{"product_id":"zk-1001u-mono-100w-bluetooth-amplifier-board-tpa3116d2","title":"ZK-1001U 100W Mono Bluetooth 5.3 Amplifier Board TPA3116D2","description":"\n\u003ch2\u003eZK-1001U Mono 100W Bluetooth 5.3 Amplifier Board Module – TPA3116D2 with APP Control\u003c\/h2\u003e\n\u003cp\u003eTake your DIY audio projects to the next level with the \u003cstrong\u003eZK-1001U Mono 100W Bluetooth Amplifier Board\u003c\/strong\u003e. Powered by the high-efficiency \u003cstrong\u003eTPA3116D2\u003c\/strong\u003e chip and equipped with \u003cstrong\u003eBluetooth 5.3\u003c\/strong\u003e, this compact module delivers clean, powerful mono audio output for portable speakers, trolley speakers, outdoor audio builds, and battery-powered systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTPA3116D2 Amplifier Chip:\u003c\/strong\u003e Industry-proven chip delivering up to 100W mono output with low power consumption and minimal heat generation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth 5.3 Connectivity:\u003c\/strong\u003e Stable wireless transmission up to 15 metres, with support for Bluetooth, AUX, USB flash drive, and USB sound card inputs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Boost Circuit:\u003c\/strong\u003e Compatible with DC 9–24V power supplies (≥4A), making it ideal for 7.4V, 12V, and 21V battery-powered builds. \u003cem\u003eNote: 24V batteries are not recommended due to overvoltage risk when fully charged. AC power is not supported.\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWuzhi Audio APP Control:\u003c\/strong\u003e Customise your experience via the companion app — modify Bluetooth name, set passwords, adjust alert volume, toggle alerts, activate sleep melodies, and perform firmware upgrades.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTWS Stereo Pairing:\u003c\/strong\u003e Purchase two units and pair them wirelessly as left\/right stereo channels for true spatial audio in your DIY speaker builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Function Button Control:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eSingle press: Play \/ Pause\u003c\/li\u003e\n      \u003cli\u003eDouble press: Next track\u003c\/li\u003e\n      \u003cli\u003eTriple press: Enter \/ Exit TWS mode\u003c\/li\u003e\n      \u003cli\u003eLong press: Power on \/ off\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTreble \u0026amp; Bass Adjustment:\u003c\/strong\u003e Fine-tune your audio output directly from the board for a personalised sound profile.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Protection:\u003c\/strong\u003e Built-in reverse polarity, over-temperature, over-current, short-circuit, and electrostatic discharge (ESD) protection for safe and stable operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZK-1001U\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmplifier Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTPA3116D2\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBluetooth Version\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.3\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBluetooth Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 15 metres\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMono 100W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBluetooth \/ AUX \/ USB Flash Drive \/ USB Sound Card\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 9–24V, ≥4A (AC prohibited; 24V battery not recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Speakers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20–100W, 3–8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaster volume via button\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e99 × 75 × 22.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAmplifier Board × 1\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003eNote: Heat sink and knob cap require separate installation and are not included.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY mono and stereo speaker builds\u003c\/li\u003e\n  \u003cli\u003ePortable \u0026amp; outdoor speaker upgrades\u003c\/li\u003e\n  \u003cli\u003eTrolley speaker construction\u003c\/li\u003e\n  \u003cli\u003eBattery-powered audio systems\u003c\/li\u003e\n  \u003cli\u003eComputer audio enhancement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/airtight-transparent-pet-storage-bottle-craft-beads-home-organization\"\u003eAirtight Transparent PET Storage Bottle – Great for organising small electronic components\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/vintage-baroque-embossed-metal-decorative-tray-jewelry-organizer\"\u003eVintage Baroque Embossed Metal Tray – Stylish organiser for your workspace\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ceramic-mini-sealed-storage-jar-portable-travel-container\"\u003eCeramic Mini Sealed Storage Jar – Handy container for small parts and accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply is compatible with the ZK-1001U Bluetooth amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The ZK-1001U supports DC 9–24V power supplies with a minimum current of 4A. It is compatible with 7.4V, 12V, and 21V batteries. Note that 24V batteries are not recommended due to overvoltage risk when fully charged, and AC power supplies are not supported at all.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use two ZK-1001U boards together for stereo audio output?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! By purchasing two ZK-1001U amplifier boards, you can activate TWS (True Wireless Stereo) pairing mode. Simply triple-press the button to enter TWS mode and the two units will pair wirelessly as left and right stereo channels, delivering enhanced spatial audio positioning in your DIY speaker build.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What audio inputs does the ZK-1001U amplifier module support?\u003c\/h4\u003e\n\u003cp\u003eA: The ZK-1001U supports four audio input modes: Bluetooth 5.3 (wireless, up to 15 metres), AUX (3.5mm wired), USB Flash Drive, and USB Sound Card — giving you maximum flexibility for any audio source.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the ZK-1001U work with the Wuzhi Audio APP?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The ZK-1001U is fully compatible with the Wuzhi Audio APP, which lets you customise the Bluetooth device name, set a password, adjust alert volume, toggle alerts, enable sleep melodies, and perform firmware upgrades — all from your smartphone.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply is compatible with the ZK-1001U Bluetooth amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ZK-1001U supports DC 9–24V power supplies with a minimum current of 4A. It is compatible with 7.4V, 12V, and 21V batteries. Note that 24V batteries are not recommended due to overvoltage risk when fully charged, and AC power supplies are not supported at all.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use two ZK-1001U boards together for stereo audio output?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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