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Soundcore P31i by Anker, Real-Time Adaptive Noise vs TOZO NC9 Hybrid Active Noise Cancelling Wireless

Updated August 2026 — Soundcore P31i by Anker, Real-Time Adaptive Noise wins on sound and features, TOZO NC9 Hybrid Active Noise Cancelling Wireless wins on durability and value.

The Soundcore P31i offers superior noise cancellation and sound quality, while the TOZO NC9 excels in battery life and affordability.

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

Noise Cancelling

P31i reduces noise by up to 52 dB compared to NC9's 45 dB.

Sound Quality

P31i is Hi-Res Certified with LDAC technology.

Features

P31i includes real-time translation in over 100 languages.

Why TOZO NC9 Hybrid Active Noise Cancelling Wireless is better

Price

NC9 is priced at $26.57, about 47% cheaper.

Battery Life

NC9 offers up to 60 hours total playtime.

Water Resistance

NC9 has an IPX8 rating, superior for outdoor use.

Overall score

Soundcore P31i by Anker, Real-Time Adaptive Noise
85
TOZO NC9 Hybrid Active Noise Cancelling Wireless
75

Specifications

SpecSoundcore P31i by Anker, Real-Time Adaptive NoiseTOZO NC9 Hybrid Active Noise Cancelling Wireless
Noise Cancelling52 dB45 dB
Playtime50 hours60 hours
Water ResistanceIP55IPX8
Microphones6 AI mics6 mics
Bluetooth5.35.3

Dimension comparison

Soundcore P31i by Anker, Real-Time Adaptive NoiseTOZO NC9 Hybrid Active Noise Cancelling Wireless

Introduction to the Soundcore P31i and TOZO NC9

When it comes to wireless earbuds, the Soundcore P31i by Anker and the TOZO NC9 offer compelling features tailored to different user needs. The Soundcore P31i is priced at $49.99, while the TOZO NC9 is significantly lower at $26.57, making it about 47% cheaper. Understanding the unique attributes of each product can help consumers make informed decisions based on their preferences and budget.

Noise Cancelling Performance

The Soundcore P31i boasts advanced Real-Time Adaptive Noise Cancelling that can reduce noise by up to 52 dB, automatically adjusting to your environment for optimal sound isolation. In contrast, the TOZO NC9 features Hybrid Active Noise Cancelling with a maximum reduction depth of 45 dB. While both earbuds excel in their noise-cancelling capabilities, the Soundcore P31i offers slightly more effective noise reduction. For users who prioritize quiet environments while enjoying music or calls, the P31i may be the better choice.

Sound Quality

In terms of sound quality, the Soundcore P31i is Hi-Res Certified and utilizes LDAC technology to deliver lossless audio with rich, well-balanced treble and bass. This feature allows for an immersive listening experience, ideal for audiophiles. On the other hand, the TOZO NC9 employs 10mm drivers and OrigX Acoustic 2.0 sound technology to produce deep bass and clear audio. While the NC9 provides a satisfying listening experience, the P31i's superior sound certification and technology may appeal to those seeking the best sound possible.

Call Quality

When it comes to call quality, the Soundcore P31i is equipped with six AI-enhanced microphones that utilize a noise reduction algorithm to ensure clear conversations, even in noisy environments. The TOZO NC9 also features six microphones but emphasizes its Environmental Noise Cancellation (ENC) to filter out background sounds. Both earbuds deliver crisp call quality, but the P31i's advanced algorithms could provide a slight edge in clarity during calls, especially outdoors, making it a strong contender for users who frequently take calls on the go.

Battery Life and Charging

The Soundcore P31i offers an impressive playtime of up to 10 hours on a single charge, totaling 50 hours with the charging case. Even with ANC activated, users can enjoy 8 hours of playtime per charge. The TOZO NC9 surpasses this with 14 hours of playtime (ANC off) and 10 hours (ANC on) from a single charge, extending to 60 hours total with the case when ANC is off. While both options provide substantial battery life, the TOZO NC9 is designed for users who need longer uninterrupted listening times, especially for extended use without frequent recharging.

Comfort and Fit

Comfort is crucial for any in-ear headphones, and both the Soundcore P31i and TOZO NC9 are designed with user comfort in mind. The P31i is engineered to fit snugly in the ear, offering a secure fit for longer listening sessions. Similarly, the TOZO NC9 comes with six sizes of replaceable ear caps, ensuring a customizable fit for various ear shapes. While both models prioritize comfort, the TOZO NC9's additional sizing options may provide a more tailored experience for users who find standard ear tips uncomfortable.

Durability and Water Resistance

The TOZO NC9 stands out with its IPX8 waterproof rating, making it resistant to sweat and rain, suitable for outdoor activities or workouts. The Soundcore P31i, while not rated as high for water resistance, still features an IP55 rating, providing some protection against dust and water splashes. For active individuals who frequently engage in outdoor or fitness activities, the TOZO NC9's superior waterproofing may make it the more practical choice.

Technology and Features

The Soundcore P31i incorporates innovative features like real-time translation in over 100 languages, which can be beneficial for travelers or multilingual users. Additionally, it supports spatial audio and rapid charging capabilities, allowing for a quick 10-minute charge that provides 3.5 hours of listening. The TOZO NC9 offers unique features such as 32 EQ options via its app, allowing users to customize their sound experience further. Both earbuds come equipped with Bluetooth 5.3 for stable connectivity, but the Soundcore P31i's additional functionalities may appeal to tech-savvy users seeking more versatility.

Which should you buy?

Choosing between the Soundcore P31i and the TOZO NC9 ultimately depends on your specific needs and budget. The Soundcore P31i excels in noise cancellation, sound quality, and advanced features like real-time translation, making it a great option for users who prioritize superior audio experiences and communication clarity. However, if you are looking for a more budget-friendly option with excellent battery life and waterproof capabilities, the TOZO NC9 is a compelling choice at about 47% lower in price. Assess your priorities—whether it's sound quality, battery life, or extra features—to make the best choice for your lifestyle.