The Yamaha STAGEPAS 200BTR Battery-Powered Portable PA System is a premium portable PA system that performs well above its weight class. With fast, intuitive operation of crucial live sound features, and superb overall performance, your audience will be stunned by your sound, and likely puzzled by your diminutive setup. The STAGEPAS 200 comes in 2 models, one with a high-capacity lithium-ion battery, the other compatible with optional batteries, giving you the flexibility to inspire performers and audiences alike in virtually any environment you choose, from street performances with 1-3 performers, to events, parties, and speeches.