AJMRTC 2Pcs PAM8403 Bluetooth 4.0 Amplifier Module, 3W+3W Stereo Class D Audio Amp Board, Micro USB DC5V Powered Wireless Receiver for DIY Speaker, Sound Box, Electronic Audio Project

AJMRTC PAM8403 Bluetooth 4.0 stereo amplifier module comes in a set of two boards. It combines Bluetooth audio decoding and Class D power amplification on one compact PCB, delivering 3W + 3W RMS stereo output under DC 5V power supply. Powered conveniently through the Micro USB connector, you can run it from USB wall adapters, power banks, laptop USB ports and other standard 5V USB sources. The module supports speaker loads between 4 ohms and 8 ohms, producing clean stereo sound with minimal distortion. It pairs wirelessly with smartphones, tablets and laptops over Bluetooth 4.0 for lossy audio playback. Built with short-circuit and thermal protection, it improves reliability during long-time operation. It is a perfect choice for hobbyists and students to build custom portable Bluetooth speakers, desktop sound boxes, small stereo systems and STEM audio experiment projects.

Specifications:

1. Brand: AJMRTC
2. Quantity: 2Pcs
3. Chipset: PAM8403
4. Bluetooth Version: 4.0
5. Supply Voltage: DC 5V (Micro USB)
6. Output Power: 3W + 3W Stereo
7. Amplifier Type: Class D Digital Amp
8. Speaker Impedance: 4 - 8
9. Feature: Wireless Audio Receive, Low Heat, Compact Size
10. Application: DIY Bluetooth Speaker, Sound Box, Audio Electronic Project