4 1 channel wireless surround sound amplifier

{"cid":"91219576","title":"5.1 Channel Bluetooth Home Theater Amplifier System With Wireless Subwoofer And HDMI ARC","imgUrl":"https:\/\/img.ismap.com\/nimg\/9c\/2b\/4693bbcece90a804ed5eafdc5f0e-200x200-1.jpg","attrs":{"Brand Name":"Oafull","Place of Origin":"China","Channels":"5.1","Application":"5.1 Home Theatre","Special Feature":"Wireless System","OEM":"Support","Feature":"Big Power 4K HDMI","Support":"USB\/ DVD\/ MP3\/ Aux"}}

{"cid":"91222503","title":"Surround Sound Home Theater Receiver Amplifier Bluetooth Home Audio Amplifier For TV","imgUrl":"https:\/\/img.ismap.com\/nimg\/a5\/4d\/29926af9851b3d744a15c15d6c02-200x200-1.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"}}