paper cone 90db 2500w subwoofer

{"cid":"91220132","title":"12''Neodyminum Subwoofer,1500wrms, 3'' Flat Aluminum voice coil, D2\/D4 ohms, freq. response: 36-300Hz, Sensitivity: 90.7dB,Paper cone, Size(mm): 327*265, Weight:24.5kg S3012NEO","imgUrl":"https:\/\/img.ismap.com\/nimg\/40\/c2\/9586e7c06853c7b7ee97f9effe25-200x200-1.jpg","attrs":[]}

{"cid":"91219928","title":"Paper Speaker Paper Cone Making Machine Speaker Manufacturing Machines","imgUrl":"https:\/\/img.ismap.com\/nimg\/be\/9b\/e2d894f3ca5de2db9753186d8958-200x200-1.jpg","attrs":{"Price":"According to order","Brand Name":"SHM","Model Number":"SHW-360","Minimum Order Quantity":"1","Delivery Time":"50 Working days after received deposit","Place of Origin":"China","Certification":"CE and ISO9001","Packaging Details":"Packing detail you can choose normal packing or customized packaging.","Payment Terms":"TT, LC, MoneyGram, Western Union","Supply Ability":"50 sets","Machine Type":"Speaker Manufacturing Machines","Raw Material":"Wood pulp","Additive":"Black dye\/waterproofing agent","Mold Material":"Aluminum","Industry":"Speaker accessories","Type":"Business ideas with small investment","Function":"Hot pressing machine","Machine Size":"Small","Features":"All in one integrated","Operation":"Easy","Service":"Process guidance","Installation":"Turnkey machine free of installation"}}

{"cid":"91198955","title":"30mm 38mm 41mm 51mm 25khz Tweeter Piezo Alarm Buzzer","imgUrl":"https:\/\/img.ismap.com\/nimg\/3f\/4a\/54e847690dd295ec133630589e95-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"TAIMI","Model Number":"TM-3825 4140 5120 20khz 25khz ultrasonic speaker","Minimum Order Quantity":"1000PCS","Delivery Time":"10~15days","Certification":"ISO9001\u3001ISO14001\u3001IATF16949","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"1000000\/month","Packaging Details":"safe packaging","Material":"ABS","Operating voltage":"3-24V Piezo Electronic Alarm Buzzer","Rated Voltage (Vrms)":"2.83VDC","Function":"ultrasonic speaker for pest repellent","Min Sound Output":"95dB 12VDC\/30cm","Warrenty":"3 years","Operating temperature":"-20\u2103 to 70\u2103","Type":"ultrasoinc speaker","Sound Output at 10cm (dB)":"\u2265100","Weight":"6 g","Resonant Frequency":"20\u00b15 khz","Size \/ Dimension":"41x3mm","Efficiency - Type":"Sound Pressure Level (SPL)","Temp. range":"-20\u2103~60\u2103","Capacitance 120Hz (PF)":"20000\u00b1500","Operating Voltage (Vrms)":"30 max"}}