multi zone amplifier with front panel controls

{"cid":"91222503","title":"4 Zone 8 Channel Power Amplifier 8X50 400 Watts RMS Class D Distributed Audio Amplifier Front with Panel On\/Off Buttons","imgUrl":"https:\/\/img.chinax.com\/nimg\/f0\/97\/fc3556abe03721f5f3a3e67cce87-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"OEM","Model Number":"VAMP-850","Minimum Order Quantity":"200 pcs","Delivery Time":"Around 50 days","Certification":"CE, ROHS, ETL","Place of Origin":"China","Payment Terms":"T\/T, L\/C, Western Union","Supply Ability":"10000 pcs per month","Packaging Details":"1 piece amplifier in a box, then 1 piece in a carton.","Item":"8 Channel Amplifier","Power":"8x50W","Frequency":"20-20K Hz","Working voltage":"AC 110-240V\/Selectable","Size":"2U Rack Mount Power Amplifier","Input":"RCA, BUS A\/B","SNR":">-90dB (A Weighted At Full Output)","Usage":"Home theater amplifier","Color":"Black, grey","OEM":"Yes"}}

{"cid":"91190001","title":"2U 16 Ports Catv Edfa Combiner , Wdm Erbium Doped Fiber Amplifier 1550nm","imgUrl":"https:\/\/img.chinax.com\/nimg\/3c\/2c\/ce66b36584474534af36777d9f6d-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"JUNPU","Model Number":"JP1621EAP","Minimum Order Quantity":"1 Piece","Delivery Time":"1 ~ 10 working days based on quantity","Certification":"ROHS, CE, CCC","Place of Origin":"China","Payment Terms":"T\/T, Western Union, Credit Card Via Alibaba","Supply Ability":"1000 Pieces Per Month","Packaging Details":"Standard Strong Carton Box","Product Name":"2U 16 Ports Catv Edfa Combiner Wdm Edfa","Number Of Outputs":"16 ports","CATV Input":"1 or 2 Port","CATV Operation Wavelength":"1540 ~ 1563nm","Application":"FTTH, Triple Play network, GPON, EPON","Per Port Output Optical Power":"15,16,17,18,19,20,21,22,23dbm","CATV Input Power":"-10 ~ +10dbm","OEM":"Yes","Size":"2U Rack"}}

{"cid":"91183890","title":"WalkThrough Checkpoint MultiZone Metal Detector Security Gates High Discrimination","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/f5\/e3569459350aaf2cf91c1b321241-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"SHANAN","Model Number":"VW-EB","Minimum Order Quantity":"1 set","Delivery Time":"15work days","Certification":"CE, ISO","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"100 set\/month","Packaging Details":"Box","Type":"Security Metal detector","Usage":"Metal","Installation Mode":"Contact type","Warranty":"3 years","Remote Control":"Yes","Colors":"Beige, Iron Gray, Black and white, Silver-grey","Detection Zones":"4-32 Zones","Install Guide":"Supply in Free of Charge"}}