Description: 1X NE5532 OP Amp Low Pass Filter Board Subwoofer Filter Amplifier PreampProduct Image: Product 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 FeedbackWarrantyShipmentFeedbackWe appreciate your feedback very much. As it will motivate us do better. If you have any questions with our goods or service, Please kindly contact us firstly before leaving negative feedback. Thank you in advance Warranty1. All merchandise will be carefully test before shipping. We will try our best to avoid any quality problem. 2. We promise warranty for quality in one year and we will repair it free of charge. The returning shipping should be paid by customer. 3. If you are not satisfied with the product, Please contact us. We'll provide you a satisfying solution.Shipment1.Normmly we will send the goods within 1-3 working days after your payment is verified . 2.Please check if the goods are in good condition and sign before the delivery man leaves.If you find the product is lost or damaged on the way. Please take photo and let the delivery men confirm it. Then we will help you let the shipping company compensate you.On Sep-10-20 at 06:07:20 PDT, seller added the following information:
Price: 5.97 USD
Location: 深圳, 廣東省
End Time: 2024-08-10T13:01:03.000Z
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
