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Soundcore by Anker Space A40 Adaptive Active Noise vs Soundcore P31i by Anker, Real-Time Adaptive Noise

Updated August 2026 — Soundcore by Anker Space A40 Adaptive Active Noise wins on noise cancelling and comfort, Soundcore P31i by Anker, Real-Time Adaptive Noise wins on features.

The Soundcore by Anker Space A40 excels in noise cancellation and sound quality, while the Soundcore P31i offers unique AI features. Choose based on your priorities.

Why Soundcore by Anker Space A40 Adaptive Active Noise is better

Noise Cancellation

Reduces noise by up to 98%

Sound Quality

Features double-layer diaphragm drivers for balanced sound

Comfort

Designed for prolonged use with an ergonomic fit

Why Soundcore P31i by Anker, Real-Time Adaptive Noise is better

AI Features

Includes real-time translation for over 100 languages

Microphones

Equipped with six AI-enhanced mics for clear calls

Sales Rank

Higher sales rank at 197 compared to 224

Overall score

Soundcore by Anker Space A40 Adaptive Active Noise
85
Soundcore P31i by Anker, Real-Time Adaptive Noise
78

Specifications

SpecSoundcore by Anker Space A40 Adaptive Active NoiseSoundcore P31i by Anker, Real-Time Adaptive Noise
Price$49.99$49.99
Playtime50H50H
Noise Reduction98%52 dB
Microphones16
WeightLightStandard

Dimension comparison

Soundcore by Anker Space A40 Adaptive Active NoiseSoundcore P31i by Anker, Real-Time Adaptive Noise

Overview of the Soundcore by Anker Space A40 and Soundcore P31i

When comparing the Soundcore by Anker Space A40 and the Soundcore P31i, both models are priced at $49.99, making them equally affordable options for consumers. However, they offer different features that cater to varying user needs. The Space A40 focuses heavily on noise cancellation and comfort, while the P31i emphasizes real-time translation and AI features. Understanding these distinctions can help potential buyers make an informed decision based on their priorities.

Noise Cancellation Capabilities

The Space A40 stands out with its advanced noise cancellation technology, reducing noise by up to 98%. This significant reduction allows users to immerse themselves in their music or podcasts without distractions. In contrast, the P31i features real-time adaptive noise cancelling, which can reduce noise by up to 52 dB. While both earbuds adapt to the user's environment for optimal performance, the Space A40's higher noise reduction capacity may appeal more to those seeking a quiet listening experience.

Sound Quality

When it comes to sound quality, both earbuds deliver impressive audio experiences. The Space A40 features soundcore's double-layer diaphragm drivers, providing a well-rounded sound profile with strong bass, clear mids, and bright treble. Additionally, it supports Hi-Res Audio Wireless sound via LDAC mode. Meanwhile, the P31i is Hi-Res certified and also utilizes LDAC to ensure lossless audio reproduction. Users will find that both models excel in sound quality, but the Space A40's emphasis on a balanced sound may give it a slight edge for audiophiles.

Playtime and Charging

Both the Space A40 and the P31i offer long playtime, with the Space A40 boasting up to 50 hours with the charging case and 10 hours on a single charge. A quick 10-minute charge can provide up to 4 hours of listening time. The P31i also promises 50 hours of total playtime, with 10 hours per charge and 3.5 hours from a quick 10-minute charge. While both models feature impressive playtime, the Space A40 allows for longer individual listening sessions, which may be a deciding factor for users who prioritize extended use.

Comfort and Design

In terms of comfort, the Space A40 is designed to fit snugly while remaining lightweight, making them ideal for prolonged use. The smaller size and ergonomic shape ensure a comfortable fit for users. The P31i, while also designed with comfort in mind, does not specifically highlight its size or weight advantages. For those who plan to wear earbuds for extended periods, the Space A40's focus on comfort may prove beneficial.

Additional Features

The Soundcore P31i offers some unique features that the Space A40 lacks. Notably, it includes real-time AI translation for over 100 languages, making it an excellent choice for travelers or multilingual users. Additionally, the P31i is equipped with six AI-enhanced microphones that work to provide clear calls, even in noisy environments. While the Space A40 excels in noise cancellation and sound quality, the P31i’s advanced features can enhance its utility for specific users.

Sales Ranking and Popularity

In terms of market performance, the Soundcore P31i ranks slightly higher with a sales rank of 197 compared to the Space A40's rank of 224. This difference suggests that the P31i may be more popular among consumers, possibly due to its unique features like real-time translation and AI capabilities. However, both earbuds are well-regarded, and their close rankings indicate a competitive market presence.

Price Comparison

Both the Space A40 and the P31i are priced at $49.99, making them equally affordable options. However, when examining their average prices over the last 30 days, the Space A40 averages $48.82, while the P31i's average is slightly higher at $55.43. This approximately 17% price disparity may influence buyers who are budget-conscious but also seeking specific features that justify their investment.

Which should you buy?

Deciding between the Soundcore by Anker Space A40 and the Soundcore P31i ultimately depends on individual preferences and use cases. The Space A40 is ideal for those who prioritize superior noise cancellation and sound quality, making it a great choice for music lovers and frequent travelers. Conversely, the P31i appeals to users who value AI features, such as real-time translation and enhanced call clarity, making it suitable for multilingual environments or frequent communicators. Consider your primary needs and select the model that aligns best with your lifestyle.