On-Stage Stands HA4000
Pro Headphone Amplifier

OUR PART #  HA4000


The On-Stage Stands HA4000 is a professional 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.

On-Stage Stands HA4000 Features:

  • 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 (included)

On-Stage Stands HA4000 Specifications:

  • Length: 6.9 in
  • Width: 5.71 in
  • Height: 2.76 in
  • Weight: 1.3 lbs

On-Stage Stands HA4000
Pro Headphone Amplifier

OUR PART #  HA4000

Product Information:

The On-Stage Stands HA4000 is a professional 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.

On-Stage Stands HA4000 Features:

  • 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 (included)

On-Stage Stands HA4000 Specifications:

  • Length: 6.9 in
  • Width: 5.71 in
  • Height: 2.76 in
  • Weight: 1.3 lbs
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