Sennheiser Accentum Open True Wireless Earbuds vs Sennheiser MTW4 Momentum True Wireless 4 Earbuds

General

BrandSennheiserSennheiser
ModelAccentum OpenMTW4 Momentum True Wireless 4
Country of OriginChina
DesignTWS EarbudsTWS Earbuds
TypeOpen EarIn the Ear
ConnectivityWirelessWireless

Design and Body

Weight38 g (With Case), 4.4 g Per Earbud72.4 g (With Case), 6.2 g Per Earbud

Features

BluetoothYes, 5.3Yes, 5.4
Bluetooth Range10 m
USBYesYes
MicrophoneYes, Dual-Beamforming MicrophonesYes
Voice AssistantYes
Water ResistantYesYes
MonauralYes
ControlsTouch ControlsTouch
Music ControlsPause/Play, Forward/Backward
Call ControlsAccept/Reject calls
Switch between Call and MusicYes
Additional FeaturesIPX4 Rated, Open Design, USB-C Charging Case, Multipoint ConnectivityIP54 Rated, Type-C Charging, Sennheiser Smart App Control, LED Indicator

Sound Features

Deep BassYes
Sensitivity‎109 dB107 dB SPL (1 kHz/1 mW)
Frequency Response5 Hz (Min) - 21 kHz (Max)
Driver Unit11 mm7 mm
Driver TypeDynamicDynamic
Active Noise CancellationYes, Hybrid Adaptive ANC
Other FeaturesDynamic SoundSBC, AAC, aptX, aptX Adaptive/Lossless, LC3

Extra

Sales PackageEarbuds, Charging Case, USB-C Charging Cable, Quick Start Guide1 Pair of Earbuds, Charging Case, Charging Cable, User Manual, Additional Eartips
Inline RemoteYes

Power Features

Battery Capacity820 mAh (Case), 75 mAh Per Earbud
Battery‎Lithium Ion, 10 Minutes of Charging = 1.5 Hours of Playtime
Wireless ChargingYes
Battery Life28 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 Time1.5 hours (Case)

Warranty

Warranty3 years2 years
Warranty TypeManufacturerManufacturer
Covered in WarrantyManufacturing Defect
Not Covered in WarrantyPhysical Damage

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