power
- Exclusive finish and extensive customization options
- Multiple inputs and outputs for maximum functionality
- Balanced input / output XLR connections
Standard Edition includes :
- 300B power tubes
- Premium copper signal wiring
Performance Edition includes :
- Full Music 300B power tubes
- UPOCC (single crystal copper) signal wiring
Custom wood finish – please inquire via e-mail.
Verified Dealers
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Authorized dealers for Feliks Audio Envy
- Addicted to Audio — online and in-store — Epping, Victoria, Australia (website)
- ARK Audio — online and in-store — Borensberg, Östergötlands län, Sweden (website)
- Audeos — online and in-store — Żywiec, Województwo śląskie (website)
- Audio 46 — online and in-store — New York, New York, United States (website)
- Audio essence — online and in-store — Zürich, Zürich, Switzerland (website)
- AudioPerformance — online and in-store — Stenkullen, Västra Götalands län, Sweden (website)
- Bloom Audio — online and in-store — Gibbsboro, New Jersey, United States (website)
- CASQUES HEADPHONES — in-store — Lyon, Auvergne-Rhône-Alpes, France (website)
- Dedicated Audio — online and in-store — Scottsdale, Arizona, United States (website)
- Ears Unlimited — online and in-store — Delft, Zuid-Holland, Netherlands (website)
and 17 more verified dealers