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Tube Headphone Amp: for XLR, 4.4mm, 6.35mm HiFi Headphones, Stereo Preamplifier for Amplifiers, Speakers, Home Desktop Audio System, with VU Meter & German Valvo Vacuum Tubes (E2)
- Diverse Headphone Compatibility: Drive any headphones (16-600) via triple jacksXLR/4.4mm/6.35mmplus a 6.35mm-to-3.5mm adapter. Achieve 2000mW power with dual TPA6120 chips, delivering studio-grade clarity for demanding models like Sennheiser HD650 or Beyerdynamic DT 990.
- German Valvo Tube Sound Signature: Military-grade German Valvo ECF801 tubes operate at 175V for immersive, warm audio. Experience classic tube warmth with rare components, reproducing vinyl-like richness for jazz, orchestral, and vocal tracks.
- Dual-Mode Preamp Flexibility: Switch effortlessly between RCA audio sources. Use as a standalone HiFi preamplifier, headphone amp, or both simultaneouslyperfect for studio monitors/desktop speakers while privately monitoring via headphones.
- Timeless Aesthetic Design: Walnut wood panels, vintage VU meters, and exposed vacuum tubes blend retro-industrial elegance. Enhances desks, studios, or living spaces as a functional art piece.
- Customizable Op-Amp & Premium Parts: Swap the LME49720 op-amp (compatible with Muses02/2604/2134) for personalized sound. Upgraded with Japanese ALPS potentiometers and German WIMA capacitorseven repurposed components ensure audiophile-grade signal purity.
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Overview
Specs
Reviews
Product description Douk Audio E2 Tube Headphone Amp Immersive Valvo Tube Sound for Any Headphones German Valvo TubesXLR/ 4.4 mm/ 6.35 mm JacksDual PreampVU MetersSwappable Op-Amp Studio-Grade Power for Any Headphones (16-600) Dual TPA6120s output 2000mW, powering HD650/DT990 via XLR/ 4.4 / 6.35 mm jacks. Military-Grade Valvo Tubes at 175V Voltage Rare ECF801 reproduce vinyl-like richness. Ideal for jazz/orchestral immersion with zero fatigue. Drive Speakers + Headphones Simultaneously Switch RCA sources instantly; As preamp, headphone amp, or both for studio and private listening. Walnut Wood, VU Meters & Exposed Tubes Vintage look, modern performanceenhances any desk or studio with style and function.
Audiophile-Grade Customization Swap LME49720 op-amp (Muses02/2604 compatible); upgraded with ALPS pots & WIMA caps. Universal Headphone Drive German Tube Warmth Dual-Mode Preamp Retro-Industrial Art Op-Amp & Components For Various Headphones For Desktop Amplifiers For Studio Monitors Front Back Side Top Bottom Parameters Brand: Douk
Audio Model: E2
Audio input: 2 groups of stereo RCA
Audio output: Stereo RCA / 4-pin XLR & 4.4 mm & 6.35 mm headphone jack
Frequency response: 20Hz-20kHz (± 0.5 dB)
THD+N: 0.02 %
SNR: 110dB
Matched headphone impedance: 16-600
Headphone output power: Low
gain (L): 0.55W
High gain (H): 2W
RCA output level: Low
gain (L): 4.3V;
High gain (H): 8.4V
Input sensitivity: 2V
Working voltage: DC 15V / 3A
Dimensions (W*D*H): 95*92*50mm / 3.74 * 3.62 * 1.97 in
Package dimensions (W*D*H): 280*230*110mm / 11.02 * 9.05 * 4.33 in
Net weight: 1.17 kg / 2.58 lb
Package weight: 1.6 kg / 3.53 lb Can all 3 headphone jacks be used at once? Can RCA output and headphones work together? Is the op-amp upgradeable? What power adapter is required? Does the unit contain reused parts? Douk Audio E2 Douk Audio & Nobsound Tube
Headphone Amp Feature: Class A Tube Amp 2 groups of RCA
Audio input: 2 groups of RCA RCA/XLR/ 4.4 / 6.35 mm
Audio output: Banana speaker jacks Douk Audio F5 Learn More Douk Audio A5 PRO Learn More Douk Audio T4 PRO Learn More Douk Audio VU3 PRO Learn More
Audiophile-Grade Customization Swap LME49720 op-amp (Muses02/2604 compatible); upgraded with ALPS pots & WIMA caps. Universal Headphone Drive German Tube Warmth Dual-Mode Preamp Retro-Industrial Art Op-Amp & Components For Various Headphones For Desktop Amplifiers For Studio Monitors Front Back Side Top Bottom Parameters Brand: Douk
Audio Model: E2
Audio input: 2 groups of stereo RCA
Audio output: Stereo RCA / 4-pin XLR & 4.4 mm & 6.35 mm headphone jack
Frequency response: 20Hz-20kHz (± 0.5 dB)
THD+N: 0.02 %
SNR: 110dB
Matched headphone impedance: 16-600
Headphone output power: Low
gain (L): 0.55W
High gain (H): 2W
RCA output level: Low
gain (L): 4.3V;
High gain (H): 8.4V
Input sensitivity: 2V
Working voltage: DC 15V / 3A
Dimensions (W*D*H): 95*92*50mm / 3.74 * 3.62 * 1.97 in
Package dimensions (W*D*H): 280*230*110mm / 11.02 * 9.05 * 4.33 in
Net weight: 1.17 kg / 2.58 lb
Package weight: 1.6 kg / 3.53 lb Can all 3 headphone jacks be used at once? Can RCA output and headphones work together? Is the op-amp upgradeable? What power adapter is required? Does the unit contain reused parts? Douk Audio E2 Douk Audio & Nobsound Tube
Headphone Amp Feature: Class A Tube Amp 2 groups of RCA
Audio input: 2 groups of RCA RCA/XLR/ 4.4 / 6.35 mm
Audio output: Banana speaker jacks Douk Audio F5 Learn More Douk Audio A5 PRO Learn More Douk Audio T4 PRO Learn More Douk Audio VU3 PRO Learn More
Warranty & Returns
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Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 90 days
- This item is covered by EmpressTech Return Policy
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