Bose Ultra Open Earbuds (2nd Gen) vs Sennheiser MOMENTUM True Wireless 5

What Ultra Open Earbuds (2nd Gen) does better (1) and where MOMENTUM True Wireless 5 wins (5) — every spec side by side.

4.6Score

1 advantage≈ $320

7.7Score

5 advantages≈ $300

Higher score

2.0Noise control & calls6.2

7.4Battery8.0

2.3Build & features3.1

Why is Ultra Open Earbuds (2nd Gen) better than MOMENTUM True Wireless 5?

Specifications

Only differences	Bose Ultra Open Earbuds (2nd Gen)≈ $3204.6	Sennheiser MOMENTUM True Wireless 5≈ $3007.7
Sound
Fit	In-ear	In-ear
Ear cup design	Closed-back	—
Driver type	Dynamic	Dynamic
Driver size	—	7 mm
Lowest frequency	—	5 Hz
Highest frequency	—	21,000 Hz
Sensitivity	—	107 dB
Spatial / 3D audio	—	Yes
Adjustable equaliser	Yes	Yes
Noise control
Active noise cancelling	No	Yes
Adaptive ANC	—	Yes
Transparency / ambient mode	—	Yes
Microphones	2	8
Noise reduction for calls	—	Yes
Battery & charging
Battery life	9 h	12 h
Battery life with ANC	—	6 h
Total with charging case	—	40 h
Charging time	1 h	1.5 h
Wireless charging (case)	Yes	Yes
Connectivity
Wireless	Yes	Yes
Bluetooth version	5.4	6
Bluetooth codecs	aptX Adaptive, AAC, SBC	aptX Lossless, aptX Adaptive, aptX, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)	Yes	Yes
aptX	Yes	Yes
LDAC	No	No
Multipoint (two devices)	Yes	Yes
USB-C	Yes	Yes
Smart & streaming
Companion app	Yes	Yes
Design & build
Earbud weight (each)	10 g	7 g
Protection rating	IPX4	IP54
Water resistance (IPx)	IPx4	IPx4
Dust protection (IP)	—	5
Colours	—	Copper, Cream, Denim, Graphite, Lavender
Features
Touch controls	—	Yes
Hands-free calls	Yes	Yes