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The Marshall Monitor III A.N.C. is an over-ear Bluetooth headphone with active noise cancellation, a foldable frame and a hard case. Its headline figure is battery life: 70 hours with ANC on and 100 hours with it off, far beyond most noise-cancelling rivals. Marshall also adds Dynamic Loudness, which rebalances bass, mids and treble at each volume, and Soundstage spatial audio. It suits long-haul travellers, commuters and Marshall fans who want the brand's warm, guitar-forward tuning with serious endurance. Reviewers generally rate the sound and battery highly; the ANC is improved over the previous Monitor but still a step behind the best from Bose and Sony, and the fit runs fairly clampy for some heads.
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Owners and reviewers praise the battery life, the warm Marshall tuning and the sturdy foldable build. Most say the noise cancellation is better than the Monitor II but not class-leading, and some find the clamp tight over long sessions.
The Marshall Monitor III A.N.C. is a pair of over-ear Bluetooth headphones with active noise cancelling. The noise cancelling is upgraded from the previous model. It continuously measures ambient noise to block out unwanted sound, and wind noise is reduced. Transparency mode lets outside sound in when you want it.
Dynamic Loudness adjusts the treble, mids and bass at every volume. Soundstage spatial audio gives the music a wider presence outside the head. Playtime is 70 hours wireless with noise cancelling on and 100 hours with it off, which is 40 hours more than the previous model.
The build is rugged, and the headphones fold to fit in the included hard case. The ear cushions are soft for comfortable long listening.
