http://www.circuitstoday.com/10w-amplifier-using-tda2003
-нема да го изгори ако го пушташ со осетhttp://www.eleccircuit.com/lm386-audio-amplifier-circuit/
http://pdf1.alldatasheet.com/datasheet-pdf/view/19417/PHILIPS/TDA7052.html
http://www.aliexpress.com/item/PAM8610-digital-power-amplifier-board-2-x15w-dual-channel-stereo-class-D-power-amplifier-board-power/32495370047.html?spm=2114.01010208.3.275.C0ymsE&ws_ab_test=searchweb201556_1,searchweb201644_4_505_506_503_504_502_10001_10002_10016_10005_10006_10003_10004,searchweb201560_1,searchweb1451318400_-1,searchweb1451318411_6451&btsid=121f6a01-581c-4541-b950-8ac02e0438e6
бидејќи ти е ограничена струјата од батеријата, нема д апрегори звучникот, а и далеку е од 15вати термичка моќмност...http://www.aliexpress.com/item/PAM8403-Ultra-Miniature-Digital-Power-Amplifier-Board-Class-D-2channelsx3W/32584675513.html?spm=2114.01010208.3.1.C0ymsE&ws_ab_test=searchweb201556_1,searchweb201644_4_505_506_503_504_502_10001_10002_10016_10005_10006_10003_10004,searchweb201560_1,searchweb1451318400_-1,searchweb1451318411_6451&btsid=121f6a01-581c-4541-b950-8ac02e0438e6
Ако баш сакаш сам да го направиш:http://www.electroschematics.com/5591/max9730-2-4w-class-g-power-amplifier/
http://www.ebay.com/itm/111855723941