{"product_id":"zk-mt21-2x50w-100w-2-1-channel-bt5-0-aux-digital-power-subwoofer-amplifier-board","title":"ZK-MT21 2.1-Channel Bluetooth 5.0 Amplifier Board with AUX","description":"\u003cp\u003eBuild a stereo speaker system with a dedicated subwoofer using the ZK-MT21 amplifier board. Connect through Bluetooth 5.0 or AUX, then adjust bass, treble, subwoofer frequency and volume to suit your listening setup.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2.1-channel output for left and right speakers plus a subwoofer.\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.0 with a listed unobstructed range of up to 15 metres.\u003c\/li\u003e\n\u003cli\u003eAUX input for a wired audio source.\u003c\/li\u003e\n\u003cli\u003eRotary main control with long-press power switching.\u003c\/li\u003e\n\u003cli\u003eReverse-polarity, overheating, overcurrent and short-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePower supply: DC 12–24V, 5A or higher.\u003c\/li\u003e\n\u003cli\u003eCompatible speakers: 20–100W, 4–8Ω.\u003c\/li\u003e\n\u003cli\u003eListed output: less than 50W per left\/right channel and less than 100W for the subwoofer.\u003c\/li\u003e\n\u003cli\u003eInput sensitivity: 500mV.\u003c\/li\u003e\n\u003cli\u003eDimensions: 93 × 90 × 22mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded\u003c\/h3\u003e\u003cp\u003eOne amplifier board and one accessory pack. External antenna and antenna base are not included.\u003c\/p\u003e\u003ch3\u003eBefore connecting\u003c\/h3\u003e\u003cp\u003eDo not use a 24V battery pack. Use a suitable DC power supply with a power rating above the amplifier's actual demand. Actual output depends on supply voltage and current, speaker impedance and audio input. This is a DIY amplifier board, not a complete speaker system.\u003c\/p\u003e","brand":"My Store 5","offers":[{"title":"Default Title","offer_id":67765184921833,"sku":"\u003cnone\u003e","price":659.99,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/0449\/2777\/files\/audio-cutout-f1f07d93-bb38-4a65-a417-0a5b9100ecd5.png?v=1793721614","url":"https:\/\/diyprojectsaudio.myshopify.com\/products\/zk-mt21-2x50w-100w-2-1-channel-bt5-0-aux-digital-power-subwoofer-amplifier-board","provider":"Electronic diy","version":"1.0","type":"link"}