Antonio’s Burson V7 Classic Opamp with xDuoo XD-05 Pro

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Post Info

The music sounds fantastic so far—it’s as if I’m right there in the room where it’s being performed. The quality and atmosphere are so immersive that it feels like I’m experiencing the performance firsthand.

The System

Listening with

xDuoo XD-05 Pro · DAC / headphone amp: portable modular DAC / balanced headphone amp (swappable DAC & OP cards, 2025)
  • Frequency response: 20 Hz – 20 kHz (+0.5 dB)
  • Output power (XLR / SE): 32 Ω 2 W / 2 W · 300 Ω 0.93 W / 0.24 W
  • Output impedance: 5 Ω (SE); <=0.4 Ω (balanced)
  • Output voltage: RCA 2.0 V (aux out) · XLR 4.0 V (balanced line out)
  • Outputs: 6.35 mm SE; 4.4 mm balanced; SE + balanced line out
  • DAC / chipset: ESS ES9039SPRO (stock DAC card; AK4499EX / ROHM / WM8741 cards optional)
  • Other: power at THD+N <1%; THD+N 0.0007%; S/N >=120 dB; 13600 mAh battery; 0.78 kg

[1] [2]

Burson

Burson V7 Classic Opamp

Specs from manufacturer data unless a source below says otherwise. “calc.” values are worked out from those figures (V = √(P × R); 110 dB SPL used as a loud reference level). Gear listed without specs is not in our spec library yet.

  1. xDuoo XD-05 Pro: apos.audio (retailer)
  2. xDuoo XD-05 Pro: linsoul.com (retailer)