2 0 channels digital audio hifi stereo

{"cid":"91219651","title":"2.0 Channels ZK-AM100F BT Compatible Digital Audio HiFi Stereo Dual Class D 50Wx2","imgUrl":"https:\/\/img.chinax.com\/nimg\/b8\/67\/a98c285c01e6c8f1e64c5acbc3e5-200x200-1.jpg","attrs":{"Price":"$29.80\/pieces 10-99 pieces","Brand Name":"creatall","Model Number":"ZK-AM100F","Minimum Order Quantity":"10 pieces","Private Mold":"NO","Type":"Home Amplifier","Channels":"2 (2.0)","Place of Origin":"Guangdong, China"}}

{"cid":"91222503","title":"HiFi Class D Wireless Audio Amplifier Multi Channel Home Digital Digital Amplifier TPA3116","imgUrl":"https:\/\/img.chinax.com\/nimg\/1c\/ed\/6f715e0125d22d1b50885b5f2a00-200x200-1.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"}}