Pro-Ject Head Box S USB Headphone Amp - Black

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  • audiophile grade headphone amplifier
  • integrated D/A conversion
  • RCA stereo + USB input (no driver required)
  • RCA output for uninterrupted signal through
  • 1/4” headphone input on front
  • suitable for headphones w/ low or high impedance
  • extremely low noise + distortion
  • full metal housing protects against interference
  • significantly better sound than standard headphone outputs from integrated amplifiers
  • DC power supply
  • also available in silver

“High quality amplifier modules are used to guarantee best possible headphone amplification and makes hearing your favourite digital or analogue music a real delight… Head Box S USB delivers natural dynamics, transparency and pure audiophile enjoyment.” - Pro-Ject 


  • A/D-converter: Burr Brown PCM2702E, 16-Bit Delta Sigma, 8-fach Oversampling
  • sampling rates: 44,1kHz and 48kHz
  • rate control and tap tempo: REC, PLAY, and STOP buttons for performance control over the sequencer and arpeggiator
  • USB 1.1 input: 5 pin mini b connector (USB cable included)
  • Win, Mac, Linux compatible
  • power output: 350mW/30 ohms, 60mW/300 ohms
  • output impedance: > 30 ohms
  • signal-to-noise ratio: 112dB - IEC -A at full output
  • gain: 9dB
  • dimensions: 4” x 1.4” x 4” / 103 x 36 x 103 mm
  • weight: 1.3 lbs / 600g