The Bose S1 Pro is an ultra-lightweight, all-in-one PA system that packs a lot of power into its 14.4-pound, multi-position enclosure. Whether you tilt, seat, or mount it, the S1 Pro delivers rich, even coverage to an entire room, with Auto EQ to eliminate hotspots on the floor. You get two channels with independent EQ, reverb, and ToneMatch technology to ensure flattering reproduction of voices and instruments, along with a dedicated third channel with an aux input and stereo Bluetooth streaming. Optional transmitters provide a complete wireless experience with microphones and instruments alike, and guitarists will appreciate the S1 Pro 's built-in FX loop. You also get a livestream mode via USB-C. Moreover, the S1 Pro 's integrated OLED screens make operating this portable PA an absolute walk in the park. The Bose S1 Pro includes a convenient carry handle for lightning-fast load-ins and setups, plus a factory-installed Li-ion battery for the utmost portability. Want to play your guitar, keyboard, or other instrument through your Bose S1 Pro portable PA system? If so, leave your cumbersome cable behind and go wireless. This wireless instrument transmitter includes a standard 1/4-inch connector, which pairs effortlessly with your S1 Pro 's integrated wireless RF receiver. This transmitter employs a reliable 2.4GHz wireless signal, yields a 30-foot operating range, and it gives you up to four hours of battery life.! Want to connect your microphone, mixer, or another source to your Bose S1 Pro portable PA system? If so, leave your cumbersome cable behind and go wireless. This wireless mic/line transmitter includes a standard XLR connector, which pairs effortlessly with your S1 Pro 's integrated wireless RF receiver. This transmitter employs a reliable 2.4GHz wireless signal, yields a 30-foot operating range, and it gives you up to four hours of battery life.