Bose S1 Pro System Portable Multi position PA system includes Battery New
Bose S1 Pro Mod
And auto eq makes sure you'e sounding your best. Bose s1 pro system portable multi position pa system includes battery new this loudspeaker has a lightweight, rugged enclosure with a built in handle, so it's easy to carry and transport just about anywhere. Sound like a pro Onboard three 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.