DFRobot Bluetooth 4.2 Audio Receiver Board-w/ an Amplifier (2x5W)
Supports Bluetooth 4.2 with 15m transmission distance
Delivers powerful stereo sound with dual 5W amplifiers
Enters Bluetooth mode automatically upon power-up
Operates via micro USB or 3.7V lithium battery
Decodes WAV, APE, FLAC, and MP3 audio formats
The DFRobot Bluetooth 4.2 Audio Receiver Board-w/ an Amplifier (2x5W) is a compact and economical module featuring dual 5W power amplifier circuits. It supports auto-reconnect and can be powered via micro USB or a 3.7V lithium battery. When connected to two speakers, it transforms into a stereo Bluetooth speaker. The module enters Bluetooth mode upon power-up, and pairing is achieved by selecting "MH-M38" on a phone's Bluetooth settings.
Note: Use with a Lipo Charger board due to the absence of a lithium battery protection circuit. Ensure electrostatic protection to avoid damaging the sensitive Bluetooth chip.
1x Bluetooth 4.2 Audio Receiver Board with an Amplifier (2x5W)
20 x 45 mm / 0.79 x 1.77 inch
Power Supply: 3.7V - 5V
Bluetooth Version: 4.2
Transmission Distance: Up to 15m in visible conditions
Audio Decoding: Supports WAV, APE, FLAC, and MP3 formats
Compatible Speaker Impedance: 2-8Ω
Recommended Speaker Power: 3-5W (Optimal with 4Ω5W speaker)
