M5StickC compatible speaker, integrated PAM8303 amplifier (3w single channel type D power amplifier), High PSRR and differential inputs eliminate noise and rf interference, thus it has the characteristics of simple functions and high audio reproduction.
Ultra-low EMI interference, 20dB better than FCC class B standard at 300MHz
Voltage 5 v power supply, with 4 Ω load power output 3 w, 10% of the total harmonic distortion.
Ultra-low noise without input
Power range: 2.8V～5.5V
1x SPK Hat