{"product_id":"zk-502c-bluetooth-5-0-amplifier-board-100w-dual-channel-audio-amp-board-password-free-connect-for-home-passive","title":"ZK-502C Bluetooth 5.0 Amplifier Board, 100w Dual Channel Audio Amp Board, Password Free Connect for Home Passive","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eZK-502C Bluetooth 5.0 Amplifier Board,100w Audio Amp Board Dual Channel DC8-24V, Password Free Connect to Phone Quietly for Home Passive Speakers TPA3116D2\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eZK-502C Bluetooth 5.0 Amplifier Board, 100w Dual Channel Audio Amp Board, Password Free Connect for Home Passive\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSpecification: Input Mode: Bluetooth \/ AUX Work Voltage: DC 5V-27V (Above 2A) Channel: 2 CH Stereo Output Bluetooth Version: Bluetooth 5.0 Bluetooth Transmission Distance: 50 Ft MAX Power Output: 50W x 2 Terminating Impedance: 4 - 8 Ohm Match Speaker: 50 - 200 watt Work Humidity: 0%~95%RH Match speaker(30W~100W): Steps: Step 1-Use the screwdriver to loosen the speaker terminals on the amplifier. Step 2-Insert the speaker wires. Step 3-Install the screws to secure the speaker wires Package Includes: 1pcs ZK-502C Stereo Bluetooth Power Amplifier Module 2pcs Acrylic shell 4pcs 12mm Copper column 8pcs 8mm Screw 1pcs Steel nut, screw mat 1pcs 20cm power cable 1pcs Screwdriver 1pcs Knob 1pcs Heat sink NOTE: 1.The power amplifier board should be as far away from the WIFI signal (router) as possible to avoid signal interference. 2.Please don't use too long wire. 3. It is recommended to use a speaker above 50W. 4.Different impedance speakers have different output power.In the case of sufficient voltage and current, the greater the impedance of the speaker, the smaller the relative sound power.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Working voltage range DC5-27V, for 4-8O, 50-200watt passive speakers.It is recommended to use a DC15V-24V power adapter with a current above 2A.\u003c\/li\u003e\n\u003cli\u003e✅ Stable Performance:Adopt TPA3116D2,with AM interference suppression function chip;THD is less than 0.1% even with high power operation for long time.\u003c\/li\u003e\n\u003cli\u003e✅ Feature:Support 3.5mm wired input and Bluetooth 5.0 input.With volume control and excellent sound quality.\u003c\/li\u003e\n\u003cli\u003e✅ Protection:This bluetooth amplifier board has reverse connection protection, over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection.\u003c\/li\u003e\n\u003cli\u003e✅ NOTE:When the audio input is sufficient and the power supply voltage\/current is sufficient, there needs to be enough output power, and the relative power will be higher.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Guarantees\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ FREE standard shipping within the United States (3–6 business days)\u003c\/li\u003e\n\u003cli\u003e✅ 100% money-back guarantee for lost or damaged items\u003c\/li\u003e\n\u003cli\u003e✅ Secure checkout with encrypted payment processing\u003c\/li\u003e\n\u003cli\u003e✅ Shipping via UPS, FedEx, and USPS\u003c\/li\u003e\n\u003cli\u003e✅ Ships to lower 48 states only (no PO Boxes \/ APO \/ FPO)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReturns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e✅ Items must be unused and in original packaging\u003c\/li\u003e\n\u003cli\u003e✅ Full refund if item is not delivered\u003c\/li\u003e\n\u003cli\u003e✅ Guaranteed delivery within 6–7 business days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePayment Methods\u003c\/h3\u003e\n\u003cp\u003e✅ Credit Cards, PayPal, Shop Pay, Apple Pay, Google Pay, Amazon Pay, Meta Pay\u003c\/p\u003e\n\u003ch3\u003eCustomer Support\u003c\/h3\u003e\n\u003cp style=\"text-align:left;\"\u003e✅ Questions? Contact us at \u003cstrong\u003eSupport@GiftAbay.com\u003c\/strong\u003e\u003cbr\u003eWe respond within 24 hours on business days.\u003c\/p\u003e\n\u003cdiv class=\"seo-data\"\u003e\n\u003cp\u003e\u003cstrong\u003eSEO Title:\u003c\/strong\u003e ZK-502C Bluetooth 5.0 Amplifier Board,100w Audio Amp Board Dual Channel DC8-24V, Password Free Connect to Phone Quietly for Home Passive Speakers TPA3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKeywords:\u003c\/strong\u003e zk502c, bluetooth, amplifier, board100w, audio, board, dual, channel, electronics, homeaudio, hometheater, receiversamplifiers\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Electronics\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSubcategories:\u003c\/strong\u003e Home Audio, Home Theater, Receivers \u0026amp; Amplifiers, Amplifiers\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Diitao","offers":[{"title":"Default Title","offer_id":47629484556508,"sku":"TGABL1673143","price":25.04,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/2816\/8412\/files\/71BQSVOF3_L._SL1500.jpg?v=1772124665","url":"https:\/\/tech.giftabay.com\/products\/zk-502c-bluetooth-5-0-amplifier-board-100w-dual-channel-audio-amp-board-password-free-connect-for-home-passive","provider":"Tech.GiftAbay","version":"1.0","type":"link"}