On-Stage HA4000 Pro Headphone Amplifier

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Write a review Q&A SKU: OS-HA4000 Solotech ID#: 67434
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Regular price $42.95 USD

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On-Stage HA4000 Pro Headphone Amplifier

With the HA4000 4-channel headphone amplifier, up to four people can listen to a recorded take at the same time, while being able to adjust their own individual headphone volume. High quality sound is maintained even at full volume. The HA4000 is also great to use during playing or recording, allowing listeners to hear the main mix.


  • Max output level: +22dB
  • Signal to noise ratio: >98dB
  • Input connector: 1/4" TRS stereo
  • Output connector: 1/4" TRS stereo
  • Input impedance: 1000KO (unbalanced)
  • Output impedance: minimum 10O each channel
  • Max gain: 20dB per channel
  • Power supply: 12-18v DC adapter


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