Speakers Module Converter With Power Input Mode 6-12V, Tda2030A Digital Audio Product Details 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 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. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.