Single Supply 2.1 Triple-Channel Audiophile Subwoofer

Detailed Information About The Product:1. Since The Human Voice Also Contains Signal Components Below 200hz, And Is Limited By The Parameters Of The Speaker And Cabinet, The Bass Channel Cannot Completely Eliminate The Human Voice, As Is The Case With Similar Products;2. This Product Needs To Be Paired With A Power Amplifier To Drive The Speaker. The Performance Of The Bass Is Closely Related To The Frequency Response Of The Speaker And The Structure Of The Cabinet. The Effect Is Not Determined Only By The Low-Pass Board.3. Easy To Install, Adjustable And More Convenient;4. The Op Amp Socket And Op Amp Socket Design Make It Possible To Change The Sound Style By Replacing Different Types Of Op Amps.5. Precision Voltage Stabilization, Small And High-Precision Design, Pure Sound And Fast Response1. Product Name: 2.0+0.1 Low-Pass Filter Preamp Board2. Chip Model: NE5532 78M123. Input Voltage: DC 12-30V; AC 9-20V4. Architecture: Dual 5532; 2.0 Full Tone + 0.1 Bass5. Frequency Range: Full Tone 20-20KHz; Bass 20-200Hz6. Function: 2.0+0.1 Volume Controllable, Bass Frequency Phase Adjustable7. Product Size: About 98x40mm8. Product Model: WM-019_standard Version Finished Board9. Material: PCB10. Colour:As ShownNote:Different Batches May Have Differences In Product Appearance, Color, s, Which Will Not Affect The UsePackage Contents:1 x Standard Version Finished Board Main BoardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.About UsWe provide the good product with the best price,we support Wholesale/Drop Shipping Order1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it.2. For Wholesale/Drop Shipping orders, if you have any ideas about the price or package,please contact us in advance,we will give you the best service to satisfy your demands.About Shipments1.We will send out the orders ASAP once your payment is completed normally.2.Please write your complete delivery address with correct phone number and zip code, especially please confirm your full name.About After-sale ServiceWe are reliable seller and we have our professional after-sale service for all of our customs. If there is any question about the order,please contact us in advance ,we will always here until you get a happy answer.About Feedback1. Please check the package and item when you get carefully to make sure there is no problem.2. If you have any problem or are not entirely satisfied with your package,please don';t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you.3. If there is no problem, please leave us five star positive feedback.Your affirmation is our greatest motivation ! !

We confidently assure you'll be satisfied with what you get.However, If  there's a chance that you are not satisfied with our goods or something else, please let us know before leaving us a Negative feedback. We will try our best for 100% customer satisfaction. Your 5-Star Positive Feedback is much appreciated to us, and your satisfaction is our greatest motivation to move forward.Welcome to Shop Here! Want more Items? Please come & visit our SHOP.

*Shipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 5 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer).Your satisfaction is our first priority.

*If you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.