portable amplifier mini mixer audio line 1 input 4 output Audio stereo Amplifier Apply to all headphones 12V DJ Mixer
ID: 910

portable amplifier mini mixer audio line 1 input 4 output Audio stereo Amplifier Apply to all headphones 12V DJ Mixer

4.8 (19 votes) | 24 orders
US $68.25 / piece
HA400 ultra-compact 4-channel stereo headphone amplifier   4-channel stereo headphone amplifier for all models of headphones 4 high power stereo amplifiers Even in the big volume can also get the best sound quality Each channel is equipped with output level Ultra-low noise 4580 operational amplifier to ensure that the sound even better With the supply of 12V DC power adapter If you want to track multiple musicians at once, or if each member of the group wants to listen to playback, you need a listener to allocate the system. The compact, flexible HA400 can drive up to 4 pairs of headphones and up to 4 independent volumes.

Combined use

You can use this ultra-compact stereo headphone amplifier with any of the four headphones.

The four listeners in the studio can listen to the main mix while recording, and each speaker can use the dedicated output level control to adjust their volume.

The HA400 includes four high-power stereo amplifiers that maintain the highest sound quality at maximum volume.

The ultra-low noise 4580 op amp has outstanding audio performance, which is the same as the op amp on a full-size audio device and also provides a DC 12V adapter.


Compact 4-channel stereo headphone amplifierCan be used for up to four headphones at the same time thomann i.e. for simultaneous listening of main mix with s

eparate volume control. Comes with four powerful stereo amplifiers that deliver outstanding performance at any volume. Clear sound with ultra low-noise 4580 operational amplifiers that are used in 19" studio equipment.


Separate volume control for each channel
1 Input with 6.3 thomann mm stereo jack
Input impedance 100 Ohm
4 outputs with 6.3 mm stereo jakcs
Output impedance 80 Ohm
Dimensions (W x H x D): 103 x 46.5 x 57.2 mm
12 Volt power supply included

Packaging Details

  • Unit Type: piece
  • Package Weight: 0.45kg (0.99lb.)
  • Package Size: 11cm x 6cm x 6cm (4.33in x 2.36in x 2.36in)

  • Channels: 4
  • Bluetooth: No
  • Package: YES
  • Output Type: LINE OUT (AUDIO OUT)
  • Model Number: HA-002
  • WIFI: No
  • Built-in Battery: No
  • Recommended Headphone Maximum Impedance: 81-100 Ohm
  • Type: Mini Amplifier
  • Output Power: other
  • Input Type: LINE IN (AUDIO IN)
  • Body Material: Metal
  • Brand Name: DAOI
  • Output Type: TRS
  • Input Type: other


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time(45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of CNTRONIC Consumer Electronics Retailer (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of cntronic.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

You may also like these products