2 port tektronix ada400a differential preamplifier

{"cid":"91217181","title":"2 port Active TEKTRONIX ADA400A Differential Preamplifier 10 \u03bcV\/Div Sensitivity Tested","imgUrl":"https:\/\/img.ismap.com\/nimg\/cc\/a7\/d3d8a84517178e61c041c1d75731-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Tek","Model Number":"ADA400A","Minimum Order Quantity":"1 set","Certification":"ce","Place of Origin":"Malaysia","Payment Terms":"T\/T","Supply Ability":"in stock","Packaging Details":"carton","Product name":"DIFFERENTIAL PREAMPLIFIER","Condition":"Pre-Owned","Function":"Tested,with good working condition","No.of port":"2-port"}}