Wireless earbuds have become an essential part of our everyday life. It combines portability with increasingly sophisticated features like active noise cancellation (ANC), transparency modes, and customizable audio profiles.
TOZO, an electronics brand based in Seattle, USA, has been contributing to this space since its establishment in 2015. The brand, known for its “Tech Around You” ethos, focuses on delivering intelligent wearable products with the latest technology at affordable prices.
The Tozo NC9 is a new product in their earbuds portfolio that delivers high-quality performance and user-friendly features without breaking the bank.
TOZO NC9 Specifications
The standout feature of the TOZO NC9 is its three-layer hybrid active noise cancellation system. The system employs outward-facing microphones to detect ambient noise and counter it with equal anti-noise.

Then, inward-facing microphones listen inside the ear canal to pick up internal sounds and produce anti-noise again to cancel the left noise twice. Last but not least, Tozo claims the bud’s ear caps block up to 90% of external sound.
The multi-layered approach ensures that the NC9 effectively isolates the outside world while you listen to your favorite artist. And for moments when there is a need to be aware of your surroundings, you can switch to Transparency Mode.
When it comes to audio, the NC9 offers 32 different audio preset profiles, allowing you to tailor the sound to your preferences. You can shuffle between these audio modes via the Tozo app which also allows you to create and share custom equalizer settings with other users. The app is also home to six different ANC profiles.

TOZO has integrated a suite of proprietary algorithms into the NC9 to elevate the music listening experience. These include:
- TOZO OrigX: Ensures lifelike sound by compensating for frequency loss as sound passes through the ear canal, delivering audio closest to reality.
- EarTune AI: Uses AI-powered auditory algorithms to personalize sound in real-time, optimizing audio sensitivity for a tailored and immersive experience.
- TOZO Bass+: Features a high-rigidity composite dome and a flexible polymer diaphragm to produce clear highs and deep, powerful bass.
- TOZO HydroGuard: Offers complete water protection with a fully sealed cavity design, paired with an IPX8 waterproof rating for reliable performance in wet conditions.
- TOZO SmartPow: Monitors and controls power usage with ultra-low-power chips and intelligent management, ensuring accurate battery status updates on the high-definition display.
The NC9 earbuds are designed for convenience. Pairing them is as simple as opening the charging case—your device will detect and connect to the earbuds automatically. Equipped with Bluetooth 5.0, the NC9 ensures stable connectivity and low-latency performance for streaming and gaming.

The NC9 offers up to 14 hours of playback on a single charge, and the included charging case extends this to an impressive 59 hours. The case has a high-definition display that shows real-time updates on battery levels. And not to forget, the buds are IPX6 rated, so you can use them during workouts and light rain.
The Tozo NC9 earbud is currently available at an exciting discount price for a limited time via the Tozo official store and Amazon.
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