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Headphones amplifiers — Pro-Ject Head Box E

Description, images, technical data and specifications

Pro-Ject Head Box E
Image source — © Pro-Ject

The Pro-Ject Head Box E headphone amplifier offers rich sound with high dynamics and transparency. The declared power is 665 mW when working with headphones with a nominal impedance of 32 ohms and supports headphones with an impedance of 8 to 600 ohms. The frequency range is from 20 Hz to 80 kHz (± 0.2 dB). The gain is 11 dB, and the signal-to-noise ratio is -105 dBV. The output impedance of the amplifier is less than 1 ohm, and the total harmonic distortion and noise (THD + N) is less than 0.005%.

Specifications

  • Model name

    Head Box E

  • Maximum Power, 32 Ohms (mW RMS per channel)

    765

  • Maximum Power, 50 Ohms (mW RMS per channel)

    N/A

  • Maximum Power, 300 Ohms (mW RMS per channel)

    N/A

  • Maximum Power, 600 Ohms (mW RMS per channel)

    N/A

  • Frequency response low +/- 3dB (Hz)

    20

  • Frequency response high +/- 3dB (Hz)

    80000

  • Gain (dBu)

    11

  • THD (% at 1V RMS, 300 ohms)

    0.005

  • Signal to Noise Ratio (dB)

    105

  • IMD (%, CCIR, 300 Ohms)

    N/A

  • Crosstalk (dB, 20Hz-20KHz, 300 Ohms)

    65

  • Output Impedance (Ohms)

    N/A

  • Dimensions (mm)

    103 x 37 x 120

  • Weight (g)

    390

  • Official link

    https://www.project-audio.com/de/produkt/head-box-e/

Pro-Ject Head Box S2 Digital

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    Pro-Ject Head Box S2 Digital

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    The Pro-Ject Head Box S2 headphone amplifier is small in size and can be easily installed on a desktop or near an audio system. At the same time, in terms of sound quality, this device is in no way inferior to larger models and is able to work with various models of headphones.

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