Photo 1 of Taidacent DC 3.6v-12v LM4881 Headphone Amplifier Board 3.5 mm Headphone Jack Amplifier with Volume Adjustment Can Be Used as Pre-Amplifier

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Photo 1 of Taidacent DC 3.6v-12v LM4881 Headphone Amplifier Board 3.5 mm Headphone Jack Amplifier with Volume Adjustment Can Be Used as Pre-AmplifierPhoto 2 of Taidacent DC 3.6v-12v LM4881 Headphone Amplifier Board 3.5 mm Headphone Jack Amplifier with Volume Adjustment Can Be Used as Pre-Amplifier