The side-firing passive radiators help push out a greater sense of bass depth, and the system outputs 30 watts of audio and a frequency range of 60Hz to 20KHz. Underneath, the Charge 4 employs a racetrack-style driver, measuring 1.9 by 3.5 inches and delivering mono audio. The front face of the speaker is mostly a cloth-and-metallic grille. In fact, the Charge 4 can be submerged up to 1 meter for about 30 minutes, making it an ideal poolside companion, or simply a great splash-proof, rainproof option. The speaker has an IPX7 rating, meaning it has an unspecified level of dust-ingress protection and is fully waterproof. The cylindrical 3.7-by-8.6-by-3.7-inch (HWD), 2.1-pound Charge 4 is available in a multitude of colors-10 in all, including mustard yellow and teal, as well as more standard black or red models. The JBL Charge 4, like its predecessor, wins our Editors' Choice award. The only two bummers are the lack of a speakerphone function and that the speaker is mono (this is forgivable, though, since the size would prevent true stereo separation anyway). The bass depth here is also impressive, thanks mostly to dual passive radiators that add richness and thump. With a waterproof design, the speaker outputs huge sound for its size, and it's small enough to be thrown in a tote. The previous iteration of the Charge was a hit, and the JBL Charge 4 ($179.95) is not dropping the baton.
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JBL knows how to deliver the goods when it comes to portable Bluetooth speakers. Best Malware Removal and Protection Software.