Speaker Sound-Absorbing Cotton Polyester Fiber Interior InsulationProduct Details1.The acoustic propagation will make space larger.2.Absorb standing waves from the low frequency of the cabinet, make the bass clearer. 3.Size: 40x100cm/15.75''x39.37''(W*L); Color:White4.Dedicated to speakers, flame retardant and , soft and elastic.5.Package Includes: 1 x Speaker Sound-Absorbing Cotton.
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