diy bt amplifier with crossovers

{"cid":"91219651","title":"CA-3118B DIY BT Audio Board 2*30W Stereo Digital Power Amplifier DC 12-24V TPA3118","imgUrl":"https:\/\/img.chinax.com\/nimg\/95\/ab\/b1edc14e258531dce5f3a7cedd58-200x200-1.jpg","attrs":{"Brand Name":"Creatall","Model Number":"CA-3118B","Minimum Order Quantity":"100PCS","Delivery Time":"5-8 work days","Certification":"CE","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T","Supply Ability":"100000pcs","Product Name":"CA-3118B Amplifier+BT","Chip":"TPA3118","Power":"2*30W","Voltage":"12-24V"}}

{"cid":"91219842","title":"BT Support Android 7 Inch Car Stereo Mp5 For TOYOTA Sequoia 2008-2015","imgUrl":"https:\/\/img.chinax.com\/nimg\/aa\/bf\/1fc460f8d0b0251b83c18c4edf4c-200x200-1.jpg","attrs":{"Price":"$98.00\/sets 1-2 sets","Brand Name":"Bingfan","Model Number":"BFW612","Place of Origin":"Guangdong, China","Packaging Details":"Factory Standard","Model":"Tundra, SEQUOIA","Year":"2007-2016, 2008-2016","Car Fitment":"Toyota","Type":"Build-in 2DIN, Car Android Player","Placement":"Dashboard","OS":"Android","Screen Type":"OLED, IPS, TFT, TN, Capacitive Touch Screen, 2.5D Screen","Screen Size":"10.1\", 9 Inch\/2.5D Touch Screen","Resolution":"1024*600, HD 1024*600","Function":"GPS, Stereo, TPMS, Amplifier, OBD2, Built-In Speaker, Mirror Link, picture in picture, Built-in Microphone, File Manager","Connection":"usb, Built-in WiFi","Combination":"Built-in GPS, MP3 \/ MP4 Players, Radio Tuner, Touch Screen, TV","Warranty":"1 Years","CPU":"Quad Core","RAM":"1GB","ROM":"16GB","BT":"4.0","System":"Android 8.1\/9.0\/ 10.0","Internet":"Built-in 4G Wifi","OSD Language":"Support Multi-language (Over 60 Kinds)"}}