Portable USB headphone amps

Specs as supplied by the manufacturer.

Aurender Flow $1,295


32bit/384kHz , DSD64/128 DAC

Can be fittes with a SSD up to 1TB.

The SSD acts as USB storages for the computer, you can't play from it on the Flow itself.


Input USB 3.0 ( Audio Class 2.0)
Input2 SPDIF Optical
Output 1/4 inch/6.35mm Headphone Jack
Volume Control  -110dB ~ 0dB, Velocity Sensitive Operation
mSATA Slot Optional mSATA storage up to 1TB
Output Impedance 0.06 Ohm Max
THD+N Max -114dB
IMD(SMPTE) Max -112dB
SPDIF Mode(Optic) up to 24bit/192kHz
​PCM Mode(USB) up to 32bit/384kHz​
​DSD Mode(USB) ​DSD64, DSD128 / Dop Mode
​DAC Chip ESS9018K2M​
Play Time​ 7+ Hours​
Battery​ SAMSUNG SDI 4450 mAh​
​Weight ​450g(1.0 Pounds)
Output Power THD+N 0.0002%​
43 mW/600 ohms, 87 mW/300 ohms,
320 mW/60 ohms,
380 mW/32 ohms,
​THD+N  (1kHz 5.1V rms output) 0.0002%​
Dynamic Rage​ Max 122dB​
​Damping Factor >130​
Dimensions    ​ ​80 x 137 x 28 (mm)
3.1 x 5.4 x 1.1 (inches)


Added 3/2015