Introduction
The Soundcore by Anker Liberty 4 NC are advanced Bluetooth 5.3 in-ear headphones designed to deliver an immersive audio experience with adaptive noise cancellation. Featuring 11mm custom drivers, Hi-Res Audio Wireless with LDAC support, and a sophisticated 6-microphone AI call system, these earbuds are engineered for superior sound quality and crystal-clear communication. With an impressive battery life and IPX4 water resistance, the Liberty 4 NC are your ideal companion for daily commutes, travel, and active lifestyles.
Soundcore Liberty 4 NC earbuds in their charging case.
What's in the Box
Before you begin, please ensure all components are present:
- Soundcore Liberty 4 NC Earbuds
- Charging Case
- Eartips (XS/S/M/L-M pre-installed)
- USB-C Charging Cable
Illustration of the Soundcore Liberty 4 NC package contents.
Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. The charging case can be charged via the provided USB-C cable or wirelessly.
- Connect the USB-C cable to the charging port on the case and a power source.
- For wireless charging, place the case on a compatible wireless charging pad.
- A 10-minute quick charge provides up to 4 hours of music playback.
The charging case supports wireless charging.
2. Pairing with Your Device
The Liberty 4 NC earbuds utilize Bluetooth 5.3 for stable and efficient connections.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings and select "Soundcore Liberty 4 NC" from the list of available devices.
- For Android devices, Fast Pair allows for quick and effortless Bluetooth pairing.
- The earbuds support multipoint connections, allowing them to be connected to two devices simultaneously.
Effortless Bluetooth pairing with Android devices.
3. Eartip Fit
For optimal sound quality and noise cancellation, ensure a proper seal with the correct eartip size. Experiment with the included eartips (XS, S, M, L-M) to find the best fit for your ears.
Operating Instructions
Adaptive Noise Cancellation (ANC 2.0)
The Liberty 4 NC features Adaptive ANC 2.0, which performs real-time calculations and adjustments based on your ear canals and the external environment. This system can eliminate up to 98.5% of noise.
- Noise Cancellation Modes: Control your ambient noise with 5 levels of noise cancellation.
- Transparency Modes: Utilize 2 transparency modes to stay aware of your surroundings.
- Travel Modes: Choose from 4 specialized modes for airplane, train, bus, and taxi environments to optimize noise reduction.
Video demonstrating the noise cancellation capabilities of the Liberty 4 NC.
Adaptive ANC 2.0 adapts to your environment for peaceful journeys.
Performance tested: Reduce noise by up to 98.5%.
Sophisticated noise suppression system diagram.
Control your soundscape with various noise cancellation and transparency modes.
Audio Quality
Experience crisp, Hi-Res sound with 11mm custom drivers. The earbuds support LDAC technology, transferring three times more data than standard Bluetooth, bringing your music to life with exceptional detail.
Crisp, Hi-Res Sound delivered by 11mm custom drivers and LDAC.
Clear Calls
Equipped with 6 beamforming microphones and an AI algorithm, the Liberty 4 NC amplify your voice and reduce background noise, ensuring clear calls even in noisy environments.
6 Mics for clear calls, amplifying your voice and reducing background noise.
Controls
The Liberty 4 NC earbuds feature touch controls for managing playback, calls, and noise cancellation modes. Please refer to the Soundcore app for customization options and a detailed guide to touch gestures, as there are no physical control buttons.
Maintenance
Cleaning
- Regularly clean the eartips with a soft, dry cloth to remove earwax and debris.
- Wipe the charging contacts on both the earbuds and the case with a clean, dry cotton swab to ensure proper charging.
- Avoid using abrasive materials or harsh chemicals.
Water Resistance
The Liberty 4 NC earbuds are IPX4 water-resistant, meaning they are protected against splashing water from any direction. This makes them suitable for workouts and light rain. However, they are not designed for swimming or submersion in water.
IPX4 waterproof rating protects against splashes and spills.
Storage
When not in use, store the earbuds in their charging case to protect them and keep them charged.
Troubleshooting
- No Sound/Poor Sound Quality: Ensure earbuds are properly seated in your ears and the correct eartip size is used. Check Bluetooth connection and device volume.
- Pairing Issues: Ensure earbuds are in pairing mode. Try resetting the earbuds (refer to the Soundcore app for specific instructions).
- Charging Issues: Clean the charging contacts on both earbuds and case. Ensure the charging cable is securely connected or the wireless charging pad is functioning correctly.
- Noise Cancellation Ineffective: Verify that ANC is activated and that the earbuds have a good seal in your ear canals. Adjust ANC levels via the Soundcore app.
If you encounter persistent issues not resolved by these steps, please contact Soundcore customer support.
Specifications
| Feature | Specification |
|---|---|
| Brand | ANKER (Soundcore) |
| Model | Liberty 4 NC |
| Communication | Wireless (Bluetooth 5.3) |
| Noise Cancellation | Adaptive Active Noise-Cancellation (ANC 2.0), up to 98.5% reduction |
| Sound Isolating | Yes |
| Drivers | 2 x 11mm Custom Drivers |
| Vocalism Principle | Hybrid Technology |
| Audio Codecs | sbc, LDAC (Hi-Res Audio Wireless) |
| Microphone | Yes (6 beamforming mics with AI algorithm) |
| Volume Control | Yes |
| Control Button | No (Touch controls) |
| Battery Life (Earbuds) | Up to 10 hours (single charge) |
| Battery Life (with Case) | Up to 50 hours |
| Charging Method | Charging case (USB-C, Wireless) |
| Connectors | Type C (for charging case) |
| Waterproof Rating | IPX4 |
| Material | PVC, Silica Gel (Headphone Pads: Silicone) |
| Package Dimensions | 11cm (L) x 11cm (W) x 6cm (H) |
| Package Weight | 0.365 kg |
Worry-free battery: 10 hours on a single charge, 50 hours with the charging case.
User Tips
- Optimize ANC: For the best noise cancellation performance, ensure you have selected the correct eartip size that provides a snug seal in your ear canal. The Soundcore app can help you test the fit.
- App Customization: Download the Soundcore app to unlock the full potential of your Liberty 4 NC. Customize touch controls, adjust EQ settings, and fine-tune your noise cancellation experience.
- Regular Cleaning: Keep the earbuds and charging case contacts clean to prevent charging interruptions and maintain hygiene.
- Firmware Updates: Periodically check the Soundcore app for firmware updates to ensure your earbuds have the latest features and performance improvements.
Warranty and Support
Soundcore by Anker products are designed for reliability and performance. For any technical assistance, warranty claims, or product inquiries, please contact our customer support team.
- Email Support: support@anker.com
Please refer to the official Soundcore website for the most up-to-date warranty information and support resources.
