1. High-Quality Components for Superior Sound: The digital power amplifier board is equipped with a TDA7498 chip, ensuring top sound quality. Coupled with 2200UF/35V capacitors for power filtering, this amplifier delivers a clear and powerful audio experience, making it a perfect choice for hi-fi home audio stereo sound systems. 2. Robust with Premium Capacitors: The audio power amplifier board features Taiwanese signal main circuit electrolytic capacitors and SanYing electrolytic capacitors for main filtering. These high-quality components provide robust and continuous performance, ensuring your music sounds dynamic and full of life. 3. Precision and Noise Reduction: By utilizing five-ring metal resistors and precision chip resistors in the main circuit, the sound power amplifier boasts an excellent signal-to-noise ratio. This precision engineering ensures that your audio experience is as pure and noise-free as possible, enhancing the overall listening experience. 4. Efficient PCB Design: The digital audio amplifier is built on a 1.6mm thick double-sided PCB with 2.0 oz copper thickness and a full tin-spraying process. This design ensures good current conductivity for both large and small currents, contributing to the durability and efficiency of the amplifier. 5. First-Class PCB Quality for Reliability: The meticulous attention to PCB quality in the digital power amplifier board guarantees reliability and performance. With its superior components and construction, this amplifier is a perfect choice for audio enthusiasts looking for a high-performance stereo sound amplifier for their home audio system. Maximum Power Per Channel: 100W Channels: 2 (2.0) Working Class: Class D Quiescent Current: 50mA Work Efficiency: 90% Rated Output Power: 2x100W Frequency Response: 20Hz to 20KHz Working Voltage: DC20V to DC32V (recommended DC24V internal + external -) Maximum Output Current: 3A Color: Black Material: ABS Package Contents: 1x Digital power amplifier board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.