Sennheiser Accentum Open True Wireless Earbuds vs Sennheiser MTW4 Momentum True Wireless 4 Earbuds
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General
| Brand | Sennheiser | Sennheiser |
| Model | Accentum Open | MTW4 Momentum True Wireless 4 |
| Country of Origin | China | |
| Design | TWS Earbuds | TWS Earbuds |
| Type | Open Ear | In the Ear |
| Connectivity | Wireless | Wireless |
Design and Body
| Weight | 38 g (With Case), 4.4 g Per Earbud | 72.4 g (With Case), 6.2 g Per Earbud |
Features
| Bluetooth | Yes, 5.3 | Yes, 5.4 |
| Bluetooth Range | 10 m | |
| USB | Yes | Yes |
| Microphone | Yes, Dual-Beamforming Microphones | Yes |
| Voice Assistant | Yes | |
| Water Resistant | Yes | Yes |
| Monaural | Yes | |
| Controls | Touch Controls | Touch |
| Music Controls | Pause/Play, Forward/Backward | |
| Call Controls | Accept/Reject calls | |
| Switch between Call and Music | Yes | |
| Additional Features | IPX4 Rated, Open Design, USB-C Charging Case, Multipoint Connectivity | IP54 Rated, Type-C Charging, Sennheiser Smart App Control, LED Indicator |
Sound Features
| Deep Bass | Yes | |
| Sensitivity | 109 dB | 107 dB SPL (1 kHz/1 mW) |
| Frequency Response | 5 Hz (Min) - 21 kHz (Max) | |
| Driver Unit | 11 mm | 7 mm |
| Driver Type | Dynamic | Dynamic |
| Active Noise Cancellation | Yes, Hybrid Adaptive ANC | |
| Other Features | Dynamic Sound | SBC, AAC, aptX, aptX Adaptive/Lossless, LC3 |
Extra
| Sales Package | Earbuds, Charging Case, USB-C Charging Cable, Quick Start Guide | 1 Pair of Earbuds, Charging Case, Charging Cable, User Manual, Additional Eartips |
| Inline Remote | Yes |
Power Features
| Battery Capacity | 820 mAh (Case), 75 mAh Per Earbud | |
| Battery | Lithium Ion, 10 Minutes of Charging = 1.5 Hours of Playtime | |
| Wireless Charging | Yes | |
| Battery Life | 28 hours (With Case) 6.5 hours (Earbuds) | 30 hours with Case (ANC Off) 7.5 hours (Earbuds with ANC Off) 7 hours (Earbuds with ANC On) |
| Charging Time | 1.5 hours (Case) |
Warranty
| Warranty | 3 years | 2 years |
| Warranty Type | Manufacturer | Manufacturer |
| Covered in Warranty | Manufacturing Defect | |
| Not Covered in Warranty | Physical Damage |
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