ProX XS-SP273018PW Single Speaker Flight CaseProX XS SP273018W Universal ATA Single Speaker Flight Case fits most sized speakers 27x30x18 in. This Universal Pro Speaker case is designed to protect your speakers. It features a 3 8" laminated plywood with a hard shell and internal impact resistant padding, ensuring the best protection for your speakers during transit or storage. This universal case fits many brands of speakers, with interior dimensions of 27" H x 30"W x 18" Equipped with four