Sennheiser Accentum Wireless SE specifications and in-depth review

Sennheiser Accentum Wireless SE

Manufacturer: Sennheiser

The Sennheiser Accentum Wireless SE is an over-ear wireless headphone built for extended listening sessions. Weighing 222 g and constructed with a closed-back design, it offers a solid physical build suited to everyday use. Active noise cancellation is included alongside a passive noise isolation design, giving users multiple layers of sound management depending on their environment. An ambient sound mode is also on board for those moments when awareness of surrounding audio is needed.

On the connectivity side, the Accentum Wireless SE runs on Bluetooth 5.2 and supports aptX Adaptive, aptX HD, aptX, and AAC codecs, covering a broad range of high-quality audio transmission options. The frequency response spans 10 Hz to 22,000 Hz through 37 mm drivers, with a sound pressure level rated at 106 dB/mW. Battery capacity sits at 800 mAh, delivering up to 50 hours of playback — including with ANC active — and the headphone charges via USB Type-C in approximately 3 hours. Two noise-canceling microphones support headset use, and onboard controls are placed directly on the earcup. The headphone ships with a detachable, tangle-free cable and carries a one-year warranty.

Pros
  • Battery life of 50 hours remains unchanged even with active noise cancellation enabled, supporting long uninterrupted use
  • Supports aptX Adaptive, aptX HD, aptX, and AAC codecs, covering a wide range of Bluetooth audio quality options
  • Both active noise cancellation and passive noise reduction are present, offering layered sound isolation
  • The detachable, tangle-free cable adds flexibility for wired use when needed
  • Two noise-canceling microphones enable clear voice calls and headset functionality
  • Spatial audio support broadens the listening experience beyond standard stereo
Cons
  • No in/on-ear detection means music does not pause automatically when the headphones are removed
  • Wireless charging is not supported, limiting charging convenience
  • The headphones cannot be folded, making them less practical to carry or store when on the move
  • No travel bag is included, offering no built-in protection for transport
  • NFC pairing and fast pairing are both absent, requiring manual Bluetooth setup each time
  • No mute function is available, which can be limiting during calls or meetings
Who is this for?

This headphone is well suited to users who spend extended periods listening at a desk or at home, where its 50-hour battery life with ANC active and closed-back over-ear design provide sustained, distraction-free audio. The combination of active and passive noise reduction also makes it a practical choice for open-plan office environments or commuters looking to block out ambient noise. Those who frequently take calls will appreciate the dual noise-canceling microphones and headset functionality, while listeners with Bluetooth 5.2-compatible devices can take advantage of the broad codec support including aptX Adaptive and aptX HD for higher-quality wireless audio transmission.

Who is this NOT for?

Users looking for a highly portable headphone will find the non-folding design and lack of an included travel bag a meaningful limitation, as the headphone offers no compact storage solution for frequent travel. Those who rely on quick and effortless pairing — through NFC or fast-pair functionality — will need to pair manually each time, which may feel inconvenient in fast-paced environments. The absence of in-ear detection and a mute function makes it less suited to users who frequently move between calls and ambient listening, as neither automatic pause nor quick microphone muting is available. Additionally, users who require wireless charging as part of their daily routine will need to rely solely on USB Type-C cable charging.

Design:

Fit Over-ear
weight 222 g
has a detachable cable
water resistance None
can be folded
is designed for kids
has a tangle free cable
travel bag is included
has an open-back design
has stereo speakers

The Sennheiser Accentum Wireless SE uses an over-ear fit with a closed-back design and stereo speakers, making it suited for immersive personal listening. It weighs 222 g and is not foldable, so it is better suited to home or desk use than compact travel scenarios. The headphone comes with a detachable, tangle-free cable, adding convenience for wired use when needed, though no travel bag is included. It carries no water resistance rating, is not designed for children, and does not support any form of folding for storage.

Sound quality:

has active noise cancellation (ANC)
lowest frequency 10 Hz
highest frequency 22000 Hz
driver unit size 37 mm
supports spatial audio
sound pressure level 106 dB/mW
has a neodymium magnet
has passive noise reduction

The Accentum Wireless SE covers a frequency range of 10 Hz to 22,000 Hz through 37 mm drivers, with a sound pressure level of 106 dB/mW. It includes both active noise cancellation and passive noise reduction, giving it two distinct approaches to minimizing unwanted ambient sound. Spatial audio is also supported, broadening the sense of soundstage during playback. The drivers do not use a neodymium magnet.

Power:

Battery life 50 hours
Battery life (ANC) 50 hours
charge time 3 hours
Has USB Type-C
has a battery level indicator
has wireless charging
battery power 800 mAh
Has a solar power battery
has a rechargeable battery
has a removable battery

The Accentum Wireless SE is equipped with an 800 mAh rechargeable battery that delivers 50 hours of playback — a figure that remains the same even with active noise cancellation enabled. Charging is handled via USB Type-C and takes approximately 3 hours to complete. A battery level indicator is included so users can monitor remaining charge at a glance. The battery is built-in and cannot be removed, and neither wireless charging nor solar charging is supported.

Connectivity:

connectivity Wireless
Bluetooth version 5.2
has aptX Adaptive
has aptX
has LDAC
has aptX Low Latency
has aptX HD
has aptX Lossless
has AAC
has Auracast
has fast pairing
supports Bluetooth pairing using NFC

The Accentum Wireless SE connects wirelessly via Bluetooth 5.2 and supports a notably broad set of audio codecs, including aptX Adaptive, aptX HD, aptX, and AAC, allowing for flexible high-quality audio transmission across compatible devices. LDAC, aptX Low Latency, and aptX Lossless are not supported. On the pairing side, neither fast pairing, NFC pairing, nor Auracast functionality is available.

Features:

has a noise-canceling microphone
has ambient sound mode
has in/on-ear detection
number of microphones 2
has a mute function
control panel placed on a device
can be used as a headset
Has an in-line control panel
warranty period 1 years

The Accentum Wireless SE can function as a headset, supported by two noise-canceling microphones for call and voice use. An ambient sound mode is included, letting users monitor their surroundings without removing the headphones. Controls are handled via an on-device panel on the earcup itself, with no in-line control panel on the cable. The headphones do not feature in/on-ear detection for automatic pause, nor is there a dedicated mute function. The product carries a one-year warranty.

Final Verdict

The Sennheiser Accentum Wireless SE is a well-specified over-ear headphone that makes a strong case for extended home and office listening. Its most compelling attribute is the 50-hour battery life that holds firm even with ANC enabled, paired with a broad codec lineup including aptX Adaptive and aptX HD that positions it well for users with capable Bluetooth sources. Dual noise-canceling microphones and solid connectivity via Bluetooth 5.2 round out a feature set aimed at those who want reliable all-day audio and call functionality from a single device. Its non-folding build and absence of fast pairing or wireless charging will limit its appeal for users with a more on-the-go lifestyle, but for stationary and semi-stationary listening scenarios, the Accentum Wireless SE delivers a cohesive and well-balanced specification sheet.

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