Featuring both amplified sound and size, the XPEDITION 850 Bluetooth speaker delivers best-in-class portable audio. It is the ultimate party speaker with built-in cup holders, a waterproof storage compartment, and integrated bottle opener to let you bring the party everywhere. 420W of incredible peak power and two powerful 8" woofers flood indoor or outdoor spaces with pure sound. Beast Mode puts your woofers into overdrive without distorting the sound. You can also link a second XPEDITION 850 using Bluetooth to bring even more boom. The speaker's IP67 waterproof rating means it can go from poolside to the seashore and remain protected. A durable cabinet protects the unit from dirt, dust, and debris. Built-in Bluetooth and NFC make streaming music from mobile devices simple. Plus, the XPEDITION 8 allows you to extend the party from daytime to nighttime with a multi-colored dynamic LED light show that moves to the beat of the music.