2 x 3W D-Type Super Mini Digital Amplifier Board - Green (2.5~5V)
USB powered 2.5~5V; Great noise reduction; Dual-channel stereo sound; 5V power supply can output 2 x 3W power drive 4ohm / 8ohm speaker; Great sound effect; No LC filter; Dual-side wire laying anti-interference; Suitable for various digital products; One-piece soldering by machine