{"product_id":"ht21-ii-2-1-channel-bluetooth-5-1-amp-board-tws-160w-x-2-220w-b0h6hsq8ln","title":"2.1 Channel Bluetooth 5.1 Amp Board 160W x 2 + 220W I72256","description":"Brand: Cozychord\nConnectivity Technology: Bluetooth, USB\nController Type: Infrared remote control, Mechanical knob\nSpecial Feature: Built-In Bluetooth\nCompatible Devices: Personal Computer, Smartphone, Speaker\nConnector Type: USB,AUX\nAudio Output Mode: Stereo\nSurround Sound Channel Configuration: 2.1\nColor: Black\nProduct Dimensions: 5.5\"D x 4.91\"W x 1.1\"H\n\n- POWERFUL 2.1 CHANNEL AMPLIFIER BOARD – Build a complete stereo and subwoofer system with up to 160W × 2 left\/right output plus 220W dedicated subwoofer output. Designed for 4–8Ω speakers and DC 15–36V power, this Bluetooth amplifier board is ideal for DIY speakers, bookshelf speakers, desktop audio, home stereo systems, and custom 2.1 audio projects.\n- TWS WIRELESS STEREO PAIRING – Pair two identical HT21-II amplifier boards through TWS to create a wider left\/right wireless stereo soundstage. Ideal for DIY wireless speakers, home stereo systems, bookshelf speaker setups, and custom audio projects when you want to expand beyond a single Bluetooth amplifier board.\n- MULTIPLE AUDIO INPUTS \u0026amp; IR REMOTE CONTROL – Enjoy flexible connectivity with Bluetooth 5.1, 3.5mm AUX-IN, USB music playback, and FM radio. The included IR remote provides convenient control from your listening position, while dedicated Subwoofer, Left, and Right speaker outputs make it easy to build a complete 2.1 channel speaker system.\n- 5-KNOB TREBLE, BASS \u0026amp; SUBWOOFER CONTROL – Fine-tune your sound with independent Subwoofer Frequency, Subwoofer Volume, Treble, Bass, and Main Volume controls. Easily adjust deep bass, high-frequency detail, and overall output to match different speakers, rooms, music styles, movies, gaming setups, and DIY audio systems.\n- ENGINEERED FOR STABLE, RELIABLE PERFORMANCE – Built around the TDA7498ETR Class-D amplifier platform, the HT21-II combines copper-wound inductors, large filtering capacitors, an aluminum heatsink, and active fan cooling for stable operation. Reverse-polarity, undervoltage, overheat, overcurrent, and short-circuit protection provide added security for long-term DIY and home audio use.","brand":"My Store","offers":[{"title":"Black","offer_id":45627479162903,"sku":"P359339800085535099-1","price":11.95,"currency_code":"USD","in_stock":true},{"title":"Black1 ZK-1002T(2 Pack)","offer_id":45627479195671,"sku":"P359339800085535099-2","price":11.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/4296\/3479\/files\/71uhPrLhVfL.jpg?v=1790216319","url":"https:\/\/hutudaoli.shop\/products\/ht21-ii-2-1-channel-bluetooth-5-1-amp-board-tws-160w-x-2-220w-b0h6hsq8ln","provider":"My Store","version":"1.0","type":"link"}