Enhance your audio projects with the high-performance AD828 Preamplifier Board, designed for versatility and ease of use. Crafted with premium PCB materials, this preamplifier board ensures reliable operation, compact design, and excellent maintenance capabilities. Its advanced features and robust construction make it an ideal choice for both professional and DIY audio amplification applications. Key Features: · Single Power Supply Design: Equipped with an imported brand infinite capacitor for input coupling and a voltage regulator chip, this board simplifies power management by operating efficiently with a single power supply, making it easy to pair with single power amplifiers. · SMD Technology & Dual Power Input: Manufactured using Surface-Mount Device (SMD) technology, the board includes a rectifier bridge allowing it to accept both AC and DC power inputs, providing greater flexibility and convenience. · Polarity-Free DC Input: No need to separate positive and negative poles when using DC input, enhancing ease of installation and reducing wiring errors. · Integrated Volume Potentiometer: Features a built-in volume potentiometer for precise and stable volume control, delivering consistent audio performance. · High-Quality PCB Material: Constructed from superior PCB materials, the board offers excellent reliability, miniaturization, and interchangeability, ensuring long-term durability and easy maintenance. Specifications: · Item Type: Preamplifier Board · Material: PCB · Model: AD828 · Working Voltage: DC 7V-24V or AC 6V-16V Package Includes: · 1 x AD828 Preamplifier Board This AD828 Preamplifier Board combines advanced technology and quality materials to provide a reliable and user-friendly audio amplification solution. Its flexible power input options and stable volume control make it suitable for a wide range of audio projects, enhancing sound clarity and performance.