Sennheiser Momentum 4 vs Anker Soundcore Space Q45

The Momentum 4 is the better headphone for sound quality, call clarity and long-haul comfort. Its 42mm drivers, aptX Adaptive and the Smart Control EQ give a more refined, customizable listen, and owners consistently praise the 60-hour battery and light, foldable build. The Space Q45 is the value pick: strong adaptive ANC with five levels, LDAC support and a bass-forward tuning that suits travel and commutes. Reviewers rate the Momentum 4 higher overall, but the Q45 closes much of the gap for less.

• Choose the Sennheiser Momentum 4 if sound quality, call clarity and all-day comfort matter most and you want the longest battery in this pair.
• Choose the Anker Soundcore Space Q45 if you want capable adaptive noise cancelling, LDAC and a punchy bass tuning for travel without stepping up to a flagship.