5 Pcs Tda2030A Digital Audio Power Amplifier Board Module,Power Input Mode 6-12V Module features: Onboard TDA2030A audio amplifier chip Mono 18W power amplifier circuit design Onboard 10K adjustable resistor, you can adjust the amplified volumeSpecification: Operating voltage: 6 ~ 12V Board size:L:32mm x W:24mm x H:25mm Module weight: 14g/pcsPackage including: 5pcs x Power amplifier board module Product Features Material:Audio amplifier module is made of electronic parts, nickel-plated surface, internal conductor: pure copper. Design: onboard TDA2030A audio power amplifier chip. Mono 18W power amplifier circuit design. Large areas of copper and dense vias will increase heat dissipation. High output and low power consumption. Even if the output is short-circuited, the plate will not be burned out, so it is safer to use this plate. Features: Power amplifier board module has overheat protection.The onboard 10K adjustable resistor can adjust the amplification volume. With on-board power indicator. The pin of the chip has been turned on, and the audio signal can be input directly. Size and weight:Audio amplifier module size: 32 (mm) x 24 (mm) x 25 (mm) length x width x height. Weight: 14g/pcs After-sales service: If you have any questions about our products, you can contact us, and we will provide you with a complete solution within 24 hours. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!