The JBL Boombox 4 is a powerful and portable Bluetooth speaker designed for outdoor use and mobile entertainment. It features dual 5″ woofers dual 0.75″ tweeters and three passive radiators to deliver up to 210 W of sound with rich bass and clear highs. The speaker offers two bass modes—Deep Bass and Punchy Bass—and includes an AI Sound Boost feature that automatically enhances sound quality at high volumes. With a battery life of up to 34 hours using Playtime Boost it’s built for extended play. It’s also lighter than its predecessor and rated IP68 for water and dust resistance with multi speaker pairing supported via Auracast.