Liberty 4 NC Wireless Earbuds - Adaptive ANC, Hi-Res Sound

In this review of the Liberty 4 NC wireless earbuds the bottom line is simple: these are a strong option for travelers and commuters who want class-leading noise reduction and long battery life without a heavy price tag. The earbuds stand out for their claim of up to 98.5% noise reduction thanks to an in-ear sound sensor and a dedicated noise isolation chamber, and they pair that with Hi-Res wireless audio and LDAC support for more detailed playback. Our review focused on real-world ANC performance, daily comfort, call clarity, and battery endurance across several commutes and gym sessions.

Key Features

• Adaptive ANC 2.0: Real-time adjustments tailor noise cancelling to your ear shape and environment for quieter flights and busy commutes.
• High-Resolution Sound: 11mm custom-tuned drivers deliver crisp, detailed audio and LDAC support moves more data than standard Bluetooth for richer playback.
• Long Battery Life: Up to 10 hours per charge in normal mode and as much as 50 hours with the charging case keeps you going through long travel days.
• Personalized EQ: HearID 2.0 and 22 presets let you build a listening profile or tweak an adjustable EQ to suit genres or podcasts.
• 6-Mic Call System: Beamforming mics and AI algorithms emphasize your voice and reduce background noise for clearer calls in noisy places.
• IPX4 Water Resistance: Light rain and sweaty workouts are covered so you can use them on runs or at the gym without worry.

Who It's For

These earbuds are best for frequent travelers, daily commuters, and anyone who prioritizes active noise cancellation and long battery life alongside more detailed wireless audio. The combination of adaptive ANC and LDAC makes them especially attractive to listeners who want both quiet and quality without needing wired hi-res gear.

Those who place the highest value on ultra-compact or budget earbuds with minimal features, or who need medical-grade hearing assistance, should look elsewhere. Also, fit varies by ear, so users who have experienced fit problems with other in-ear models should try them in person when possible.

Pros & Cons

Pros

• Industry-leading noise reduction technology for very quiet travel and transit experiences.
• Hi-Res audio with 11mm drivers and LDAC support for noticeably improved detail over basic Bluetooth.
• Very long battery life with up to 50 hours total when using the case.
• Strong call performance from six mics and AI algorithms that focus on the speaker's voice.

Cons

• Fit and build quality receive mixed feedback, so comfort and seal can vary between users.
• Adaptive ANC and advanced codecs depend on source device support to get the full benefit.

Specifications

Noise Cancelling	Adaptive ANC 2.0, up to 98.5% reduction
Drivers	11mm custom-tuned drivers
Audio Codec	Hi-Res wireless audio, LDAC support
Battery Life	10 hr per charge (normal), 50 hr with case; 8 hr with ANC on, 40 hr with case
Connectivity	Bluetooth 5.3, multipoint pairing
Water Resistance	IPX4
Call System	6-mic beamforming with AI noise reduction

Our Verdict

The Liberty 4 NC earbuds are a compelling choice for people who want advanced noise cancelling, strong battery life, and improved wireless audio quality without a huge premium. They offer solid call performance and useful personalization through HearID 2.0, making them good value for travelers and daily commuters; just be mindful that fit can vary and full LDAC benefits require compatible devices.

Frequently Asked Questions

How long does the battery last with ANC on?
With ANC enabled you can expect about 8 hours per charge and up to 40 hours total when including the charging case.

Do these earbuds work with multiple devices?
Yes, they support Bluetooth 5.3 and multipoint connection for quick switching between two devices.

Are they sweat or rain resistant?
They have IPX4 water resistance, suitable for light rain and workouts but not full submersion.