Description: Product parameters: The subwoofer board is powered by a single power supply and has a built-in dual power conversion chip. The board has both the simplicity of a single power supply and the effect of dual power supply. Using 2 SMD NE5532 op amp chips using SMD + plug-in technology, small size, stable performance, board design with frequency adjustment and volume adjustment. Two input 2.54mm headers: two sockets are connected in parallel, the stereo sound source is input to one of the sockets, and the other socket can be used as an output (connected to 2.0 power amplifier or 2.0 tones), which is convenient to form 2.1 channel wiring . Basic parameters: Working voltage: DC7-15V (DC input does not need to be divided into positive and negative, because the power input has a rectifier circuit), AC5-12V Frequency adjustment range: around 22HZ-280HZ (note that no human voice can be heard at this frequency) Board size: 50 * 50MM Distance between two potentiometers: 30MM Package included: 1PCS 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 Sep-10-20 at 06:12:19 PDT, seller added the following information:
Price: 5.98 USD
Location: 深圳, 廣東省
End Time: 2024-02-10T14:05:50.000Z
Shipping Cost: 3 USD
Product Images
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
MPN: Does Not Apply
UPC: Does not apply
EAN: Does not apply
