Bottom line

Sennheiser MOMENTUM True Wireless 4 is a 2024 wireless anc earbuds aimed at a specific buying decision, not a one-size-fits-all recommendation. The most useful question is whether its strengths solve a daily problem that a less expensive or differently equipped alternative cannot. Our assessment draws on the cited maker specifications and specifically attributed third-party testing where available; WeraOne has not physically tested this unit.

Best for: Listeners whose Android devices explicitly support Qualcomm aptX Adaptive or Lossless and who value broad codec compatibility alongside adjustable sound.

Where the value actually lies

Sennheiser is particularly noteworthy for codec breadth rather than a spectacular unqualified frequency-range claim. With SBC, AAC, LC3 and Qualcomm aptX options, it can connect across diverse phones; the best mode still requires mutual negotiation and compatible firmware. IP54 protects the buds against dust and splashes under standard conditions.

Verified specifications

Disadvantages and compatibility limits

Bluetooth 5.4 and aptX Lossless labeling do not guarantee lossless output from arbitrary sources. An ANC-on seven-hour rating is a manufacturer estimate. Users may prefer a newer, simpler model if firmware reliability and warranty access are more important than a codec experiment.

For Bluetooth audio, the source device, app, firmware and codec negotiated during connection determine which advertised features are available. Published battery claims use specified testing modes, and ear fit or room acoustics may matter more than listed technical ranges.

What independent testing can establish

No exact-model independent test result has been verified for inclusion here. The published hardware specifications identify functions and compatibility but cannot establish real-world ANC effectiveness, tonal balance, speech pickup or measured battery life. Do not mistake a quoted manufacturer response time, noise-cancellation claim or driver rating for an independent benchmark.

Alternatives worth comparing

Sony WF-1000XM6 for newer ANC technology; Nothing Ear 3 for value and a case microphone concept; AirPods Pro 3 for tighter Apple integration.

Pre-purchase checklist

Find your phone’s actual supported codecs and test comfort in long sessions. Check the sellers’ warranty and the software-update support timeline rather than inferring it.

Sources and method

• Sennheiser technical/product source — manufacturer specifications and advertised capabilities

Editorial research cutoff: 2026-10-23. No WeraOne hands-on or lab testing claimed. Prices, updates and availability are not asserted as current at publication time.