However, expect to cut a few hours from that rating if you’re playing at high volume constantly. JBL claims the Charge 4 can last 20 hours on a single charge and we had no problems hitting that number playing music at low to medium volume. Speaking of the beach, the speaker is IP7X rated so feel free to dunk it or get it dusty. At max volume, the speaker is extremely loud for indoor use but the extra volume is appreciated in noisy environments like at the beach. For a medium sized room, playing music at half volume is more than enough to fill the space with sound. The JBL Charge 4 also gets impressively loud. Resolution is good, but not great, which is expected for a waterproof and portable speaker in this price range. The mids are also great, allowing vocals to come through loud and clear. The highs are no longer a weakness, allowing instruments like the violin to sing. The biggest improvement of the Charge 4 over the Charge 3 is sonic performance: While the Charge 3 was great for dishing out the bass, the Charge 4 is much more balanced in its approach. We can’t reasonably ask for any more at this price.The JBL Charge 4 (on left) next to the JBL Pulse 3 (on right). JBL has fine-tuned the sound to please even pickier ears and battery capacity has increased. That we like the JBL Charge 4 a lot should come as no surprise to those who read our Charge 3 review. This is not a 360-degree speaker, so its placement matters. The JBL Charge 4’s single forward-facing active driver also makes sure there’s a definite, if acceptably wide, listening sweet spot. With certain tracks, the proportion of bass is reduced and the upper-mids take on a harder tone. The JBL Charge 4 can’t deliver real sub-bass, but in the context of most songs it gets close enough to satisfy.īut at high volume, the strain starts to show a little. The JBL Charge 4 can deliver punchy dance and pop synth beats with convincing punch, but like every speaker this size, there is a limit to its bass floor. The low-end is tasteful, not notably hyped, but with plenty of power and depth. But it would be wrong to call this a bass-light speaker. Those who buy the Charge 4 expecting big bombastic bass based on its looks, may not find what they are after. That’s an excellent characteristic to help render vocals lines realistically, and project them properly in the mix. There’s an unusual consistency of substance and texture throughout the mids and treble, and better than average clarity to the midrange. The JBL Charge 4’s sound is classy and surprisingly refined for a mainstream speaker. It may make a good marketing video, but won’t be of much use unless you can get your hands on multiple JBL speakers. Connect+ lets up to 100 JBL speakers hook up to play the same song. The most advanced feature is the one you are least likely to use. There’s no wi-fi, no native support for digital smart assistants or proper multi-room functionality. TECH SPEC Bluetooth®version: 4.2 Support: A2DP V1.3, AVRCP V1.6 Transducer: 50 x 90mm Rated power: 30W RMS Frequency response: 60Hz 20kHz Signal-to-noise ratio: >80dB Battery type: Lithium-ion Polymer 3.6V, 7500mAh Battery charge time: 4 HOURS (5V/2. The JBL Charge 4 has Bluetooth and click button controls built into its top. This is still a fairly simple speaker, though. A rugged design, excellent battery life and ‘battery sharing’ make this a near-perfect speaker for camping holidays, long days at the beach and use at home. Like the last generation, you can also use the JBL Charge 4 to charge your phone or tablet – in fact anything that will charge over USB from a 5V supply. A handy white LED indicator on the front shows the battery level. This means you can use it at a higher volume without sacrificing longevity so much. However, battery capacity has actually been substantially increased, from 6000mAh to 7500mAh. The Charge 4 has the same claimed battery life as the Charge 3, at 20 hours. As long as the chunky connection port cover on the back is sealed, water resistance doesn’t get much better. “Take Charge 4 to the beach or the pool without worrying about spills or even submersion in water,” it says. Unlike similarly water resistant phones, JBL claims that the speaker is suitable for environments with chlorinated or salty water. IPX7 water resistance means the Charge 4 can handle being submerged in water to a depth of 1.5m.
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