• Using LM4881 headphone amplifier chip, the maximum output power can reach 160mw, with volume adjustment (with power switch function) can also be used as a power amplifier preamplifier.
• The board is designed with 3.5 headphone jack output and 2.54mm header output, which can be selected according to different needs.
• Working voltage: DC 3.6v-12v
• Board size: 50mm*25mm
• Maximum output power: 160mw*160mw