Headphones
Source
Speakers & Hifi

Topping DX3 Pro+ DAC & Headphone Amplifier

Color
Black
Silver


Specifications
  • Bluetooth 5.0: Qualcomm’s QCC5125 Chip
  • Decoding Chip: ES9038Q2M
  • USB In
    • PCM: 44.1kHz-768kHz / 16bit-32bit
    • DSD (Native): DSD64-DSD512
    • DSD (DoP): DSD64-DSD256
  • COAX / OPT in
    • PCM: 44.1kHz-192kHz / 16bit-24bit
    • DSD (Native): Not Supported
    • DSD (DoP): DSD64
  • Bluetooth In
    • PCM: AAX, SBC, aptX, aptX LL, aptX HD, LDAC
    • DSD (Native): Not Supported
    • DSD (DoP): Not Supported
  • THD+N @1kHz (A-wt): <0.00015%
  • THD @20-200kHz (90kBW): <0.00020%
  • SNR: 122dB
  • DNR: 122dB
  • Frequency response 
    • 20Hz-20kHz (±0.3dB)
    • 20Hz-40kHz (±0.7dB)
  • Output level: 2.1Vrms @0dBFS
  • Noise (A-wt): <1.8uVrms
  • Channel crosstalk @1kHz: -137dB
  • Channel balance: 0.3dB
  • Output impedance: 20Ω

DX3 Pro+ Headphone Amplifier Specs

  • THD+N @1kHz (A-wt)
    • <0.00015% @Output=1500mW (32Ω)
    • <0.00013% @Output=160mW (300Ω)
  • THD @20-200kHz (90kBW)
    • <0.0005% @Output=1500mW (32Ω)
    • <0.0005% @Output=160mW (300Ω)
  • SNR: 120dB
  • DNR: 120dB
  • Frequency response 
    • 20Hz-20kHz (±0.3dB)
    • 20Hz-40kHz (±0.7dB)
  • Output level
    • 5.5Vpp @G=L
    • 21.5Vpp @G=H
  • Noise (A-wt) 
    • <2.1uVrms @G=L
    • <7.0uVrms @G=H
  • Channel crosstalk @1kHz: -90dB
  • Gain
    • 6dB (Vrms/FS) @G=L
    • 19dB (Vrms/FS) @G=H
  • Output impedance: <0.1Ω
  • Output power
    • 1800mW x2 @32Ω THD+N <0.1%
    • 900mW x2 @64Ω THD+N <0.1% 
    • 250mW x2 @300Ω THD+N <0.1%
  • Adapter impedance: >8Ω 
  • Dimensions: 6.5” x 4.7” x 1.5” (16.5 x 12 x 4 cm)