PAM8403 2X3W Mini Audio Class D amplifier board arduino raspberry pi

SPECIFICATIONS

• Power: DC：3.6v－5.5V
• Output power: 3W 3 W 
• Signal-to-noise ratio: 90dB
• Efficiency:> 90%
• Special internal output processing circuit, eliminating the conventional LC network, than the LC lower EMI value;
• At a lower voltage to obtain the maximum power output, the super-power;
• Built-in standby electronic switch;
• Built-in high-gain buffer amplifier;
• Built-in short circuit protection.