Description: This is a mini 2 channels 3w amplifier with PAM8403. It is perfect for MP3/MP4/notebook. And you could also power the board with 5V USB power supply. 1. Power supply: DC2.5-5.5 V. 2. Output power: 3W + 3W (4Ω). 3. SNR: 90dB. 4. Efficiency: > 90%. 5. Size: 15.5×24 mm. NOTE: 1. Single lithium battery or USB power supply is suitable, also can use four sections of 1.5V battery, if use with the transformer power supply,it must add 5V voltage circuit, more than 6V will burn IC out. 2. + and - of power supply can't be reversed, power supply voltage can't be more than 6V, otherwise it will damage the IC. 3. there were high gain buffers, can't change any board device parameters, do not accord with the parameters of the IC will lead to damage. 4. input wire please use shielding wire, can rise anti-interference function, eliminate clutter current sound. 5. output is CMOS BTL drive mode,4 wire is completely independent, don't connect together! Package Included: 10PCS 2 Channels 3W PAM8403 Class D Audio Amplifier Board Contact usReturn PolicyFeedbackContact 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. Return Policy We believe our items are so outstanding. We are convinced you will be happy with your Purchase. 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. Please include your eBay ID and item number with any email requests. Feedback * When you satisfied with our product and services please leave us positive feedback. * 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.On Jun 16, 2023 at 06:59:16 PDT, seller added the following information:
Price: 4.17 USD
Location: 深圳, 廣東省
End Time: 2024-08-16T13:10:30.000Z
Shipping Cost: 3 USD
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Item Specifics
Restocking Fee: No
Return shipping will be paid by: Seller
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Brand: Unbranded/Generic
MPN: Does not apply
UPC: Does not apply
EAN: Does not apply
