What is the Behringer MicroAMP HA400 and who is it for?

The Behringer MicroAMP HA400 is a compact 4-channel stereo headphone amplifier designed to distribute a single audio signal to up to four pairs of headphones. It's perfect for home studios, practice spaces, or small live setups where multiple musicians or listeners need to monitor the same audio source with individual volume control. Its simple design makes it ideal for anyone needing more headphone outputs.

How do I connect my audio source and headphones to the HA400?

You connect your audio source, such as a mixer, audio interface, or stereo playback device, to the single 1/4" TRS stereo input on the HA400. Then, plug up to four pairs of headphones into the individual 1/4" TRS outputs. Each headphone output has its own dedicated volume knob for personalized listening levels, making setup straightforward.

Can each person control their own headphone volume?

Yes, absolutely! The HA400 features a dedicated volume control knob for each of its four output channels. This allows every user to independently adjust their headphone level to their preferred comfort, ensuring everyone can hear clearly without affecting others. This individual control is a key feature for collaborative listening or monitoring.

What kind of power supply does the HA400 use?

The Behringer MicroAMP HA400 comes with its own 12V DC power supply, so you'll have everything you need to get started right out of the box. Simply plug it into a standard wall outlet and connect it to the HA400 to power the unit. No need to purchase a separate power adapter.

Is the HA400 portable and easy to integrate into a setup?

Yes, the HA400 is designed to be very compact and lightweight, weighing only 0.38 lbs. Its small desktop form factor (4.06" W x 2.25" D x 1.83" H) makes it easy to place on any desk or studio rack. Its simple 1-in/4-out design ensures quick integration into almost any audio setup, from home studios to mobile rigs.

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Behringer MicroAMP HA400 4-channel Headphone Amp

Name: MicroAMP HA400 4-channel Headphone Amp
Brand: Behringer
Rating: 4 (69 reviews)

4-channel Headphone Amp with 1/4" Stereo I/O

Item ID: HA400

Behringer MicroAMP HA400 4-channel Headphone Amp

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Compact Headphone Amp

Looking for an easy and small solution to headphone distribution issues? The ultra-compact Behringer MicroAMP HA400 is a great sounding, simple solution. Simply plug in your stereo mix and then connect up to four headphones, each with their own volume controls. It doesn't get any easier. Use the Behringer MicroAMP HA400 headphone amp to get the signal out to your headphones.

Behringer MicroAMP HA400 Features at a Glance:

4 stereo headphone outputs with volume control
Small and compact
DC 12 V adapter included

Offer applies only to single-receipt qualifying purchases. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

The estimated required monthly payment shown which excludes taxes and delivery equals the amount financed divided by the number of months in the promo period, rounded up to the next cent. During the last month(s) of the promo period the required monthly payment may be reduced due to this rounding. These payments apply only with the financing offer shown. If you make these payments by the due date each month, you should pay off this amount financed within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

Applies only to select items from this manufacturer. Ask your Sweetwater Sales Engineer for more details.

Behringer MicroAMP HA400 4-channel Headphone Amp

Compact Headphone Amp

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