1 5khz 21 inch subwoofer

{"cid":"91220132","title":"2500W RMS PW21F Pro Audio 21 Inch Subwoofer with 5 Inch Voice Coil for High Energy FERRITE Magnetics","imgUrl":"https:\/\/img.chinax.com\/nimg\/4c\/2b\/2da508e3f0b2e1622cabf5e4d4f7-200x200-1.jpg","attrs":[]}

{"cid":"91225427","title":"K-21S 21 inch professional 1200w compact neodymium speaker subwoofer","imgUrl":"https:\/\/img.chinax.com\/nimg\/c2\/be\/27faacfd03854f0bffb484186a6e-200x200-1.jpg","attrs":{"Price":"depand on quantity","Brand Name":"lmhf","Model Number":"K-21S","Minimum Order Quantity":"2","Delivery Time":"10-15 days","Connector":"2NL4","Payment Terms":"T\/T","Impedance":"8 ohm","Frequency":"30 - 100 Hz","Model":"K-21S","Components":"21 inch, 115mm voice coil, neodymium","Supply Ability":"500pcs\/month","Max SPL":"138 dB","Packaging Details":"carton","Net weight":"49kg","Place of Origin":"Made In China","Certification":"CE, ROHS","RMS power":"1200W","Cabinet":"Russia birch plywood, dark grey brown polyurea","Size":"750*600*570mm"}}