class d mini bluetooth 5 0 amplifier

{"cid":"91222503","title":"Class D Bluetooth 5.0 Amplifier 50W x4 Wireless Amp 4 Channel Mini Integrated Home Audio Stereo Receiver","imgUrl":"https:\/\/img.ismap.com\/nimg\/c6\/9b\/1786f128bbc5b0a51cbabb7d5b23-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Vistron Audio, support OEM\/ODM","Model Number":"BTA-450","Minimum Order Quantity":"300 pcs","Delivery Time":"40-50 days","Certification":"CE, ROHS, FCC, UL, as your request","Place of Origin":"China","Payment Terms":"T\/T, L\/C, Western Union\uff0cPaypal","Supply Ability":"50000 pcs per month","Packaging Details":"1 piece amplifier in a box, then 6 pcs in a carton.","Item":"Bluetooth 4 ch amplifier","Type":"Wireless Bluetooth audio amplifier","BT version":"Qualcomm BT V5.2, can do custom design","Power":"4 X 50 watts RMS 4ohm","Frequency":"Full range amplifier of 20-20K Hz","Class":"Class D digital audio amplifier","Input":"Bluetooth,coax,3.5MM,Optical,HDMI","Color":"Black, white, silver, grey","OEM":"Yes","Produce":"Professional audio amplifier factory"}}

{"cid":"91219651","title":"CA-8403B 2*3W Bluetooth 5.0 Stereo Mini Digital Amplifier Board PAM8403 Dual Channel Class D DC5V AMP","imgUrl":"https:\/\/img.ismap.com\/nimg\/01\/45\/504f881f064541f8ab07f6ba7770-200x200-1.jpg","attrs":{"Price":"Manufacturer","Brand Name":"creatall","Model Number":"CA-8403B","Minimum Order Quantity":"10pcs","Place of Origin":"China","AMP Chip":"PAM8403","Output power":"2*3W","Power Supply:":"DC 5V","Bluetooth Version:":"5.0","Work Type:":"Class D","Audio Input:":"Bluetooth","Channels:":"2","Size:":"45*42*25mm"}}