Image © SennheiserREVIEW: The Sennheiser Accentum Open is a terrible choice for wireless half-in-ear earbuds in 2025. Test vs Apple AirPods 4 ANC, Oppo Enco Buds3, more.
The Sennheiser Accentum Open offers open-ear listening with decent sound quality, but it’s held back by a tricky fit and a build that feels less premium than its price suggests. It includes active noise cancellation and multipoint Bluetooth, though battery life is on the shorter side for a wireless model.
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
| Driver | 11 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 11 mm |
| Drivers per side | 1 |
| Impedance | 150 Ω |
| Sensitivity | 109 dB/mW |
| Driver | 11 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 11 mm |
| Drivers per side | 1 |
| Impedance | 150 Ω |
| Sensitivity | 109 dB/mW |
| Bluetooth | 5.3 |
|---|---|
| Codecs | SBC, AAC |
| Multipoint pairing | Yes |
| Battery life | 6.5 h |
|---|---|
| Battery incl. case | 24 h |
| Full charge time | 60 min |
| Quick charge | 10 min → 1 h |
| Wireless charging | No |
| Active noise cancelling | Yes |
|---|
| Case weight | 29.3 g |
|---|---|
| Water resistance | IPX4 |
| USB-C | Yes |
| Microphones | 4 |
|---|---|
| Call noise reduction | Yes |
| Call NR technology | beamforming |
4 source(s) feeding this product's score. 1 more source(s) feed the score but are not listed, at the publisher's request.
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