3W Audio Amplifier Board

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Dual channel stereo output 3W which also features a 3W power class D amplifier High amplification efficiency 85% Can directly drive 4 O/8 O small speakers Operating Voltage: 2.5 to 5 VDC Sound processor: PAM8403 The 3W Audio Amplifier Board has a dual channel stereo output 3W and also features a 3W power class D amplifier. Show more