Enhance your audio experience with our PAM8403 Mini Type D Digital Power Amplifier, designed for compact integration in a variety of digital devices. This high-efficiency amplifier delivers clear and powerful sound output while occupying minimal space, making it ideal for use in portable speakers, LCD TVs, monitors, laptops, DVD players, game players, and phones. Key Features: · Compact Mini Size: Measuring only 2.3 x 1.8 cm (0.9 x 0.7 in) and weighing approximately 2g, this amplifier easily fits into small spaces without compromising performance. · Wide Voltage Compatibility: Operates within 2.5V to 5.5V DC, powered conveniently by USB 5V from computers, phone chargers, or lithium batteries—ensure correct polarity and voltage not exceeding 5.5V for optimal safety. · High Amplification Efficiency: Achieves up to 90% efficiency, delivering robust 3W output per channel (left and right) when paired with a 4Ω load and 5V power supply, providing clear stereo sound without distortion. · Type D Amplifier Advantages: Maintains excellent sound quality regardless of temperature, eliminating the need for bulky heat sinks and improving thermal management. · Built-In Noise Reduction Circuit: Eliminates noise during power on/off transitions for a clean audio experience, ensuring uninterrupted listening pleasure. · Comprehensive Protection Features: Equipped with short circuit, over current, and over temperature protection to improve device reliability and user safety. · Wide Speaker Compatibility: Supports speakers with an impedance range between 4Ω and 8Ω (4Ω recommended), and speaker power ratings from 2W to 8W. Specifications: · Working Voltage: 2.5V–5.5V DC (maximum 5.5V, polarity sensitive) · Suitable Speaker Impedance: 4–8Ω (recommended 4Ω) · Speaker Power: 2–8W · Dimensions: 2.3 x 1.8 cm (0.9 x 0.7 in) · Weight: Approx. 2g · Quantity: 5 pieces Package Includes: · 5 x PAM8403 Mini Type D Digital Power Amplifier This PAM8403 Mini Power Amplifier is an ideal solution for those seeking compact, efficient, and reliable amplification for various digital audio devices. Its superior performance, ease of integration, and advanced protection features make it a perfect choice for enhancing audio output in a wide range of applications.