10Pcs/5pcs/1pc PAM8403 Audio 2x3W Mini Digital Power Amplifier Board for Class D Stereo Audio Amplifier Module 5V Power

Description 1 Dimension 1 85 2 15cm2 Work Voltage 2 5V 5V Limit Voltage 5 5V3 Excellent noise suppression4 Large output power good sound quality5 Double channel stereo 5V power supply and can output 3W 3W power and can directly drive 4 ohm8 ohm speakers6 Class D digital power boards without LC filter could be powered by computer USB7 Dual panel wiring wiring properly solve the crosstalk caused by ground potential balance and inter channel8 Miniature design can be easily placed into a variety of digital productsNote The left and right channel output of the negative can not be connected in parallel otherwise it will burn out IC and before electrification should be first connect the speaker load Package Include 1pc 5pcs 10pcsx Audio Amplifier Board Quantity Optional