Digital amplifier module 3 W x 2

Model: PAM8403.
Class D 3 W x 2 digital amplifier module.
Model Number: PAM8403 module
Size: 1.85 * 2.11 cm
Note: The left and right channel output of the "negative" and can not be connected to each other, otherwise it will burn the IC, and must be preceded by the connected (load) speakers.

TECHNICAL SPECIFICATIONS
Output power: 3 W x 2 (10% THD)
Operating voltage: 2.5 - 5.5 V
Operating voltage limit 5.5 V.
Speaker impedance: 4 ohm
Low EMI
No additional filtering required
low noise
Efficiency up to 90%
thermal auto shutdown
reduced size