The Sennheiser Momentum 4 and 5 offer a high-end audio experience. Both are excellent in their own right, but the 5's superior design and noise cancellation make it the pick for 2026.

With its swappable battery, the Momentum 5 is a future-proof investment. The Momentum 4 remains a great bargain at half the price, but the extra features of the newer model justify the premium in my view.

The sound profiles are very similar, with both offering a fun V-shape signature and decent transparency modes. However, the Momentum 5's heavy bass can be adjusted via the app, making it more versatile for different listening preferences.

Ultimately, while neither is a bad buy, the Momentum 5 offers more bang for your buck if you're looking to future-proof your audio experience.