12v 24v Ne5532 Low-pass Filter Subwoofer

Free USPS First Class Shipping. Features: 1, adjust the potentiometer selected Hermetically, inputs and outputs use pure copper terminals, wiring is very convenient. 2, selected NE5532, welded IC holder can always replace the amplifier, experience different effects to enhance playability. 3, design of the LED Real-time monitoring the power supply situation. 4, PCB board design simple and beautiful, reasonable wiring, making the board has a very high signal to noise ratio, strong anti-interference ability. when no signal input close to the speaker almost hear the noise. Main parameters: Power supply voltage: DC12V-24V DC single power supply Frequency range: 22Hz-300Hz Audio input: mono or two-channel Audio output: monaural PCB Size: 78x32mm, thickness: 1.6mm PCB Materials: FR-4 ultra-hard glass plate Finished plate net weight: 30g Plate mounting holes center to center spacing: 70x24mm, hole diameter: 3.2mm Potentiometer shaft center to center spacing: 32.5mm Package included:  1 x Low-pass Filter NE5532 (with 2 rotary potentiometer cap) Payment 1. We accept PAYPAL only. 2. Payment must be made within 7 days of auction closing (Unpaid dispute will automatically open when item is not paid in 7 days). 3. PLEASE NOTE: SHIPPING&HANDING DOES NOT INCLUDE DUTIES, LOCATL TAXES OR ANY OTHER IMPORTATION FEES. 4. Please list your special requests (color, packages, value of declaration, etc.) in the EBAY NOTES SECTION when you make payment We offer USPS First Class Shipping / Not Ecomomy - There is a big difference between USPS First Class Shipping and Economy Shipping - Our orders are shipped every day and delivered within 3-8 days Returns Policy 1. Customer satisfaction is our top goal. All products are quality checked. They are new and in good condition when shipped to our customers. If product is defective or damage upon arrival, or wrong product shipped, please keep in touch with us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap.Otherwise deal is final. Return shipping must be paid by buyer. 2. Please keep in touch with us first if you have anyproblems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner. 3. We appreciate your Positive Feedback, and will do the same in return. PLEASE DO NOT leave negative feedback without first communication with us. Please allow max 24 HOURS for us to respond About Feedback We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.It is impossible to address issues if we do not know about them!

Returns Accepted for this item if it's within 30 Days