Presonus HP4

Presonus HP4, headphone amplifier with 4 independent channels, each providing 150mW amplification. Additionally, the level for monitors can be adjusted, with monitor mute switching and mono switching available. There is the possibility to interconnect an infinite number of amplifiers of this type.

• stereo left/right input 1/4" TRS balanced:
  • frequency response: 20 Hz - 20 kHz, +/-0.5 dB
  • impedance: 10 kΩ
  • maximum input level: +18 dBu, < 0.5% THD+N, unity gain
  • THD: 0.0025%, 1 kHz, unity gain
• 4 x headphone outputs 1/4" TRS stereo:
  • frequency response: 20 Hz - 20 kHz, ±0.5 dB, 60Ω Load
  • impedance range: 32 Ω to 600 Ω
  • maximum output level: 130 mW/Channel.
  • THD+N: below 0.5% at 60 Ω
• 2 x monitoring/headphone outputs
• headphone level control: 12 steps/channel
• mono switching, monitor mute
• dimensions: 14 x 14 x 4.5 cm
• weight: 0.45 kg