ขาย VUVz Mini class-D audio amplifier module (PAM8403) ราคาที่ดีที่สุด

Feature This is a class-D audio amplifier module which is used to amplify the audio with power supply as low as 2.5V. Also, the module built-in with noise reduction feature and short circuit protection. No heat sink is require for the module as the surrounding temperature does not reduce the sound quality. Note 1: Connection (LR: to audio input), (5V: Supply voltage), (Output: Two Speakers) Note 2: Please connect the speaker before powering up the module. Else, the high gain power signal might damage the chip. Specification Model: PAM8403 Class: D Operating Voltage: 2.5 to 5 VDC Recommend speaker spec: 4 to 8 ohm (prefer 4 ohm), speaker power: 2 to 8 W Efficeincy: 90 % Weight: 3 g Feature 1x Mini class-D audio amplifier module (PAM8403)