Bowers & Wilkins Pi7 S2 vs Sennheiser Momentum Sport – Key Differences & Best Choice (2026)

Fast charging support. High performance DSP. 2-way drive unit design. Wireless and USB-C charging. Waterproof IP54 earbuds only. Adaptive ANC noise-cancellation. Audio retransmission from charging case. Wireless audio retransmission technology. True 24-bit connection with aptXâ„¢ Adaptive. Hear music and movies as the artist intended. 9.2mm Dynamic Drive with Balanced Armature. Three microphones per earbud for calls and ANC. In-ear noise cancelling True Wireless headphones.

After 10 min charging 1 Hrs music playtime. Secure fit ideal for a wide range of sports â€” chose your ear fin and ear tip size for lasting fit. Sports ecosystem compatibility â€” use with leading sports watches, apps, and fitness equipment via Bluetooth. Integrated performance tracking sensors â€” measure your heart rate and body temperature using in-ear sensors. Sennheiser sound, tuned for sports â€” elevate your performance with clear sound and powerful bass in sports mode. Shock, dust, and sweat resistance â€” donâ€™t worry about water or dust with the IP55-rated water-resistant acoustic design. Adaptive ANC â€” stay focused in noisy gyms or outdoor spaces with active noise cancellation that adapts to your surroundings. Effortless Control : Smart UI with tap controls for effortless, precise earbud management during intense workouts so you can focus on achieving your fitness goals. Extended Battery Life : Never miss a beat with 24 hr total playtime (6 hrs earbuds + 18.5 hrs case) - Quick charge ensures 45 mins of playtime with just 10 mins of charging. Hear More Than Music : Unleash your workout's full potential with Sennheiser's sport sound profile, adaptive ANC, transparency mode and robust bass for immersive sound and focused training. Fitness Tracking Powered By Polar : In-ear sensors for real-time heart rate and body temperature tracking, syncing seamlessly with apps and devices for insightful health and performance metrics. Custom Fit For Every Athlete : Secure fit with interchangeable ear fins and tips for a snug, comfortable fit, plus IP55 sweat and splash resistance - Ideal for every ear shape and workout intensity.

Key Differences

The frequency response differs (2402 MHz To 2480 MHz vs 15Hz - 18KHz), which can influence how well the headphones reproduce lows, mids, and highs. The driver size differs between the two (9.2 mm vs 10 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (47 Gm vs 91 GM), which may affect comfort during extended use. Bowers & Wilkins Pi7 S2 and Sennheiser Momentum Sport offer different noise cancellation capabilities (A ANC vs Hybrid Adaptive Active Noise Cancelling), which can impact how effectively they block external noise. If you're comparing Bowers & Wilkins Pi7 S2 and Sennheiser Momentum Sport, both models offer a strong combination of sound performance, comfort, and modern wireless features. From a usability standpoint, both models provide a reliable and premium headphone experience. Bowers & Wilkins Pi7 S2 uses Bluetooth 5.0 while Sennheiser Momentum Sport supports Bluetooth 5.2, which can impact connectivity stability and efficiency. Battery life varies between the two (16 Hours vs 24 Hours), which affects how long you can use them on a single charge. Impedance levels vary (NA vs 150 Ohms), which can affect compatibility and audio output when used with different devices.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.

Top Differences

Battery Life: 16 Hours vs 24 Hours
Noise Cancelling: A ANC vs Hybrid Adaptive Active Noise Cancelling
Driver Size: 9.2 mm vs 10 mm
Bluetooth: 5.0 vs 5.2
Weight: 47 Gm vs 91 GM

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Key Differences

Top Differences