Ivan’s Burson V5i Opamp with xDuoo XD-05 Plus

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Perfect bass! With Burson, my XDuoo starts to play as top audio devices!

The System

Listening with

xDuoo XD-05 Plus · DAC / headphone amp: portable DAC / headphone amp (battery) · discontinued
  • Frequency response: amp 10 Hz – 100 kHz (±0.5 dB); USB/SPDIF 20 Hz – 20 kHz (±0.5 dB)
  • Output power (headphone): 32 Ω 1 W
  • Output impedance: not published
  • Gain: not published
  • Inputs: USB (PCM 384 kHz/32-bit, DSD256); optical/coax (192/24); aux in
  • Outputs: headphone (SE)
  • DAC / chipset: AKM AK4493EQ; XMOS XU208 USB
  • Other: S/N 117 dB; THD+N 0.0016% (digital) / 0.0009% (aux); crosstalk >=75 dB; 5000 mAh battery

[1]

Burson

Burson V5i Opamp · Discrete opamp (single / dual) · current
  • Supply voltage: ±5 V / 10 VDC to ±16 V / 32 VDC (absolute maximum)
  • Gain-bandwidth product: 50 MHz (at 100 kHz)
  • Dual or single: dual and single
  • Package: 11 mm wide × 11 mm deep × 7.3 mm high

[2] [3]

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 Plus: archived page (web.archive.org)
  2. Burson V5i Opamp datasheet V1.0
  3. Burson V5i Opamp product page