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Behringer Microamp HA400 Headphone Amplifier

The Behringer HA400 Microamp is an ultra-compact 4-channel stereo headphone amplifier. Mini to the max! You can use the Behringer HA400 with practically all headphones.
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Product Description

The Behringer HA400 Microamp is an ultra-compact 4-channel stereo headphone amplifier.

Mini to the max! You can use the Behringer HA400 with practically all headphones - four of them at the same time, to be exact! For example, you can let up to 4 different people in your studio listen to the main mix while the recording is being made, and each listener can determine his own volume level using the dedicated output level controls. The HA400 contains 4 high-power stereo amplifiers that maintain the highest sonic quality even at maximum volume levels. Ultra low-noise 4580 operational amplifiers are included for outstanding audio performance—these are the same op amps found in full-size audio equipment—plus, a DC 12-Volt adapter is included.

If you are one of those musicians who like to deck out their equipment with lots of bells and whistles, the HA400 definitely makes a great addition to the functionality of your studio.

Behringer HA4000 Microamp Stereo Headphone Amplifier Features

  • 4-channel stereo headphone amplifier for use with all types of headphones
  • Four high-power stereo amplifiers
  • Highest sonic quality even at maximum volume
  • Output level control for each channel
  • Ultra low-noise 4580 operational amplifiers for outstanding audio performance
  • DC 12-Volt adapter included
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany

Product Specifications

Behringer HA400 MicroAMP Specifications

  • Type: 1/4-inch TRS connector, stereo
  • Impedance: 100 kOhms
  • Maximum Input Level: +15 dBu

    Headphone Outputs

  • Type: 1/4 inch TRS connector, stereo
  • Impedance: Approx. 80 Ohms
  • Maximum Output Level: Approx. 40 mW in 100 Ohms

    Power Supply

  • External power supply, 12 V, 150 mA
  • Power Range: 120V, 60Hz


  • Dimensions (approx.): 1-5/6 x 2-1/4 x 4-1/16 inches (46.5 x 57.2 x 103.6 mm)
  • Weight (approx.): 0.38 lbs. (190 g)

BEHRINGER is constantly striving to maintain the highest professional standards, As a result of these efforts, modifications may be made from time to time to existing products without prior notice. Specifications and appearance may differ from those listed or illustrated.

Helpful Info about the Manufacturer
Phone:  702-800-8290 Warranty:  1 Year (3 year when you register online at Behringer)
Flo-Town Productions from SC
Overall Rating
Ease of Use
Good product for the money
Your general opinion of this product.
Amp works as expected. It's clean sounding and does what you need. Nady Headphones that came with it are not worth your time. Purchase the amp and buy different headphones. The headphones feel cheap but the sound is awful!
Ease of Use
How easy is this product to use? How easy is the product to use with other products? Did it take long for you to learn to use this product? Was the manual helpful? How playable do you consider this product to be?
Plug it in and it works.
What do you consider to be the best features of this product? What features would you add to this product if you could?
Clean sounding and priced right to allow me to have several for different areas in the room
Was this item an overall good value?
great value on the amp. Poor value on the Nady headphones
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$24.99 - $54.99