Bluetooth 5.0 Stereo Amplifier Board with USB AUX Input for Passive Speakers

Bring powerful, flexible stereo sound to your next audio project with this Bluetooth amplifier board built for easy wireless and wired playback. Featuring Bluetooth 5.0 plus USB and AUX inputs, it gives DIY builders and audio enthusiasts multiple ways to connect their favorite sources. The TPA3116D2-based stereo amplifier module supports dual-channel output and passive speakers rated 20–200W at 2–8Ω. With the right DC9–24V power supply, output can reach up to 90W per channel at 24V/4Ω, making it a capable compact solution for custom speaker systems.

Key Features

• TPA3116D2 amplifier board delivers efficient left/right stereo amplification with AM interference suppression.
• Bluetooth 5.0 offers wireless transmission up to 15m in unobstructed conditions.
• USB, AUX and Bluetooth inputs provide versatile source connectivity.
• Supports DC9–24V/5A or higher power supplies and 2–8Ω passive speakers.
• Built-in over-voltage, under-voltage, overheating, DC detection and short-circuit protection helps safeguard your setup.
  
  

Why Choose Our 100W+100W Bluetooth 5.0 Stereo Amplifier Board

Instead of limiting your setup to one audio source, this digital audio amplifier combines wireless Bluetooth with convenient USB and AUX connectivity in one compact 100 x 77 x 22mm unit. Its flexible voltage and speaker compatibility makes it easy to tailor output to your DIY audio system.

Perfect For

• DIY passive speaker builds and upgrades
• Custom home stereo systems
• Desktop and workshop audio projects
• Rebuilding or modernizing older speaker setups
• Electronics enthusiasts creating compact sound systems
  
  

Build Better Sound Your Way

Upgrade your audio project with flexible connectivity, powerful stereo output and dependable protection. Order the 100W+100W Bluetooth 5.0 Stereo Amplifier Board and give your passive speakers the versatile amplification they deserve.