82D05 Circuit Speaker 12V Digital Channel Amplifier Bluetooth

•  is a high-performance mini audio module designed for users who seek excellent sound clarity and stable wireless connectivity. With its compact yet powerful design, this digital amplifier ensures efficient sound amplification for speakers in DIY projects, home audio setups, and portable systems.

• operates on a 12V DC power supply, delivering clean and distortion-free sound output through its high-efficiency digital circuit. The integrated Bluetooth connectivity allows users to pair smartphones, tablets, or computers wirelessly, eliminating the need for complicated wiring while maintaining superior audio quality.

• This amplifier board supports multiple input modes including Bluetooth, AUX, and USB, making it versatile for various audio sources. Its low-noise design and thermal stability ensure consistent performance even during long operation hours. The built-in over-voltage and short-circuit protection features enhance its safety and reliability.

• Ideal for electronic hobbyists, students, and technicians, this module can be easily embedded into speaker boxes, car audio systems, or DIY sound projects. It is lightweight, easy to install, and provides excellent signal-to-noise ratio, ensuring crisp treble and deep bass tones.

Features:

• Operating Voltage: 12V DC

• Output Type: Dual Channel (Stereo)

• Input Modes: Bluetooth / AUX / USB / TF Card

• Bluetooth Version: 5.0 with fast pairing and low power consumption

• Protection: Overload, short-circuit, and over-voltage protection

• Frequency Response: 20Hz – 20kHz

• Output Power: Up to 2×50W depending on speaker impedance

• Size: Compact PCB design suitable for enclosure integration

Data Sheet: