JBL JBLXTREME4BLKAM Xtreme 4 Portable Waterproof Speaker w/ Shoulder Strap Black

JBL Pro Sound - 2 woofers 2 drivers and dual pumping JBL Bass Radiators. Up to 24 hours of battery life on a single charge. Playtime Boost -add 6 hours to battery life. AI Sound Boost - predict loudspeaker movement and power response. IP67 Water and dustproof handles poolside parties or a seaside picnic. Pair speakers with PartyBoost or Auracast. Built-in power bank. 10 Minute Fast Charge. JBL Portable app. Convenient shoulder strap. Transducers: 2 x 2.75" Woofers 2 x 0.75" Tweeters. Rated output power: 2 x 300W RMS. Includes PD adapter.