Product desciption:
1: the use of Texas NE5532, degree of gold IC, can be replaced according to free op amp IC
2: The main filter capacitor using 1800UF / 16V, the coupling capacitor using the top capacitor 2.2UF
3: resistance selection of metal resistance, to ensure a good signal to noise ratio.
4: PCB with 1.6mm thick double-sided sheet, 2.0 oz thick copper, tin spray the whole process to ensure the size of the current through the performance. First-class PCB quality.
5: The board wiring is reasonable, beautiful, low current sound.
6: magnification: 3
7: Voltage: dual AC12V-0-12V
?Aftermarket commitments:
1, Our commitment to the sale of goods 100% integrity assurance, if you have any question for the products, please contact us directly,
our basically 24-hour online customer service will patiently answer you
2, If you are not satisfied with our products, you can request a refund or exchange.
We will actively coordinate and process your request. If the product does not work, we will full refund.
But require the buyer to return the product by advanced freight, we will refund the freight you pay after getting and confirming the product status.
On the sign:
Please carry out inspection before you sign to check the number of parts shortages or discrepancies, etc.;
If so, please contact us at the contact details on the express orders.