Feliks Audio Echo Vibe | OTL Headphone Amplifier and Preamp

Handcrafted Warmth and Vibrant Detail — the Feliks Audio Echo Vibe Brings Classic Tube Soul to Modern High Impedance Listening

• Successor to Feliks Audio’s’ Echo MKII
• Offers classic warm tube sound with plenty of detail
• New capacitors provide major impact on dynamics
• Updated wood panels with CNC engraving
• Incredibly detailed presentation, very low noise levels, minimal AC interference

Vintage Tube Soul, Reimagined for Today’s Headphones

Meet the new Echo “Vibe”—a refreshed take on Feliks Audio’s beloved little amplifier, offering an unbeatable entry into the world of premium tube amplification.

Feliks Echo Vibe refines the soulful character of OTL tube amplification with upgraded internals and classic Polish craftsmanship. Its 6N6P/6N1P tube configuration delivers 350mW of power with 20dB of gain, making it a perfect match for high-impedance headphones from 80–600Ω. The result is a lush, natural sound with rich midrange texture, smooth treble, and expansive imaging.

With its enhanced shielding, improved capacitor layout, and handcrafted wood-panel design, the Echo Vibe brings timeless tube warmth and clarity into a clean, modern listening experience, perfect for those chasing the golden glow of tube-driven fidelity without leaving the desktop.

New Face-Lift

This renovated model boasts a beautiful new design, featuring an upgraded transformer housing that not only looks sleek but also enhances interference resistance. The refined wood panels, now with precision CNC engravings and integrated wooden stands, add a touch of elegance.

The real magic is inside—every capacitor has been upgraded, unlocking greater detail reproduction and livelier high-frequency dynamics in this OTL design. The Echo “Vibe” isn’t just an amp; it’s an invitation to experience your music with newfound depth and vibrancy.

Echo Vibe Features

• Broad frequency response
• Input and output safeguards eliminating power on / off noises
• Wooden, engraved walnut side panels
• Automatic bias circuit (no tube re-biasing needed)
• Preamp safe mode

Specifications

• Impedance: 100 kΩ
• Optimal headphones impedance: 80Ω – 600Ω
• Frequency response: 15 Hz – 45 Khz +/- 3 dB
• Power output: 350mW
• Amplification level: 20dB
• THD: 0.4 % (300Ω, 20 mW)
• Headphones output: 6.3mm
• Tubes: (x2) 6N6P, (x2) 6N1P
• Inputs: (x3) RCA
• Line Out (Preamp): (x1) RCA
• Weight: 7.7 lbs
• Dimensions: 8.7″ x 4.5″ x 10.4″ (w/o tubes)
• Feliks Audio Extended 3-Year Warranty

In the Box

• Beautifully hand-crafted Tube Amp
• (x2) driver tubes
• (x2) power tubes
• AC cord
• User Manual
• Warranty Card