QuietOn 4 review: sleep earbuds that prioritize noise masking over audio
The QuietOn 4 is a $315/£259 pair of wireless sleep earbuds built to block unwanted sounds rather than play music or podcasts. A week-long test found them light, comfortable, and effective at active noise cancellation, with up to 28 hours of battery life. However, they lack audio or white-noise streaming and have a fiddly charging case.
The QuietOn 4 is a wireless sleep-focused pair priced at $315/£259. It uses active noise cancellation and microphones, but no Bluetooth, so it cannot stream music, podcasts, or white noise. Battery life reaches 28 hours; each bud weighs 2 grams, and the USB-C case weighs 47 grams. Four memory-foam tip sizes are included. Rivals include the cheaper Anker Soundcore Sleep A30 and similarly priced Ozlo Sleepbuds 2.
In a week of testing against snoring and late-night noise, the buds suited a side sleeper after adjustment. The first night caused some ear discomfort, but the foam tips softened. Hot sleepers may notice ear sweat, a common earbud issue. The QuietOn 3 was less comfortable.
Sleep-focused earbuds like these may matter most to light sleepers, shift workers, city residents, and people sharing beds with snorers. By blocking sound without streaming audio, they could reduce bedtime distractions, though the lack of white noise may limit usefulness for some. The high price may keep them niche, while fiddly charging could affect nightly routines. Their broader effect may be modest, but they could support sleep quality where noise is unavoidable.