Pro-Ject head box S2

Pro-Ject head box S2

139 €
VAT included

Headphone amplifier


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A High End microamplifier for headphones and an absolute “audiophile bargain”. This is how its creators define the Pro-Ject Head Box S2, an exquisite piece of electronics designed to redefine the sound quality of listening in the privacy provided by devices such as personal computers or smartphones, both products for which the sound quality has been always secondary, as its audio sections lack sufficient power to fully exploit the possibilities of the latest generation headphones. Equipped with two headphone jacks (which can be used simultaneously) and an RCA input, it delivers a power of 725 mW that allows you to reach very high sound pressure levels with all types of headphones and combine them with outstanding dynamics and transparency. As is the norm at Pro-Ject , inside the Head Box S2 we find high-quality components selected for their sound qualities, to which is added, also as usual in the Austrian firm, an all-metal construction that gives it so much appeal. aesthetic as well as robust protection against all types of mechanical vibrations and electromagnetic interference.


  • Headphone amplifier with exceptional quality/price ratio.
  • Executed with high quality components.
  • Equipped with headphone jacks for 6.35 mm and 3.5 mm jack.
  • Possibility of using both headphone outputs simultaneously.
  • Bridged output (RCA) for connecting an external amplifier.
  • Output power: 725 mW @ 32 Ohm.
  • Frequency response: 20 - 80,000 Hz, +/-0.2 dB.
  • Signal to noise ratio: 110 dB.
  • All-metal construction.
  • Dimensions: 103 x 37 x 120 mm (W x H x D).
  • Weight: 365g (without power supply).
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