Portable USB headphone amps

Specs as supplied by the manufacturer.

Peachtree Shift $299

Portable USB DAC and Headphone Amplifier

 

Audio Signal Compatibility
PCM 16, 24 and 32-bit @ 44.1, 48, 88.2, 96, 176.4, 192, 352.8 and 384kHz
DSD @ 2.8 and 5.6 MHz

 

Specifications
Signal-to-Noise Ratio: 103dB unweighted (20Hz-22kHz)
Output Impedance: 1Ω
Headphone Output Level (@1kHz):

  • 230mW into 16Ω
  • 136mW into 32Ω
  • 65mW into 300Ω
Line Output Level: 1.8Vrms
Added 2016