{"product_id":"2-220w-350w-bluetooth-5-1-subwoofer-audio-power-amplifier-board-tpa3251d2-class-d-audio-2-1-channel-amplifier-home-theater-aux","title":"2*220W+350W Bluetooth 5.1 Subwoofer Audio Power Amplifier Board TPA3251D2 Class D Audio 2.1 Channel Amplifier Home Theater AUX","description":"\u003cdiv\u003e\u003cspan\u003e\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e Features:\u003c\/p\u003e\n\u003cp\u003e 1: Wide range of applications\u003c\/p\u003e\n\u003cp\u003e 2: The appearance is simple and beautiful\u003c\/p\u003e\n\u003cp\u003e 3: APP has comprehensive functions\u003c\/p\u003e\n\u003cp\u003e 4: Real stepless tuning, not digital multi-stage grading adjustment.\u003c\/p\u003e\n\u003cp\u003e 5: The mechanical switch can be turned off with one turn, no need to wait for a long time, which is convenient and fast.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e Specifications:\u003c\/p\u003e\n\u003cp\u003e Product name: 2.1 channel bluetooth audio power amplifier module Product model: ZK-AS21\u003c\/p\u003e\n\u003cp\u003e Number of channels: 2.1 channels (left channel + right channel + subwoofer)\u003c\/p\u003e\n\u003cp\u003e Input method: AUX+Bluetooth+U disk+USB sound card (dial button to switch modes and songs)\u003c\/p\u003e\n\u003cp\u003e Bluetooth version: 5.1\u003c\/p\u003e\n\u003cp\u003e Power amplifier chip: TPA3251D2\u003c\/p\u003e\n\u003cp\u003e Adapter speakers: left and right channels 30-220W, 3-8Ω subwoofer 30-350W 2-8Ω\u003c\/p\u003e\n\u003cp\u003e Output power: left and right channels ≤ 220w subwoofer ≤ 350W\u003c\/p\u003e\n\u003cp\u003e Adapter power supply: DC 12~38v, ≥10A\u003c\/p\u003e\n\u003cp\u003e Protection mechanism: anti-reverse connection, undervoltage, overheating, overcurrent, short circuit protection (automatic recovery, no need to restart)\u003c\/p\u003e\n\u003cp\u003e Switch mode: mechanical switch (no need to long press and wait)\u003c\/p\u003e\n\u003cp\u003e Voltage gain: 30dB\u003c\/p\u003e\n\u003cp\u003e Product weight: net weight 346g, including packaging 408g\u003c\/p\u003e\n\u003cp\u003e Product size: 141*131*27mm\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e Tips: \u003c\/p\u003e\n\u003cp\u003e Only when the audio signal input is large enough and the power supply voltage\/current is large enough, will there be enough output power!\u003c\/p\u003e\n\u003cp\u003e The higher the power supply voltage, the greater the output power, and the smaller the speaker impedance, the greater the output power!\u003c\/p\u003e\n\u003cp\u003e Please make sure that the power of the adapted power supply is greater than the actual working power of the power amplifier!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e Package Included:\u003c\/p\u003e\n\u003cp\u003e 1* 2.1 channel TPA3251 Bluetooth digital power amplifier board module\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e   \u003c\/p\u003e\n\u003cp\u003e   \u003c\/p\u003e\n\u003cp\u003e   \u003c\/p\u003e\n\u003cp\u003e   \u003c\/p\u003e\n\u003cp\u003e   \u003c\/p\u003e\n\u003cp\u003e   \u003c\/p\u003e\n\u003cp\u003e   \u003c\/p\u003e\n\u003cp\u003e   \u003c\/p\u003e\n\u003cp\u003e   \u003c\/p\u003e\n\u003cp\u003e   \u003c\/p\u003e\n\u003cp\u003e   \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e","brand":"mickcara","offers":[{"title":"Black","offer_id":41158448185481,"sku":"00801-1","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0365\/2131\/2393\/products\/abd737c4f4884dcdafe408183e5a59ff.jpg?v=1677238628","url":"https:\/\/mickcara.com\/products\/2-220w-350w-bluetooth-5-1-subwoofer-audio-power-amplifier-board-tpa3251d2-class-d-audio-2-1-channel-amplifier-home-theater-aux","provider":"mickcara","version":"1.0","type":"link"}