Preamplifier Board Single Power Amplifier Module Subwoofer Amp with Volume Potentiometer AD828

Feature: 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 2. SMD Technology: Manufactured by SMD technology, the power input adds a rectifier bridge, which can be used for both AC and DC 3. 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 4. Volume Potentiometer: Preamplifier board come with volume potentiometer, which possess more stable performance 5. Good Quality PCB Materials: Good quality PCB materials possess reliability and miniaturization, good maintenance and interchangeability Specification: Item Type: Preamplifier Board Material: PCB Model: AD828 Working Voltage: DC 7V-24V or AC 6V-16V Package List: 1 x Preamplifier Board