Sound great anywhere with the ultra-portable Bose S1 Pro Multi-Position PA system. Designed for musicians, DJs, and general PA use, the S1 Pro is the ultimate all-in-one PA, floor monitor, practice amplifier and primary music system. Multiple positions, supported by Auto EQ, ensure that you always sound your best. And with a 3-channel mixer, reverb, Bluetooth streaming and ToneMatch processing onboard, the S1 Pro is ready to be your go-anywhere PA. High-output sound from a small, convenient system that is ready to perform whenever and wherever you are. Lightweight, ultra-portable enclosure is designed to transport effortlessly using the convenient carry-handle. Rechargeable lithium-ion battery allows you to perform anywhere for hours. Onboard 3-channel mixer offers independent ToneMatch, reverb, and EQ controls on two channels, with a dedicated channel for either wired (3.5 mm) or wireless music sources. Wireless Bluetooth streaming from your mobile device, with one-touch pairing. Multiple positions with Auto EQ ensure that you always sound your best, regardless of placement orientation. Speaker stand compatible with standard 35 mm pole mounts.