{"product_id":"tpa3221-zk-2001-digital-amplifier-board-200w-new-bridged-mono-subwoofer-pure-rear-stage-power","title":"ZK-2001 TPA3221 Stereo \/ Mono Amplifier Board – Up to 200W Mono","description":"\u003cp\u003eBuild a compact stereo amplifier or mono subwoofer project with the ZK-2001 power amplifier board. Based on the TPA3221 chip, it supports stereo BTL and mono PBTL configurations with selectable gain.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: ZK-2001.\u003c\/li\u003e\n\u003cli\u003eAmplifier chip: TPA3221.\u003c\/li\u003e\n\u003cli\u003eOperating supply: DC 10–30V; supplier-recommended supply DC 24–30V, 10A or higher.\u003c\/li\u003e\n\u003cli\u003eStereo BTL speaker compatibility: 3–8Ω, 20–100W.\u003c\/li\u003e\n\u003cli\u003eMono PBTL speaker compatibility: 2–8Ω, 50–200W.\u003c\/li\u003e\n\u003cli\u003eSelectable gain: 28dB or 38dB.\u003c\/li\u003e\n\u003cli\u003eCooling: multi-fin heat sink.\u003c\/li\u003e\n\u003cli\u003eListed protection: input undervoltage, overheating, overcurrent, short circuit and reverse polarity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSupplier-listed maximum output\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStereo BTL: 70W per channel at 24V, 4Ω; 100W per channel at 30V, 4Ω.\u003c\/li\u003e\n\u003cli\u003eMono PBTL at 30V: 200W at 2Ω, 150W at 3Ω or 110W at 4Ω.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eActual output depends on power supply capacity, speaker impedance, cooling and audio input. These figures are supplier-listed maxima, not guaranteed continuous output ratings.\u003c\/p\u003e\u003ch3\u003eInstallation requirements\u003c\/h3\u003e\u003cp\u003eUse DC power only within the stated operating range; never connect AC power. Disconnect the power before changing the operating mode. Follow the model-specific manufacturer wiring instructions for BTL or PBTL configuration, and do not join outputs except as explicitly directed by those instructions. This listing is for an amplifier board, not a complete subwoofer speaker or enclosed amplifier. Confirm included accessories with the supplier, as the imported package wording is unclear.\u003c\/p\u003e","brand":"My Store 5","offers":[{"title":"Default Title","offer_id":67765185708265,"sku":"\u003cnone\u003e","price":629.99,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/0449\/2777\/files\/audio-cutout-d9525acc-388e-48f8-b1e7-e8c3a0c3a612.png?v=1793721613","url":"https:\/\/diyprojectsaudio.myshopify.com\/products\/tpa3221-zk-2001-digital-amplifier-board-200w-new-bridged-mono-subwoofer-pure-rear-stage-power","provider":"Electronic diy","version":"1.0","type":"link"}