Supply Anhui Hefei absorber Auditorium absorber cone sound absorption diffuser plate absorber the Gymnasium absorber price 
 Model: N600 / N600K 
 Suspension ways: vertical 
 Hanging position: grid Bottom Chord 
 Color: Optional 
 Built-in: porous sound-absorbing cotton 
 Dosage: roof area of ??~ 45% 
 Weight: ≤ 4kg / 
 Fire performance: flame retardant B1 level 136-3228-2672 Miss Sun 
 Structure: polyester fiber acoustic board, outsourcing sound absorption lining and fire-retardant sound absorbing cloth 
 Installation accessories: boom, hoop, rope 
 Common Specifications: 600 * 600 * 520mm (can be customized) 
 Applicable range: stadiums, Auditorium Big Space to control the reverberation time. 
 Supply Anhui Hefei absorber Auditorium absorber cone sound absorption diffuser plate absorber the Gymnasium absorber price