RCF COVER-HD10 Protection Cover columnspeaker Motor Mass: 200 g (7

Motor Mass: 200 g (7 oz)

Frequency Range (-10dB): 45 Hz – 20 kHz

they are what protects your signal from being altered

It's durable nylon material protects your subwoofer from dust and moisture

RCF COVER-HD10 Protection Cover columnspeaker Motor Mass: 200 g (7The RCF COVER HD10 Protection Cover is made of a nylon material that is designed to protect your HD10 A and FD10 A speaker. It can be used to eliminate dust, dirt, and moisture during storage and transport, and reduce damage from the rigors of the road. In addition, the cover's zipper closure provides easy access. Product Specifications: Package Weight: 3. 4 lb Box Dimensions (LxWxH): 24. 2 x 16 x 3. 5"