Preamplifier Board AC DC Amplifier Module For Home For Industry☜

Feature: \n 1. Single Power Supply: Input coupling capacitor uses imported brand infinite capacitors. The board is powered by a single power supply and has a voltage regulator chip, which is convenient to match with a single power amplifier\n2. SMD Technology: Manufactured by SMD technology, the power input adds a rectifier bridge, which can be used for both AC and DC\n3. No Need to Separate Poles: There is no need to separate the positive and negative poles when inputting DC, which is more convenient to use\n4. Volume Potentiometer: Preamplifier board come with volume potentiometer, which possess more stable performance\n5. Good Quality PCB Materials: Good quality PCB materials possess reliability and miniaturization, good maintenance and interchangeability \n\nSpecification: \n\nItem Type: Preamplifier Board\nMaterial: PCB\nModel: AD828\nWorking Voltage: DC 7V-24V or AC 6V-16V\n\nPackage List: \n 1 x Preamplifier Board \n\n1. Our listing price includes the value of goods,packaging :