Headphones amplifiers — Pro-Ject Head Box S3 B

Specifications

• Model name

  Head Box S3 B

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

  820

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

  N/A

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

  300

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

  N/A

• Frequency response low +/- 3dB (Hz)

  20

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

  20 000

• Gain (dBu)

  15

• THD (% at 1V RMS, 300 ohms)

  115

• Signal to Noise Ratio (dB)

  0.002

• IMD (%, CCIR, 300 Ohms)

  N/A

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

  N/A

• Output Impedance (Ohms)

  >8

• Dimensions (mm)

  206 x 55 x 153

• Weight (kg)

  0.95

• Official link

  https://www.project-audio.com/en/product/head-box-s3-b/