Marshall
Marshall Monitor III A.N.C.
Marshall's flagship is the battery champion of this entire list: 70 hours with ANC on, 100-plus with it off, and a 15-minute charge buys 12 more hours. The vinyl-textured, guitar-amp styling is divisive but distinctive, the brass joystick handles every control without touch-surface guesswork, and at 250g with a folding design it travels well. Owners praise the energetic, rock-friendly tuning — helped by Soundstage spatial audio and a proper app EQ — though the 32mm drivers can sound congested next to the Px7 S3. The honest downsides: ANC is a clear tier below Bose and Sony (fine for offices, modest on planes), codec support is bare-bones SBC/AAC despite the LE Audio-ready Bluetooth 5.3 silicon, and the clamp runs tight for the first weeks. Street price around $250 undercuts the flagships it borrows features from.
Specifications
Highlights
Pros
- ✓70-hour ANC battery — longest of any flagship rival
- ✓15-minute charge buys 12 hours
- ✓Brass joystick handles everything without touch-surface guesswork
- ✓Distinctive guitar-amp styling stands out from black slabs
- ✓250 grams with a folding travel-friendly design
- ✓Energetic rock-friendly tuning with proper app EQ
Cons
- ✗ANC a clear tier below Bose and Sony
- ✗Bare-bones SBC/AAC despite LE Audio-ready Bluetooth 5.3
- ✗32mm drivers sound congested next to the Px7 S3
- ✗Clamp runs tight for the first weeks
- ✗No adaptive ANC or speech detection like rivals offer
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Sony
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Now that the XM6 exists, the XM5 has become the value play — routinely dipping to around $248 on Amazon, nearly $150 under its original price. The ANC and warm, bass-forward tuning still hold up against anything in this bracket, multipoint works reliably, and at 250g it disappears on your head. But know the ownership record: the non-folding design means a bulky case, and there are widespread reports of the headband stems cracking at the hinge after a year or two — enough that it spawned class-action chatter. Touch controls can misfire in cold or humid weather, and the smooth plastic scuffs easily. If you can live with babying the hinges, this is a lot of flagship for mid-range money; if you're rough on gear, the XM6's return to folding metal hinges is worth the premium.
This is the QC45's successor and the sensible Bose: physical buttons instead of touch surfaces, a design that folds flat and small, 240g of legacy QuietComfort comfort, and about 90% of the Ultra's noise cancellation for roughly $229 on sale (from a $349 list). Owners love that it just works — clicky buttons you can find with gloves on, adjustable ANC modes, and a 3.5mm jack for airplane systems. What you give up versus the Ultra line: no Immersive Audio, no aptX (SBC/AAC only), Bluetooth 5.1, and a plasticky build that creaks a little if you flex it. The 24-hour battery is fine but behind the pack, and the sound is classic polite Bose — smooth, a bit soft in the treble, helped by the app's simple 3-band EQ. A boring, excellent commuter headphone.
Sonos
Sonos Ace
Sonos' first headphone launched at $449 into the middle of the company's app meltdown, and the market never forgave it — which is why it now routinely sells around $279, where it's a legitimately great buy. The build is the class of the field short of AirPods Max: stainless steel, memory foam, and 312g that wears lighter than it sounds. Sound is refined and spacious, aptX Lossless works with Snapdragon phones, and TV Audio Swap — beaming your soundbar's audio to the headphones with Dolby Atmos head tracking — is the killer feature. The catch: Swap requires owning a Sonos Arc, Beam, or Ray, and unlike Sonos speakers it can't join whole-home audio over WiFi. ANC is solid but a tier below Bose and Sony, and the app's reputation still trails the hardware. At street price, easy to recommend.