Get the party bouncing with the Sony ULT TOWER 9AC. Its 360° Party Sound is super clear, even at max volume. Hit the ULT button for Deep Bass and Attack Bass modes to satisfy your bassline addiction. The 360° Party Light syncs to the beat, and you can control it with the Sony Sound Connect app. Plus, it's portable with wheels and a handle, so you can move it around easily.Good to know- Sound Field Optimisation keeps audio clear, even in noisy environments- Connect with the optical cable for a cinematic TV sound experience- Hook up a mic or guitar for karaoke or music sessions- Add up to 100 compatible Sony speakers using Party Connect for even bigger sound