pa 2000a power amplifier with volume control

{"cid":"91220993","title":"XL550 Public Address Amplifier 2 Channel Power Amplifier For PA System","imgUrl":"https:\/\/img.chinax.com\/nimg\/9c\/15\/5014682e5f70d24d5732e38fda8a-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"P-AMF","Model Number":"XL550","Minimum Order Quantity":"30PCS","Delivery Time":"30-60days After Deposit","Certification":"CE,ISO","Place of Origin":"china","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"300PCS\/month","Packaging Details":"482\u00d7339.5\u00d788\uff08mm\uff09","Frequency Response":"10Hz-50KHz-1.5dB","Input Sensitivity":"0.77V\/1V\/1.4V","Brand customization":"OEM\/ODM","Feature":"effectively","Packing Details":"Cartons and Plastic Bags","Name":"2 Channel Power Amplifier For PA System"}}

{"cid":"91198862","title":"Stage 2U Volume Control 600W Analog Stereo Amplifier","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/14\/4e4c754e612cdc070bdcee6d3a41-200x200-1.jpg","attrs":{"Price":"$268.00","Brand Name":"ABLPOWER\/OEM","Model Number":"PA-4600A","Minimum Order Quantity":">=1 Units","Delivery Time":"5-15 Working days","Certification":"ce","Place of Origin":"Guangdong, China","Supply Ability":"15 Units\/day","Packaging Details":"strong carton packing 62X50X15cm","Payment Terms":"Western Union, T\/T","Type":"Professional Amplifier","Product Name":"Public Address Amplifier Outdoor Power Amplifier","Application":"Stage","Color":"Black","Keyword":"Sound Power Amplifier","Frequency Response":"20Hz-20KHz","Channel":"4 Channel","Voltage":"AC220V","Usage":"15 Inch Passive Speaker Amplifier","tyep":"PA series"}}