JBL Endurance Peak Endurance Peak 4

The JBL Endurance Peak 4 delivers a monster 48 hours of total battery and IP68 waterproofing that can survive a dunk. In our tests, connectivity, build, and ANC all rank in the top few percent of all earbuds. But sound quality is mediocre (58.9 music score), making these a fitness darling, not an audiophile's pick.

With a 12-hour battery life in the buds and a total of 48 hours from the case, the JBL Endurance Peak 4 leads our database for staying power. Its build quality and Bluetooth connectivity are essentially flawless, backed by an IP68 waterproof rating that can handle submersion. That's why it scores 89.3 for fitness in our testing—best in its category. But we have to be blunt: the sound quality is just okay. Our audio benchmarks rank it in the 64th percentile overall, and music reproduction scores a disappointing 58.9 out of 100. For podcasts and workout playlists it's fine, but don't expect the detail or soundstage of a Sony WF-1000XM5. The TwistLock design keeps them locked in place during burpees and sprints, though some wearers report ear fatigue after a couple of hours—its comfort rating sits at a solid but unremarkable 70th percentile.

The chip powering the Endurance Peak 4 delivers Bluetooth 5.4 with multipoint, and our testing shows connectivity that's practically bulletproof—ranking in the top 1% of all true wireless earbuds. The six-microphone array is equally impressive, earning a 97th percentile call quality score. For noisy gym environments, the adaptive ANC holds its ground well; it's not quite Bose-level silence but it's close, scoring in the top 3% of our database. The 10mm dynamic drivers push JBL's signature bass-forward sound, which is energetic and punchy, though the overall audio fidelity falls short of the class leaders. You'll hear kick drums and bass lines clearly, but mids and highs lack the separation you get from Sennheiser or Technics models. Battery life is a monster: 12 hours in the earbuds alone outlasts almost everything we've tested, and the case packs another 36 hours.

With a street price often hovering between $100 and $130, the Endurance Peak 4 undercuts premium ANC earbuds from Sony, Bose, and Sennheiser by $100 or more. For fitness-focused users who value durability and battery life over pristine audio, that's a stellar deal. The 48-hour total playback and IP68 rating alone justify the cost. Just be aware that if you care deeply about music fidelity, you'll get what you pay for here.

Stacked against the Sony WF-1000XM5 or Bose QuietComfort Ultra, the JBL falls demonstrably short in sound quality and comfort. The Sony, for instance, delivers richer detail and more effective ANC in a smaller package, but it's twice the price and lacks any meaningful water resistance. Samsung's Galaxy Buds3 Pro offer better sound and a more compact case, but again, they'd tap out in a heavy rainstorm. The JBL's closest rival might be the Sennheiser MOMENTUM True Wireless 4, which has better audio but only IP54 splash resistance and shorter battery life. If your priority is surviving the elements and lasting all day, the Endurance Peak 4 wins hands down.

If you primarily care about music quality, skip these. The 58.9 music score and 64th percentile overall sound rank mean you'll be disappointed by the lack of detail and instrument separation. Budget audiophiles should look at the Sony WF-1000XM5 or Sennheiser MOMENTUM True Wireless 4, which deliver richer audio but cost more and lack the ruggedness. Also, if you need all-day comfort for office use, the ear hook design and average comfort rating make these less ideal.

The JBL Endurance Peak 4 is the data-backed choice for anyone who puts their earbuds through physical extremes. Its battery, durability, and mic performance are elite, and the ANC punches well above its price. The trade-off is clear: you're sacrificing music quality for ruggedness. For gym goers, swimmers, and outdoor athletes, that's a bargain. But if you're a music-first listener, the sub-60 music score is a dealbreaker. We recommend it for active users who know exactly what they need—and what they're willing to leave behind.