1 Piece of 100cm x 100cm Polyester Fiber Speaker Soundproofing Foam,12.8 oz, Suitable for Speaker Repairs, Replacements, and DIY Speakers,Used to Fill and sew Cloth Pockets, MATS and Crafts music_update_2022 allowing users to set their

allowing users to set their own brightness levels

Power Supply：DC 9V(Negative in the center)

Suitable for a variety of string instruments such as acoustic guitar

facilitates cleaning

1 Piece of 100cm x 100cm Polyester Fiber Speaker Soundproofing Foam,12.8 oz, Suitable for Speaker Repairs, Replacements, and DIY Speakers,Used to Fill and sew Cloth Pockets, MATS and Crafts music_update_2022 allowing users to set their1 Piece of 100cm x 100cm Polyester Fiber Speaker Soundproofing Foam,12. 8 oz, Suitable for Speaker Repairs, Replacements, and DIY Speakers,Used to Fill and sew Cloth Pockets, MATS and Crafts Product Features This polyester fiber filling has an ideal density for speaker construction, occupying minimal internal volume while enhancing the fullness of the bass. It effectively prevents most high frequency sounds from escaping through the speaker's port,