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WMYCONGCONG 10 PCS Super Mini PAM8403 Module 2 3W Class D Digital Amplifier Board Amplifier Module Board 2.5-5V Input USB Power Supply

Product ID: B07JXB8N4X Condition: New

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Product Description

PAM8403 mini digital amplifier board, unique class D digital powerless board with non-LC filter, can be powered directly from the computer's USB.
Operating voltage: 2.5V-5.5V.
Two-channel stereo, 5V power supply, 3W+3W output power, can directly drive 4Ω, 8Ω small speaker.
Double-panel wiring, properly solve the ground potential balance caused by wiring and crosstalk between channels, ultra-miniature design, can be easily placed in the internal small space of various digital products, the amplification efficiency is super high.
What you receive: 10 x Super Mini Digital Power Amplifiers Board, practical tools for you, which can also meet your various needs, enough for you to change and replace.

Specification:
Product Name: Super Mini Digital Power Amplifiers Board
Operating voltage: 2.5V-5.5V
Power: 3W
IC: PAM8403
PCB Size: 21 x 18mm/0.8 x 0.7"(L*W)
Material: PCB, Alluminum
Color: Green, Silver Tone
Note: The "negative" of the left and right channel output terminals cannot be connected together, otherwise the IC will be burned, and the speaker (load) should be connected before power-on.

Package Content:
10 x Super Mini Digital Power Amplifiers Board.