Sennheiser ACCENTUM Plus Wireless Noise-Cancelling Headphones (International Version)
Headphone purchase information
- International version / parallel import with 10-day defective-product replacement from receipt, subject to technician verification and store-policy conditions. This is not a Hong Kong manufacturer warranty. Warranty terms
- 100% brand new
- Kwun Tong collection by appointment; confirm your collection time after receiving the collection notice
- Check connections and devices. Check 3.5mm, USB or Bluetooth connection, microphone support and compatibility with your phone or computer.
- Confirm model-specific features. Noise cancellation, calls, apps and child volume limits vary by model and supplied version.
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Pickup available at Elechid
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The ACCENTUM Plus shares its acoustics with the standard ACCENTUM Wireless — same 37mm drivers, same 50-hour battery, same 10-minute-to-5-hours fast charge. What the Plus adds is adaptive noise cancelling that tracks the room instead of holding one fixed strength, aptX Adaptive instead of aptX HD, a touch panel instead of buttons, and a hard case and 3.5mm cable in the box. If those four things matter to how you listen, this is the model to take.
Key features
Adaptive hybrid ANC
Noise cancelling here adjusts continuously to what is around you rather than running at one preset level. The practical difference shows on a commute that changes character — street, MTR platform, carriage, office — where a fixed-strength system is either over-cancelling in the quiet stretches or under-cancelling in the loud ones. A transparency mode lets outside sound back in with one touch.
50 hours, and 10 minutes gets you five
Sennheiser rates the 800mAh battery at up to 50 hours with ANC running, which puts charging on a weekly rather than nightly footing. Ten minutes on the cable returns five hours of playback, and a full charge takes about three and a half hours.
aptX Adaptive, and a sound profile built from your own hearing
Codec support covers SBC, AAC, aptX and aptX Adaptive — the last one varies its bitrate with signal conditions and drops latency for video and gaming on supported Android devices. Separately, Sound Personalization runs a short hearing check developed with the Fraunhofer Institute and builds an EQ profile from your results, on top of the five-band EQ in the Smart Control app.
Wired when you need it
A 3.5mm to 2.5mm analogue cable is supplied for aircraft entertainment systems and anything without Bluetooth, and the USB-C port handles audio from a PC or Mac as well as charging. The headphones fold flat into the supplied hard case.
Specifications
| Specification | Detail |
|---|---|
| Driver | 37 mm dynamic, angled placement |
| Frequency response | 10 Hz - 22 kHz |
| Impedance | 560 ohms active, 95 ohms passive |
| Sensitivity | 106 dB SPL at 1 kHz |
| THD | Under 0.3% at 1 kHz, 100 dB SPL |
| Noise cancelling | Adaptive hybrid ANC, with transparency mode |
| Bluetooth | 5.2, Class 1, two active connections (multipoint) |
| Codecs | SBC, AAC, aptX, aptX Adaptive. No LDAC |
| Battery | 800 mAh, up to 50 hours with ANC; 10 minutes gives 5 hours; about 3.5 hours to full |
| Weight | 227 g |
| Wired | 3.5 mm to 2.5 mm analogue cable supplied; USB-C audio from PC or Mac |
| Microphones | Beamforming array for calls |
| App | Sennheiser Smart Control, 5-band EQ, bass boost and podcast modes, Sound Personalization |
| In the box | Headphones, hard carry case, analogue cable, USB-C cable |
| Stock type | International version |
Who it's for
- Commuters who move between quiet and loud environments and want the ANC to keep up on its own.
- Android users who can actually use aptX Adaptive for lower latency on video and games.
- Anyone who flies and wants a headphone that takes a wired feed from a seat-back system.
- Not for anyone who only needs fixed-strength ANC on a single quiet commute — the standard ACCENTUM Wireless shares the drivers and battery and costs less.
Warranty and delivery
This is an international version: a brand-new unit brought in from an overseas market, with the same hardware and software as local stock, but warranty running through us rather than Sennheiser Hong Kong. Cover is our 10-day exchange for units that fail. Every unit is 100% brand new and collection in Kwun Tong is by appointment after stock and collection-time confirmation; no demonstrations, fittings or listening sessions. Full terms are on the warranty policy page, and our parallel import versus licensed goods guide explains the difference in full.
Non-TV items ship by SF Express freight-collect, with the customer paying the shipping fee, or collect free at the Kwun Tong shop between 11:00 and 19:00. Details are on the shipping policy page.
Frequently asked questions
What exactly do I get over the standard ACCENTUM Wireless?
Four things: adaptive ANC instead of fixed-strength, aptX Adaptive instead of aptX HD, touch controls instead of buttons, and a hard case plus a 3.5mm cable in the box. Drivers, frequency response, battery life and fast charging are identical on both.
Is it Bluetooth 5.3?
No, 5.2. A lot of listings state 5.3 — Sennheiser's own specification says 5.2.
How long does it last with ANC switched off?
Sennheiser does not publish that figure. The 50-hour rating is quoted with ANC running, and we would rather tell you that than repeat a number from a review as though it came from the manufacturer.
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