The Turtlebox Grande Outdoor Bluetooth Speaker in Mossy Oak Bottomland is the largest and loudest flagship audio system in the lineup, purpose-built for massive outdoor events. This military-grade powerhouse pushes an incredible 126 decibels of concert-level sound without distortion, driven by dual Class D digital amplifiers, a 1.25-inch titanium tweeter, and a massive 10-inch woofer. Its heavy-duty, IP67-rated enclosure is 100% drop, crush, and dust-proof while remaining buoyant and fully submersible in both fresh and saltwater. Upgraded with Bluetooth 5.4, it features advanced touch controls supporting True Wireless Stereo (TWS) left-right pairing and an innovative Party Mode to infinitely link multiple Gen 3, Ranger, or Grande models together. Complete with a built-in pro audio mount, heavy-duty stainless steel tie-downs, and a massive 158Wh lithium-ion battery delivering 40+ hours of continuous runtime, it effortlessly provides immersive surround sound for groups of up to 100 people. Turtlebox Grande Outdoor Bluetooth Speaker Mossy Oak Bottomland w/ Party & TWS Mode, Pro Audio Mount, 40hr Battery TB-GRAN-G1-MO BTTM-1