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
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.
Headphone Amplifier Board*1
1.We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2.Orders will be processed instantly and dispatched within 1-2 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3.All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.
1.We accept PayPal payment ONLY, and must be received within 5 days from the date of purchase.
2. It is easy and safe for you to pay by credit cards, debit cards, bank transfers and PayPal account balances.
3.Buyers are responsible for import duties,custom fees and taxes, if any, please check your country.
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 or resend the item to you after the returned item arrived at our warehouse.
3. Please include your eBay ID and item number with any email requests.