4 0 channel professional stage amplifier

{"cid":"91220993","title":"700W Class H Stage 2 Channel Professional Power Amplifier Short Circuit Protection","imgUrl":"https:\/\/img.chinax.com\/nimg\/10\/cb\/b588dc0e727a61d40bea1d276456-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"P-AMF","Model Number":"P4","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 one month","Packaging Details":"size\uff1a430mm*132mm*487mm in carton","Input Voltage":"180V-240V","Protection":"Short circuited\/DC\/Overload\/Turnon delay\/High temperature(Optional)","Brand customization":"OEM\/ODM","Packing Details":"Cartons and Plastic Bags","Channel":"2 Channels","Frequency Response":"20Hz - 20kHz","Gross Weight":"31kg","Usage":"AV, KTV System, PRO Audio System","Name":"2 Channel Power Amplifier"}}

{"cid":"91219651","title":"Cross-border 4.0 Channel Professional Stage Performance Wedding Speaker KTV Power Amplifier Post-amplifier High-fidelity Metal","imgUrl":"https:\/\/img.chinax.com\/nimg\/5b\/11\/5f00f7308f687db87dc8a429455f-200x200-1.jpg","attrs":{"Brand Name":"other","Minimum Order Quantity":"1","woofer size\/full-range size":"1\"","number of speakers":"4","Place of Origin":"China","channels":"4.0","material":"Metal"}}

{"cid":"91198862","title":"20Hz Stage 1300w 4 Channel Professional Power Amplifier","imgUrl":"https:\/\/img.chinax.com\/nimg\/79\/1c\/94c6fca8b2edb65e9844e57d3154-200x200-1.jpg","attrs":{"Price":"$583.00","Brand Name":"AC3\/OEM","Model Number":"PB4A1300","Minimum Order Quantity":"2-9 Units","Delivery Time":"5-15 Working days","Certification":"ce","Place of Origin":"Guangdong, China","Payment Terms":"Western Union, T\/T","Supply Ability":"30Units\/day","Packaging Details":"60*50*10cm","Function":"Digital Power Amplifier","Application":"Small stage, bar, banquet hall","Keyword":"Sound Power Amplifier","Frequency Response":"20Hz-20KHz","Channel":"4 Channel","Voltage":"AC220V","Usage":"Stage performance sound system","Feature":"Light Weight","Single gross weight":"11.500 kg","Package Type":"strong carton packing"}}