{"product_id":"pam8403-dc5v-3w-digital-amplifier-module-dual-channel-power-stereo-amplifier-board","title":"PAM8403 DC5V 3W Digital Amplifier Module Dual Channel Power Stereo Amplifier Board","description":"\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eSupply voltage: DC 2V-5.5V\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eDistortion rate : 1 (%)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eSignal to noise ratio: 90 (db)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eInput impedance: 2\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eOutput impedance: 4 (Ω)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eRated power : 3 (W)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eFrequency response: 100Hz-15KHz\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eEfficiency: \u0026gt;90%\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eNumber of channels: two channels\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003ePCB Size: 31x19mm\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1. The power supply voltage must not exceed the limit voltage of 5.5V. It is forbidden to reverse the power supply to avoid permanent damage to the chip.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2. This amplifier chip has built-in high-gain electronic volume control. Please adjust the volume to the middle position during debugging.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3. The maximum instantaneous dynamic current of this power amplifier board can reach 1.2A. It is strongly recommended to use a voltage of 5V and a power supply with a good filtering performance of 1A or more.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e4. The speaker must be properly installed. Do not test directly with the speaker without the box, otherwise the ideal effect will not be achieved.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e5. The output of this circuit is the BTL drive mode of the coms tube. The negative poles of the left and right speakers cannot be connected together, that is, the four lines connected to the speaker are completely independent and are not allowed to be shared.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003ePackage Included:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1 x 3W Stereo Amplifier Board\u003c\/span\u003e\u003c\/div\u003e\u003cbr\u003e\u003cimg alt=\"\" class=\"3W Stereo Amplifier Board\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/AC\/FD\/acf2bed7-cee2-461b-9bb0-c336732d6424.JPG\" title=\"3W Stereo Amplifier Board\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/CE\/30\/8177d355-509e-4777-b449-c14c78626ee5.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/80\/4A\/3f5b83f2-77e5-45a2-aff1-135826cd8a8a.JPG\"\u003e","brand":"Shopify","offers":[{"title":"Default Title","offer_id":14585058590764,"sku":"1417286","price":180.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/b401d3a8-5d69-46c7-901f-e06c4709f4d1_65979678-fa8f-4a61-9229-6b544c3e78b1.jpg?v=1582012426","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/pam8403-dc5v-3w-digital-amplifier-module-dual-channel-power-stereo-amplifier-board","provider":"Electronic Pro ","version":"1.0","type":"link"}