Sennheiser Accentum True Wireless In Ear, Black

Hear more. Carry less. All‑day Sennheiser sound with modern ANC and effortless connectivity.

Slip into your own sound bubble—without bulky gear or fussy setup. Accentum True Wireless brings Sennheiser’s signature, balanced tuning to a compact, ultra‑comfortable in‑ear that seals well, cuts noise when you need it, and stays connected to your world with crystal‑clear calls and easy transparency. If you’ve been chasing buds that sound refined rather than shouty, fit naturally rather than precariously, and charge anywhere (including on a Qi pad), these are built for you.

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Why Audiophiles Choose This Product

• • Sound quality: Lively low end with natural mids and clean treble from Sennheiser’s proprietary 7 mm TrueResponse drivers—crafted for low distortion and musical balance. Reviewers describe the voicing as controlled and even; not hyped, which makes long sessions fatigue‑free.
• • Engineering: Hybrid Active Noise Cancellation with an anti‑wind option, adjustable Transparency, and a 5‑band EQ/Sound Check in the Sennheiser Smart Control app to personalize your curve.
• • Everyday practicality: Ergonomic shell co‑designed using thousands of ear models for stability and comfort; IP54 dust/splash resistance; Qi wireless charging and USB‑C fast top‑ups.
• • Connectivity confidence: Bluetooth 5.3 with SBC/AAC/aptX and LC3, LE Audio/Auracast capable, and true multipoint to keep two devices connected at once.
• • What sets it apart: Sennheiser’s proven TrueResponse driver tech in an award‑winning, pocketable design—plus thoughtful touches like battery‑protection charging and a quick 10‑minute top‑up for an hour of listening.

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What’s Included

• • Accentum True Wireless earbuds (model ATW1), Black — 7 mm TrueResponse drivers, hybrid ANC.
• • Compact charging case — USB‑C and Qi wireless charging.
• • 4 pairs of silicone ear tips (XS, S, M, L) for a reliable seal.
• • USB‑A to USB‑C charging cable.
• • Documentation — Quick start/welcome, safety, compliance, 2‑year warranty info.

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Technical Specifications

Specification	Value	Notes
Product Type	Bluetooth true wireless in‑ear	Cable‑free earbuds with charging case.
Drivers	7 mm Sennheiser TrueResponse dynamic	Low‑distortion proprietary transducers.
Frequency Response	5 Hz–21 kHz	Full‑range tuning for modern music.
Max SPL	107 dB (1 kHz)	Headroom for dynamic recordings.
Active Noise Cancellation	Hybrid ANC + Anti‑Wind mode	Reduce low‑frequency droning; dial transparency level.
Microphones	4‑mic beamforming	Clear calls; mic band 100 Hz–10 kHz.
Bluetooth	5.3	Stable link and efficient power use.
Codecs	SBC, AAC, aptX, LC3 (LE Audio)	Broad compatibility; LE Audio/Auracast capable.
Profiles	A2DP, AVRCP, HFP; LE Audio TMAP/PBP	Versatile control/call support and broadcast readiness.
Multipoint	Yes	Maintain two active device connections.
Battery (earbuds)	Up to 8 hrs (≈6 hrs with ANC)	Real‑world battery varies by volume/codec.
Battery (total)	Up to 28 hrs with case	Two extra charges in case.
Quick/Wireless Charge	10 min ≈ 1 hr; Qi wireless	USB‑C cable included.
Water/Dust Resistance	IP54 (earbuds)	Sweat/rain ready.
Weight	5.5 g each; 52 g with case	Comfortable for extended wear; pocketable case.

Notes on software: Accentum True Wireless works with Sennheiser Smart Control (iOS/Android). In 2025, Sennheiser introduced Smart Control Plus with added tools like Sound Zones, Fit Test, Find Headphones, and an Auracast assistant; feature availability can vary by product and region.

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Professional Recognition

• • Design award: The Accentum True Wireless form factor earned a Red Dot Design award for its ergonomic approach developed with extensive ear‑model research.
• • Press coverage:
  • SoundGuys praised the robust connectivity suite—Bluetooth 5.3 with aptX/LC3, LE Audio/Auracast readiness, and multipoint—while calling the sound “average for the price.”
  • WIRED highlighted the clear, balanced tonality and feature set (Qi charging, app control), but found the presentation a little restrained compared to more energetic competitors.
  • GSMArena noted useful app extras such as Anti‑Wind ANC mode, adjustable transparency, customizable controls, and a battery‑protection charging option.
• • Heritage: Sennheiser celebrates 80 years of audio innovation in 2025; consumer headphones are produced under license by Sonova Holding AG, combining pro‑audio know‑how with hearing‑science ergonomics.

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The Bottom Line

Accentum True Wireless delivers the essentials serious listeners actually use: a clean, balanced Sennheiser sound, effective everyday ANC, class‑leading connectivity (including multipoint and LE Audio/Auracast capability), and a comfort‑first fit that disappears in the ear. If you want a compact in‑ear that favors fidelity and usability over gimmicks—and keeps playing all day with simple, dependable charging—this is the sweet spot in Sennheiser’s true‑wireless line.

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Helpful purchasing notes for wireless earbuds

• Works over Bluetooth; no external amplifier required.
• Sound signature: balanced/neutral‑leaning with tasteful bass lift; not an “ultra‑bright” or “V‑shaped” tuning. Cross‑check reviews to ensure it aligns with your preferences.
• Comfort: ergonomic shell and four tip sizes support long sessions—secure for commutes, travel, or workouts.

If you’d like, I can tailor a quick comparison against Momentum True Wireless 4 or other buds you’re considering.