Drive power of Duoo XD-05 became little lower after the install of V5i-D, overall sound quality is suit for what I am expected (human sound little bit backward, better sound atmosphere.)
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 (this post uses the dual)
- Package: 11 mm wide × 11 mm deep × 7.3 mm high
[2] [3]
