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A separation from common * The power amplifier uses the TPA3116 chip. Actual output power can reach 50W per channel, 2 channels total 100W (24V power supply), equipped with 12V5A power supply. The output power is 30 W * 2 (4 ohms) when connected to 8 ohms. The power is approx. 15W * 2. If you need more power, you can configure the power supply yourself. Make sure not to exceed 24 V. Otherwise the chip will be burned out and the power supply should not be too small, since power = voltage * current if the current output is less than 50W. There may be a power failure. * Amplifier output: The power amplifier is a fixed resistance power amplifier. There passive 4/6/8/16 ohm audio / horn. It cannot be heard with computer audio and. It is not for passive subwoofer settings. The 4 columns behind the power amplifier are exhaustion points. 3.5 mm and other headphone or lotus plugs * Vehicle modification: Conventional 12 V batteries for cars and motorcycles can be modified and supplied directly. Large 24V batteries such as large trucks are not recommended as the voltage will exceed 24V after the vehicle is started. Unless the voltage is reduced by other devices, the power amplifier is too hot. Long-term use is not good for the chip, even if it is burned out. If you want to make changes to the car or use battery power, etc., the power amplifier connector size must be 5.5 * 2.5mm or 5.5 * 2.1mm Specification: * 100% brand new and high quality * Product name: TPA3116 Stereo Digital Power Amplifier Board Power output: 50W + 50W * Power supply: DC 9-24V * Current:> 3A * Bluetooth: Bluetooth 5.0, at least 12 meters * Number of voices: 2.0 stereo * Optional color: black or silver * Optional power supply: US plug or EU plug Package contents: Option 1: * 1 x digital power amplifier Option 2: * 1 x power adapter Feedback Payment Shipment About us Feedback We appreciate positive feedback . we always try our best to service our customers . so if you have ant question ,PLEASE DON’T HESITATE TO TELL US, we are always here to offer help . Payment We prefer PayPal .For purchasing multiple items , please contact us for a combined invoice . generally we would like to receive payment thin 48 hours if . Shipment We provide airmail service with good package . The items will be shipped within the nest 2 business days after we received the payment . when you buy multiple items ,your shipping cost will be combined with discount . SHIPPING TIME (weekends/holidays excluded) Country Name Shipping Time Country Name Shipping Time USA/Canada 10 -15d Spanish/Portugue 10-25d East/South Asia 10 -15d France/West Asia 10-25d United Kingdom 10 -20d Italy 10-30d Australia/New Zealand 10 -15d West Asia/Middle East 15-25d Most Country of West/North Europe 10-20d South America and Africa 15-30d East /Middle Europe/Russia 10-25d About us NEW, GOOD QUALITY, ORIGINAL PACKAGE LARGE STORE AND THE LOWEST PRICE NO-QUESTION-REFUND, FOR LARGE QUANTITY ,OFFER BETTER PRICE, ORIGINAL PACKING(TAPE REEL/TUBE/TRAY） We specialize in electronic components . ICs, Capacitors, Diodes, Resistors, LEDs, Transistors, and so on. Especially in Hard To Find Parts . we only sell NEW , ORIGINAL parts . please buy with confidence .We offer NO-QUESTION-REFUND go to my store