A HiFi digital power amplifier board with Bluetooth 5.0 and AUX input, delivering 50W per channel in a dual-channel configuration. With AM interference suppression and filtering, the board achieves THD as low as 0.1% even at sustained high-power output, producing clear, detailed sound.

The board includes protective panels on both sides and comprehensive protection circuitry. It works with 4–8 ohm passive speakers (30–200W) and can connect wirelessly to Raspberry Pi, smartphones, and other Bluetooth-enabled devices.

Key Features

• 50W × 2 Output – Dual-channel amplification for stereo sound
• Bluetooth 5.0 – Wireless audio streaming from phones, Pi, and other devices
• AUX Input – Wired audio connection option
• Low THD – 0.1% distortion with AM interference suppression and filtering
• Volume Control Knob – Onboard potentiometer for level adjustment
• Protective Panels – Top and bottom acrylic covers included

Specifications

• Output Power – 50W × 2 channels
• Operating Voltage – DC 5–27V
• Speaker Impedance – 4–8 ohm
• Speaker Power Rating – 30–200W passive speakers
• THD – ≤0.1%
• Input – Bluetooth 5.0 + AUX

Protection Features

• Overvoltage protection
• Undervoltage protection
• Overheating protection
• Short circuit protection
• DC detection

Ideal For

• DIY Bluetooth speaker builds
• Raspberry Pi audio projects
• Desktop and workshop audio systems
• Custom HiFi amplifier builds

Package Contents

• 1× HiFi Digital Bluetooth Amplifier Board (50W × 2)
• Protective panels (top and bottom)