82D05 Circuit speaker 5V Digital channel Amplifier Bluetooth

82D05 Circuit Speaker 5V Digital Channel Amplifier Bluetooth is a compact, energy-efficient audio amplifier designed for modern sound systems. Powered by a 5V DC supply, this amplifier delivers crisp, distortion-free sound while maintaining excellent Bluetooth connectivity. Its small size makes it ideal for portable speakers, DIY audio projects, and home entertainment applications. This digital amplifier uses Class D technology, ensuring high efficiency with minimal heat generation. The module integrates Bluetooth 5.0, allowing wireless streaming from smartphones, tablets, and computers. It combines convenience, low power consumption, and superior sound quality in a single circuit board. Key Features Operating Voltage: 5V DC for USB or portable power banks Dual Channel (Stereo) digital output for balanced sound Supports Bluetooth / AUX / USB inputs Bluetooth Version 5.0 for stable, low-latency connections Output Power: Up to 2×15W depending on speaker load Frequency Range: 20Hz–20kHz for full-band clarity Built-in Protection: Overload, short-circuit, and over-voltage Compact, lightweight PCB with easy installation This module is suitable for hobbyists, students, and professionals who want to create compact wireless speaker systems with reliable and high-quality sound. Technical Data Sheet:82D05 Circuit speaker 5V Digital channel Amplifier Bluetooth Parameter Specification Model 82D05 Supply Voltage 5V DC Output Channels Dual (Stereo) Bluetooth Version 5.0 Output Power 2×15W Max Frequency Response 20Hz–20kHz Signal-to-Noise Ratio ≥90dB Dimensions 65mm × 45mm × 18mm Weight Approx. 50g Protection Overload / Overheat / Short-Circuit