Sennheiser Momentum 5 vs Sony WH-1000XM6: Europe's Pick

The Sony WH-1000XM6 brought back proper hinges, so the earcups collapse inwards into a compact ball and drop into a case with a magnetic clasp. The headband is wider and flatter than the XM5's, and clamping force went up slightly to improve the seal. At 254g it is the lighter pair. The Sennheiser Momentum 5 Wireless folds flat but does not fold up, so its case is wider and flatter — fine in a rucksack, awkward in a laptop bag. At 290g it is noticeably heavier, though the fabric-wrapped headband and plush pads mean comfort over long sessions is not the problem the weight suggests. Sennheiser's earcups feel plasticky in the hand; Sony's finish is more consistent.

Sennheiser doubled its microphone count to eight and claims roughly three times better cancellation of ambient voices, and that claim holds up: office chatter and open-plan hubbub genuinely recede. But reviewers across UK and European outlets land in the same place — the Momentum 5 Wireless softens noise where the Sony WH-1000XM6 removes it. Sony's QN3 processor, a two-generation jump over the QN1, drives adaptive cancellation that handles low-frequency rumble on the Tube, a Paris RER carriage or a long-haul cabin far more convincingly. If your commute involves engines, this section decides the purchase on its own. Both handle wind noise well on calls.

Sennheiser rates the Momentum 5 Wireless at 57 hours with cancelling engaged. Sony rates the WH-1000XM6 at 30 hours in the same conditions. That is not a marginal difference, it is the difference between charging weekly and charging monthly. A full Sennheiser charge takes around two hours over USB-C. The more interesting part is what happens in year four: Sennheiser's 700mAh cell is user-replaceable with a small Phillips screwdriver, rated to hold at least 80 per cent of capacity after 25,000 hours of listening, with spare parts and cushions sold separately. Sony's battery is sealed. For European buyers watching repairability requirements tighten, that is a meaningful gap.

The two brands have picked different sides of a long-running split. Sony carries SBC, AAC, LDAC and LC3, with Bluetooth LE Audio and Auracast on board from the start — which matters as UK rail stations and European airports switch Auracast broadcasting on. Sennheiser carries SBC, AAC, aptX, aptX HD, aptX Adaptive and aptX Lossless under the Snapdragon Sound banner, with Bluetooth 5.4 today and Bluetooth 6.0 plus LE Audio promised by firmware. If you carry a Snapdragon Android phone, Sennheiser wins the wireless quality argument outright. The Momentum 5 Wireless also supports wired USB-C listening at 24-bit/96kHz; the Sony offers only an analogue cable, which remains a strange omission.

Reviewers describe the Sony WH-1000XM6 as the most detailed, dynamic and open flagship Sony has made, with a forward-focused urgency that suits propulsive rock and electronic material. The Sennheiser Momentum 5 Wireless is the more relaxed listen: rich, smooth, with an outstanding midrange and a bass response that leans generous rather than taut. Vocals and acoustic material are where it pulls ahead; driving rhythms are where the Sony does. Neither is wrong. Sennheiser offers an eight-band equaliser and sound personalisation in Smart Control Plus; Sony counters with a ten-band EQ, a Gaming preset and a cinema upmix in Sound Connect. Both apps are stable and well laid out.

Buy the Sony WH-1000XM6 if you fly often, commute by train or work somewhere loud, and if LDAC and Auracast matter to you today rather than after a firmware update. It is the better travel headphone and the better all-rounder, and it costs more for good reasons. Buy the Sennheiser Momentum 5 Wireless if you mostly listen at a desk, in a café or on foot, if the thought of charging twice a month appeals, if you use a Snapdragon Android phone, and if you would rather replace a cell in five years than replace a headphone. On sound quality per pound across Europe, Sennheiser is the stronger buy.

European buyers get a two-year legal warranty on both pairs, but what happens afterwards diverges sharply. Sennheiser sells replacement cushions and cables as spare parts and publishes battery-swap instructions in the manual, so a Momentum 5 Wireless that loses stamina in year five is a screwdriver job rather than a write-off. Sony offers a service route but no owner-serviceable cell. Neither pair carries a water resistance rating, which is worth knowing before a rainy walk to the station. Both use USB-C for charging, in line with the EU common charger rules. Sennheiser also ships smaller, plastic-free packaging and a case around 20 per cent smaller than the previous generation, which will matter to some buyers and not at all to others.