<p style="margin-bottom: 1em; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, &quot;Helvetica Neue&quot;, Helvetica, sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: #242729; background-color: #ffffff;">Important: Add R10, R9 to you circuit. Best way - use different power suply for mp3 module and ampflifier:</p>
<p style="margin-bottom: 1em; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, &quot;Helvetica Neue&quot;, Helvetica, sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: #242729; background-color: #ffffff;">-for mp3 3.3V DC, -for ampflifier 5V DC</p>