ProX XS-SP2X282020W Universal Dual ATA Speaker Flight Case Fits 2 pcs 28x20x20 Inch SpeakersThe ProX XS 2X282020W is the perfect case for AV production companies, touring bands, entertainment groups, and mobile DJs. This case rests on four 4" casters designed for easy traveling, it also comes equipped with caster dishes on top to facilitate stacking with other flight cases. This case stores up to two stacked JBL SRX 815P Speakers. This professional speaker case employs a 3 8" Laminated Honeycomb Plywood that has a hard shell with internal