DC 5V 2 Channels Stereo 3W+3W Digital Power PAM8403 Module Class D Audio Amplifier Board USB Power Ultra-miniature Design

1.Advanced Micro Devices, volume: 1.85 * 2.11cm

2.Excellent noise suppression in the case is not connected to the input audio, the ear close to the speaker can not hear any noise3.Two-channel stereo, 5V power supply can output 3W +3 W power, can directly drive 4Ω 8Ω small speaker output power, full of energy, good sound quality.4.Unique without LC filter Class D digital power board, and can be used directly to the computer’s USB powered.5.Dual-panel wiring, properly solve the crosstalk between the ground potential balance and channel wiring6.Ultra-miniature design, can easily be placed in the internal space for a variety of digital products, ultra high zoom efficiency.7.All using the machine for the entire board soldering, hand soldering iron welding quality comparable!8.Rated working voltage 2.5-5V, limit operating voltage 5.5V.

Note: The left and right channel output of the “negative” can not, and then together, otherwise it will burn the IC and energized speaker (load) connected before.