MAX97220 Fever Grade Headphone Amplifier Board Preamplifier volume adjustment

MAX97220 fever grade headphone amplifier board can be used as a preamplifier with volume adjustment
 
Product Features
1.Adopt high performance MAX97220 chip, provide high fidelity audio amplification, pure and delicate sound quality.
2. Supports dual use as headphone amplifier and amplifier preamplifier, wider application scope.
3. Built-in precise volume adjustment function, convenient operation, to meet different listening needs.
4. Low distortion and high dynamic response design, suitable for Hi-Fi audio systems and professional audio equipment.
5. Strong stability, low heat generation, to ensure that long-time use still maintains excellent sound quality performance
 
Product parameters:
use MAX97220 headphone amplifier chip, can be used as headphone amplification, can also be used as an amplifier preamplifier. With power switch volume potentiometer.
Input voltage: DC2.5-5.5V (it is recommended to use a battery or linear regulated power supply, to avoid interference with the power supply to affect the effect)
Output power: 125mw
audio input/output/power supply input seat are 2.54mm pin holder, 3.5 headphone output seat for the use of 3-section headphone plug headphones.
 
Packing List
Headphone Amplifier Board*1

Domestic
We believe you need to get your purchases as quick as possible. As a general rule your item will be shipped within 24 hours of you purchasing it. We pack and post from Tuesday to Sunday (Mondays we are closed) but definitely get all our mail off to the post office first thing Monday morning for you. Mail gets picked up at 12pm so chances are if you buy before lunchtime your item will leave the same day.

International
Same as above but understand that depending on what part of the world you are from it does take a little longer to send, delivery can be from 7-15 working days. Also other factors to take into consideration are quarantine and customs regulations in your country. It is also a consideration that customs duties and GST/VAT may be payable at the buyers expense.

Combined Postage (for items with shipping charges):
We are more than happy to combine postage, just use the Buy it Now function in eBay (but DO NOT PAY after purchasing each item) to buy all the products you need, when you have finished request a combined invoice, we will base the shipping cost on the size, weight and your location.

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* If you have got the package, please confirm "Delivery on time" For us.

* If a problem occurs, contact us immediately with any email request.

* Just contact us using the " Ask the seller a question" link on eBay.

Your Satisfaction is our Priority. Our goal is to make all our customers as happy as possible while shopping with us.

 

  For anything problem about product, price, shipping or order status, pleasecontact us via eBay message.Just contact us using the " Ask the seller a question" link on eBay.
  We expect positive feedback and 5 scores DSR  from you. 

  1. We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
  2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund to you after the returned item arrived at our warehouse.
  3.  Please include your eBay ID and item number with any email requests.

 

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