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Pro-Ject Head Box S USB Headphone Amplifier
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Pro-Ject Head Box S USB Headphone Amplifier

£132.46 Exc. VAT |  


Project Head Box S USB Headphone Amplifier

Available in black or silver

The Head Box S USB from Box Design by Pro-Ject Audio is the same high-grade headphone pre-amplifier as it's sister product, the Head Box S; except now it has the added benefit of a built-in USB D/A Converter. Now add your favourite digital music stored on your computer to your Hi-Fi quality headphone system with great ease - using just one box.

This fantastic product is great for a 'desktop' system using a laptop or PC, but it can also offer an audiophile upgrade to headphone ports that are often built into other Hi-Fi components.

By separating out this section, you can get a much-improved performance from your headphones.

Key Features:

  • Headphone Pre-Amplifier with one Headphone Output
  • Variable volume control on the front panel
  • USB stage to connect with your computer's music library
  • Great desk-top accessory or upgrade for 'built-in' headphone ports







Power Output:
350mW (30Ω)
60mW (300Ω)
Headphone Connection: >30Ω
Signal-to-Noise (Full Output): 112dB (A-weighted)
Frequency Response: 20Hz - 20kHz  / 0.7dB, 0dB
THD: 0.002%
Gain: 9dB
Headphone Jack: 3-pole 1/4" (6.3mm) Co-axial Jack
Line-Level Input: 1 pair RCA/Phono Sockets
D/A Converter:
Burr-Brown PCM2702E
16-bit Delta Sigma, 8-fach Oversampling
Oversampling Rates: 44.1kHz and 48kHz
USB Input: 5-Pin Mini-B Connector (cable supplied)
USB Signal: Digital Serial Data Protocol USB 1.1
Operating Systems:
Windows XP® and Up
Mac OS®
Outboard Power Supply: 18V / 500mA DC
Power Consumption: 250mA DC, <1W in Standby
Dimensions (W x H x D): 103 x 36 x 103
103 x 36 x 109 (incl. Sockets)
Weight: 600g (without PSU)

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01733 350 878
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