Product Related

Product Related



New DC12V-18V Earphone Amplifier Single Power Supply DIY High-quality Audio


Product parameters:
Weight: 105g
Working voltage:
DC12V-18V
Specification of plug used: outer ring 5.5mm inner ring 2.1mm
Input polarity: external negative internal positive
PCB board size: length = 83.1mm, width = 45mm

Sound quality effect: can play the sound quality


Friendly tips:
1. The circuit schematic diagram and installation instructions are attached.
2. This product has no power supply.

3. Pay special attention to the polarity and voltage of the power supply. 

Improper selection will burn the IC. Secondly, noise and ripple size are the keys to sound quality.

Quantity: 1pcs







Shipping
Our shipping cost includes the cost of the packaging box, the materials used to protect the product and/or all other materials used during the processing of the product, residential shipping fee, and handling fee. 


Payment
Before you bid, we want to let you know that we accept Paypal Only. Please pay for it as soon as possible after you win the bid. We would send it out in the current work day, or the next work day.

Return Policy
We guarantee refund cash in 30 days. But the buyer should afford the shipping charges.

Our Guarantee
100% brand new
100% speed shipment
100% customer satisfaction


Shipping
Our shipping cost includes the cost of the packaging box, the materials used to protect the product and/or all other materials used during the processing of the product, residential shipping fee, and handling fee. 
Payment
Before you bid, we want to let you know that we accept Paypal Only. Please pay for it as soon as possible after you win the bid. We would send it out in the current work day, or the next work day.
Return Policy
We guarantee refund cash in 30 days. But the buyer should afford the shipping charges.
Our Guarantee

100% brand new
100% speed shipment
100% customer satisfaction


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