Anker’s Soundcore division quietly dropped two new flagship earbuds this month, packing features like personalized sound profiles, Dolby Atmos spatial audio and real-time AI translation. After testing both models extensively, one stands out as the technical winner. Yet the other emerges as the more practical recommendation for most buyers.

The Contenders: Soundcore Liberty 4 Pro vs. Liberty 4 NC

The higher-end model, the Liberty 4 Pro, includes a custom dual-driver setup and adaptive ANC that adjusts to your environment. It also supports Dolby Atmos head tracking and a built-in AI translation mode that works with a companion app. The Liberty 4 NC, while slightly less expensive, shares several core features: personalized sound via HearID, multipoint Bluetooth and a strong noise-canceling system.

Both earbuds offer wireless charging and IPX4 water resistance. Battery life sits at around eight hours with ANC on for each model, with the charging case adding roughly 28 hours for the Pro and 36 for the NC.

Performance Gap Narrower Than Expected

In sound quality, the Liberty 4 Pro delivers noticeably richer bass and clearer mids. The dual drivers create a wider soundstage that benefits Dolby Atmos content. However, the Liberty 4 NC holds its own in everyday use. Its single-driver design still produces balanced audio that suits most music genres and podcasts.

Noise cancellation on the Pro model feels more aggressive, especially in low-frequency hums like airplane engines. The NC version cancels less total noise but still handles office chatter and street traffic well. Neither model suffers from the hissing or pressure issues common on cheaper ANC earbuds.

The AI translation feature on the Pro works in real time through the app. It supports multiple languages but requires a stable internet connection. Latency makes conversation feel slightly delayed, yet the accuracy is solid for basic phrases. For frequent travelers, this could be a valuable tool.

Why This Matters

Buyers face a real trade-off between price and performance in a crowded premium earbud market. The Liberty 4 Pro costs $149.99, while the Liberty 4 NC sells for $99.99. The $50 gap buys better sound and ANC, but the NC version already exceeds expectations for its price bracket.

Most consumers will not notice the difference unless they frequently listen to lossless audio or use Dolby Atmos content. The AI translation remains a niche feature limited by internet requirements. For the average commuter or office worker, the Liberty 4 NC offers 90% of the experience at two-thirds the cost.

Anker has positioned both models to compete directly with Sony’s WF-1000XM5 and Apple’s AirPods Pro 2. While they don’t surpass those market leaders in every area, they undercut them significantly on price. That makes either Soundcore earbud an attractive alternative for budget-conscious shoppers who refuse to compromise on features.

Practical Advice for Shoppers

Choose the Liberty 4 Pro if you value top-tier sound quality, plan to watch movies with spatial audio or rely on AI translation for travel. Choose the Liberty 4 NC if you want strong noise cancellation and good audio without spending above $100.

Anker’s strategy appears deliberate: offer a clear performance leader and a value champion under the same brand umbrella. In head-to-head testing, the Pro wins on specs, but the NC wins on common sense for the majority of users.