The Marshall Monitor III A.N.C. is Marshall’s flagship wireless noise-canceling over-ear headphone, released in October 2024 as the successor to the Monitor II A.N.C. from 2020. Battery life reaches 70 hours with ANC on and 100 hours with ANC off, giving over a week of listening between charges. Bluetooth 5.3 supports LE Audio and Auracast, with multipoint pairing for switching between two devices. The signature Marshall rock-oriented tuning carries over from previous generations, with adjustable EQ available through the Marshall app.
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Headphones perfect for a variety of use case situations
Battery life is the defining feature of the Monitor III A.N.C. in the flagship ANC category. A full charge delivers 70 hours with ANC active or 100 hours with ANC off, enough for a two-week international trip or a full month of commutes between plug-ins. A 15-minute quick charge on the USB-C port also delivers 12 hours of playback if you’re heading out the door with a low battery. Any USB-C wall adapter or laptop USB-C port works for charging.
Active noise cancellation is on par with what you’d expect from a $380 pair of flagship headphones. The Marshall app offers three modes: ANC on, ANC off, and Transparency Mode, which lets you hear outside sound while music plays. Marshall’s signature tuning has been carried over from previous generations, emphasizing bass and warm mids for rock, blues, and metal genres. Soundstage spatial audio is also on the newer feature list, virtualizing music as if it’s playing in a room around your head rather than inside it.
