Built for life’s biggest pursuits, the TURTLEBOX Grande Portable Waterproof Speaker delivers mind-blowing, concert-level sound for any outdoor adventure. Engineered to withstand the elements, this rugged speaker is completely drop, crush, and dust-proof, as well as IP-67 waterproof and buoyant in both fresh and saltwater. With two powerful Class D digital amplifiers and a 10-inch woofer, it pushes an incredible 126 decibels to easily entertain groups of up to 100 people. You can enjoy over 40 hours of continuous playtime on a single charge or infinitely pair multiple speakers together using Party Mode for an unbeatable surround sound experience. Complete with 5.4 Bluetooth connectivity and stainless steel tie-downs, the TURTLEBOX Grande is the ultimate audio powerhouse for your next tailgate, beach day, or basecamp.