<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p>Features:<br/>1.Made of durable material, which can ensure the long-term stability and reliable operation of the device<br/>2. Using TPA6132 headphone amplifier chip, perfect for enhancing your listening experience.<br/>3. Can be used as headphone amplification, can also be used as amplifier preamplification<br/>4. Suitable for music lovers and professionals seeking to optimize their audio systems.<br/>5. This amplifier board can be installed into the device to provide excellent performance for immersive sound experience.</p><p>Parameter:<br/>Input working voltage: DC 2.3-5.5V<br/>Output power: 25mw<br/>Module size: 18*13mm</p><p>Gain adjustment resistor description:<br/>R4,R6 yes, R3,R5 no: 6db (default is this)<br/>R3,R6 yes, R4,R5 no: 3db<br/>R4,R5 yes, R3,R6 no: 0db<br/>R3,R5 yes, R4,R6 no: -6db<br/>It means that there is a resistor or not on top of the board, and setting the gain resistor can be replaced by a jumper (that is, directly shorted and disconnected)</p><p>Package include:<br/>Module*1<br/><br/></p></div></div><p><br/></p>