Audio amplifier mini / amplifier PAM8403, 2-channel, 3W, 5V

Amplifier module with a universal two-channel amplifier that is supplied with a voltage of 5 V. It enables the connection of loudspeakers from 4 Ω to 8 Ω with an output of 3 W each.

Overview:

• Power: DC (DC): 3.6 V-5.5 V
• Output power: 3 W + 3 W (4 Ω)
• Efficiency: 90 %
• Signal-to-noise ratio: 90dB
• Positioning hole size: 20 mm
• Grid spacing: 2 mm
• Number of channels: 2
• Power supply: 2.5 V to 5.0 V / 1 A
• integrated buffer amplifier with high amplification effect
• integrated short-circuit protection. 
• Size: approx.  24mm x 15.5mm x 3.3mm

Notes:

1. Positive and negative power supply cannot be reversed, the supply voltage must not exceed 5.5V, these two violations may cause IC damage. 
2. Please try to use a shielded audio input cable that eliminates noise. 
3. For the CMOS output, do not connect the speakers together, but connect the left and right speakers separately to the respective plus and minus contacts.

Scope of delivery: 

• 1x Mini audio amplifier PAM8403, 2-channel, 3W, 5V