Sennheiser Accentum True Wireless Review: Solid Features, Flat Sound

Sennheiser launched the Accentum True Wireless in May 2024 as the in-ear member of its mid-range Accentum line, sitting below the Momentum True Wireless 4. On paper it looks like a careful package: hybrid ANC, aptX support, a five-band EQ in the Smart Control app, and wireless charging. In published reviews the picture is more mixed — comfortable and well specified, yet oddly restrained in sound and weak on calls. This review is built from published reviews and manufacturer documentation, not from testing by this site, and it weighs that mixed evidence rather than smoothing it over.

Sound: open and controlled, short on energy

The 7 mm TrueResponse dynamic driver, per Sennheiser, covers 5 Hz to 21 kHz and plays SBC, AAC, aptX and LC3 — with no LDAC or aptX Adaptive in the list. TechRadar, which scored sound 3.5 out of 5, describes an open, spacious presentation that keeps dense recordings easy to follow, with even tonality and decent bass depth. The same review finds the flaw in dynamics: the presentation stays at one level, reluctant to move from quiet to loud, so energetic music loses much of its animation. SoundGuys reaches a similar place by a different route. Its measurements show low frequencies pushed a couple of decibels above its preference curve, mids around 500 Hz and 3 kHz under-emphasised by up to 5 dB, and a small lift around 13 kHz — and its HEAD acoustics MDAQS overall score is 4.1 out of 5, which it calls average for wireless earbuds. Stuff India hears the same character and calls it clinical, with crisp vocal detail and a bass line that stays tidy rather than forceful. Listeners who want a neutral, orderly sound will get on well here; listeners who want punch and drive will find it wanting, and the app EQ can only partly close that gap.

ANC: useful every day, not class-leading

Sennheiser fits hybrid ANC with off, on and anti-wind settings, plus transparency at low, mid and high levels. SoundGuys found the seal alone blocks a good deal of ambient sound, and ANC takes a noticeable further cut out of train and loud-office noise, while its anti-wind mode worked well beside the ocean. TechRadar is cooler, reporting that high frequencies slip past the cancellation with ease even though switching ANC on does not change the sound itself. Gadgets 360's summary lands in between, listing potent ANC among the strengths. The fair reading is that this is solid commuter-grade cancellation — enough for trains, offices and streets — rather than the near-silence of flagship rivals, and buyers who mainly need to dull a commute will be satisfied while buyers chasing the quietest cabin will not.

Fit, design and controls

Each bud weighs 5.5 g and the case 41 g, per Sennheiser, with four sizes of silicone tip in the box and an IP54 rating for the buds only. TechRadar, which scored design 4 out of 5, praises the ergonomic shape and long-term comfort once the buds are in, while calling the hard, slippery plastic unremarkable to look at and touch. SoundGuys agrees on both halves of that judgement: the case fits easily in a pocket and the fit held through a workout, yet the buds are large enough that people with small ears struggled, with some of its colleagues reporting a painful fit straight away. AVForums flags the same shape issue from another angle, noting it can interfere with piercings. Controls are capacitive taps, fully customisable in the app, covering playback, volume, calls, voice assistant and ANC modes, and a wear sensor pauses music when a bud is removed. HiFi Oasis, which scored the earbuds 8 out of 10 overall, lists touch controls that are too sensitive among its complaints — a useful warning for anyone who adjusts a bud often mid-run.

App, battery and connectivity

The Smart Control app is the strongest part of the package, and TechRadar scored features 4.5 out of 5. It offers a five-band equaliser with presets, a Sound Check listening test, Sound Zones that switch settings by location, adjustable transparency, and an anti-wind ANC mode. Bluetooth 5.3 brings multipoint pairing with two devices at once, and SoundGuys reports no connection trouble using AAC with an iPhone and a MacBook. Battery life, per Sennheiser, is up to 8 hours with ANC off and 6 hours with it on, reaching 28 hours with the case, and a 10-minute charge gives about 1 hour of playback. Charging runs over USB-C or a Qi pad, with a full charge taking about 1.5 hours. Gadgets 360's summary counts battery among the weaker points, which reads as a comment on the class rather than a failed claim — 28 hours total trails longer-lasting rivals, even though a single charge covers a working day comfortably.

Calls: the clearest weakness

Each bud carries two beamforming microphones, per Sennheiser, but published reviews are unusually blunt about the result. SoundGuys found the microphones fine in a quiet room and poor everywhere else, struggling to separate voice from simulated office, street and wind noise, so the person on the other end hears much of the surroundings. Gadgets 360's summary likewise lists average microphone performance as a drawback, and HiFi Oasis repeats the complaint. This matters more than it might seem, because the Accentum True Wireless is otherwise pitched as an everyday, take-anywhere pair. Anyone who takes frequent calls outdoors or on busy streets should treat this as a genuine reason to look elsewhere, while mostly indoor callers will find it acceptable.

The conflicting evidence — and why the verdict still holds

The split in published opinion is wide. AVForums awarded 9 out of 10, calling the Accentum True Wireless a large share of Momentum performance for less money, and HiFi Oasis gave 8 out of 10 for an enjoyable sound profile and solid ANC. SoundGuys, by contrast, closed by saying these would not be its first recommendation in the price range, citing passable sound, fit risk and poor microphones, and TechRadar's section scores — sound 3.5 out of 5 and value 3.5 out of 5 — point the same way. Both sides can be right, because they grade different priorities: the high scores reward comfort, specification and an orderly sound, while the low scores punish flat dynamics, partial ANC and call quality. A verdict in the middle, with a conditional recommendation, is the honest way to hold those two readings together — it does not pretend the earbuds are better than the measurements suggest, and it does not discard what the happier reviewers heard.

Who should buy it

Buy the Accentum True Wireless if you value Sennheiser's tuning and app, want a comfortable pair for long sessions, commute with ANC on, and rarely take calls in noisy places — and check the current price on Amazon, since the value case depends heavily on street pricing. Skip them if you have small ears, need reliable outdoor call quality, want hard-hitting dynamics, or expect flagship-grade silence. Owner data leans the same cautious way: Best Buy's listing for the black model averages 3.8 out of 5 from 11 reviews, with sound quality praised and battery life questioned. For the right buyer, this is a capable, well-appointed pair; for most buyers at this level, a rival with livelier sound and stronger microphones is the safer first pick.