Compare Open-Ear Designs
Compare open-ear and bone-conduction wireless audio by mechanism, fit, awareness limits, and the model details to verify before buying.
If you are interested in more details, you can find full information on the seller's page.
Wireless in-ear headphones with Bluetooth 4.2 and a built-in rechargeable lithium-ion polymer battery of approximately 85 mAh. Stated wireless distance is up to 10 m.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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Sennheiser Momentum Free Frequency response: 15 Hz–22 kHz
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Sennheiser Momentum 4 Wireless Up to 60 hours of playback time
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Sennheiser Momentum Black Bluetooth wireless connection
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Sennheiser Momentum True Wireless Black Frequency response: 5Hz-21KHz
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Sennheiser Momentum True Wireless 4 Bluetooth 5.4
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Sennheiser Momentum 4 Wireless Playback time: up to 60 hours.
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| Brand | Sennheiser | Sennheiser | Sennheiser | Sennheiser | Sennheiser | Sennheiser |
| Model | Momentum Free | Momentum 4 Wireless | Momentum | Momentum True Wireless | Momentum True Wireless 4 | Momentum 4 Wireless |
| Price | €128.12 | €271.38 | €565.38 | €120.21 | €226.14 | €271.38 |
| Seller | Newegg | Electronics Expo | Newegg | Newegg | Newegg | Electronics Expo |
| Update | Nov 12, 2026 | Nov 13, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Model Name | Momentum Free | Momentum 4 Wireless | Momentum | Momentum True Wireless | Momentum True Wireless 4 | Momentum 4 Wireless |
| Part Number | 508698 | M2 AEBT Black | M3IETW BLACK | |||
| Sensitivity | −44 dB V/Pa | 113dB S.P.L. at 1KHz | 94dB S.P.L. at 1KHz | |||
| Product Type | Wireless in-ear headphones | Wireless Bluetooth headphones | Around-ear headphones | True wireless earbuds | Wireless earbuds | Bluetooth headphones |
| Product family | Momentum | Momentum | Momentum True Wireless | Momentum | ||
| Bluetooth Version | 4.2 | Bluetooth 5.0 | Bluetooth 5.4 | |||
| Frequency Response | 15 Hz–22 kHz | 16Hz-22KHz | 5Hz-21KHz | 5Hz-21KHz | ||
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