Hit The Button. Feel The Bass Press the ULT button to boost your bass. Select ULT1 for deeper, lower frequency bass. Select ULT2 for powerful, punchy bass. Energize Your Party With Dynamic Lighting Bring the ultimate vibe with colorful lighting that synchronizes with your music and is easily controlled via the Sony | Music Center app and Fiestable app. Powerful Sound With X-Balanced Speaker Unit Our X-Balanced Speaker Unit features an almost rectangular diaphragm, for an increased surface area compared to conventional speaker units. The 114 mm x 114 mm large woofer unit gives clear and deep bass sound. Listen Loud And Clear The X-Balanced Speaker Unit emits a deep, punchy bass and vocal clarity at any volume. For higher frequencies, a high efficiency tweeter fills the room with crisp sound. Passive radiators optimize the sound to enhance clear bass. Put it all together and you get an audio experience worth sharing with your friends. Take The Party Outside With an IP67 waterproof, rustproof, and dustproof rating this speaker is ready for listening by the pool, at the park or wherever you like, no matter how dusty the surface – you can rinse it off. The Choice Is Yours Upright or on its side, you can position the speaker in whatever position you want so it makes the most effective use of your space. Take It Anywhere Enjoy your party inside or out with an easy-to-carry design that works standing vertically or laid on its side. The Party Never Stops With up to 30 hours of battery life, keep the party alive all night. Inputs And Setting In One Place Designed for convenience, find all the inputs and controls on the rear panel, including echo and key controls. Add An Extra Speaker For Stereo Sound If you want an even bigger sound, connect two ULT FIELD 7 speakers wirelessly for stereo sound that will spread even further. Bluetooth ® Fast Pair And Multipoint Connection With one tap, enable quick, effortless Bluetooth pairing with select Android devices. For total convenience, you can pair your ULT TOWER 7 with two Bluetooth devices at the same time, to switch instantly between different music sources. Karaoke And Guitar Connect a mic and get ready to sing or add a guitar and use the speaker as an amp. Charge In Just 10 Minutes With quick charging, 10 minutes gets you up to 3 hours of playing time.