nrc 0 85 speech range focus

{"cid":"91222012","title":"Innovative Polyester Fiber Acoustic Panel Designed To Enhance Speech Clarity And Reduce Noise","imgUrl":"https:\/\/img.chinax.com\/nimg\/04\/9b\/7af315ccb5743d9ac51f1b072c88-200x200-1.jpg","attrs":{"Price":"15.9\/pc 100-200 pcs","Brand Name":"MQ Acoustics","Minimum Order Quantity":"100pcs","Delivery Time":"5-8 work day","Certification":"CE, ASTM, ISO","Place of Origin":"China","Payment Terms":"T\/T","Packaging Details":"Carton Box, Pallet","Product Name":"PET Acoustic Felt","Material":"100% Polyester Fiber","Size":"600*600mm\/600*1200mm\/1220*2440mm\/customized","Thickness":"9\/12\/15\/24mm\/customized","Density":"1350g-4000gsm","Color":"More than 48 colors to be chosen","Application":"Office Building, Office, Meeting Room, Multi-Function Hall, etc.","Origin":"China","NRC":"0.80-0.9","Transport Package":"Carton Box & Pallet","Function":"Interior decoration and sound absorbing","Warranty":"2 years","Acoustic Type":"Sound Absorbing Material","Installation Method":"Adhesive, Suspended, or Direct Mount"}}

{"cid":"91224491","title":"Polyester Fiber Acoustic Panel 1200x600mm 12mm Sound Absorbing Wall Board for Language Lab Interior Decoration","imgUrl":"https:\/\/img.chinax.com\/nimg\/71\/a3\/8a933d62425e2434f7c04b076e98-200x200-1.jpg","attrs":{"Price":"USD 8.50-15.90 \/ Square Meter","Brand Name":"Magic Cube","Model Number":"PET-12-LANGUAGE","Minimum Order Quantity":"50 Square Meters","Delivery Time":"7-15 working days after deposit","Place of Origin":"Guangdong, China","Certification":"CE, ISO 9001:2015, OEKO-TEX Standard 100","Payment Terms":"T\/T, L\/C, PayPal","Supply Ability":"50000 Square Meters per Month","Packaging Details":"Carton box with protective corners, export-grade pallet packaging","Material":"100% Polyester Fiber (PET)","Thickness":"12mm","Size":"1200x600mm","Density":"3000gsm","NRC Rating":"NRC 0.81","Fire Rating":"Class B1","Color Options":"More than 48 colors (customizable upon request)","Application":"Walls, Ceilings \u2014 Language Lab","Warranty":"3 Years","Installation Method":"Adhesive, Impaling Clips, Z-Clip System"}}