JBL Speaker Boombox 4

In the sound department, the JBL Boombox 4 picks up where the Boombox 3 left off. The redesigned Boombox 4 packs in two bigger woofers, two tweeters, and three passive radiators, so every track hits harder and sounds cleaner. We also added AI Sound Boost, our exclusive tech that analyzes your music and adjusts the acoustics in real time to reduce distortion—even at max volumes. So even if the couple on the next beach towel complains about the sound, they’ll never complain about the sound quality.