The Yamaha YBSP300 is a soft, rolling carry case for the Yamaha STAGEPAS 300 or two MSR100 speakers. Plus it has endless applications so this is a musician's dream bag! The YBSP300 also provides the perfect case for a variety of other instruments. Simply slide the adjustable padded divider over a few inches for a percussionist's gig bag with seperate compartments for a snare drum and stand. Guitarists can say goodbye to lugging around heavy gear because this bag will house a combo amp and essential cables. YBSP300 is perfect for any musician looking for an easy way to roll all their gear to the gig, check the measurements for compatability.