Soundcore Liberty 4 NC True Wireless Noise Cancelling Earbuds
True wireless earbuds with adaptive ANC, LDAC hi-res audio, heart rate monitor, wireless charging, and 28-hour battery — the most feature-packed earbuds under $80.
Description
The Soundcore Liberty 4 NC by Anker is a standout pair of true wireless earbuds that brings active noise cancellation, heart rate monitoring, and hi-fi LDAC audio to the under-$80 price range. With 98.5% noise reduction claimed in the marketing and a 10mm driver tuned for Soundcore’s “BassUp” low-end enhancement, it’s genuinely hard to find a better-equipped earbud at this price.
What sets the Liberty 4 NC apart from the budget crowd is the sensor suite. There’s a built-in heart rate monitor (unusual for wireless earbuds), an in-ear fit detection sensor that pauses playback when you remove an earbud, and a multipoint connection that lets you pair two devices simultaneously. LDAC codec support means you can stream high-res audio wirelessly if your Android phone supports it. The 28-hour total battery life (7 hours on the buds + 21 more from the case) is solid for the category, and the IPX4 rating keeps sweat and rain from being a concern.
What Makes the Liberty 4 NC Worth It
The noise cancellation is the headliner. At this price point most earbuds offer weak ANC that barely dents ambient noise. The Liberty 4 NC’s adaptive ANC actually works — on commutes, in coffee shops, and during flights, it noticeably reduces background hum. You also get three listening modes (ANC, Transparency, Normal) and the ability to customize everything through the Soundcore app, including EQ presets and the intensity of the ANC and transparency mode.
Quick Specs
| Driver | 10mm dynamic driver (BassUp tuned) |
| ANC | Adaptive ANC, up to 98.5% noise reduction |
| Bluetooth | 5.3, LDAC / AAC / SBC |
| Battery (buds) | 7 hours ANC on / 9 hours ANC off |
| Battery (total) | 28 hours (with case, ANC on) |
| Charging | USB-C, wireless Qi charging |
| IP Rating | IPX4 (splash resistant) |
| Multipoint | Yes (2 devices simultaneously) |
| Sensors | Heart rate monitor, in-ear detection |
| Weight (each bud) | ~5.1g |
Performance Score: 9.0 / 10
| Noise Cancellation | 9.0/10 — Effective adaptive ANC well above average for the price |
| Sound Quality | 8.5/10 — Warm V-shaped signature, LDAC support is a nice bonus |
| Battery Life | 9.0/10 — 28 hours total is excellent in this price range |
| Features | 9.5/10 — Multipoint, heart rate sensor, wireless charging, app EQ |
| Value | 9.0/10 — Feature set rivals earbuds at twice the price |
Pros & Cons
Pros
- Effective adaptive ANC — genuinely useful noise reduction
- LDAC support for hi-res wireless audio on Android
- Wireless Qi charging (rare at this price)
- Multipoint connection for two devices at once
- Built-in heart rate monitor
- Strong 28-hour total battery life
- Soundcore app with full EQ and ANC customization
Cons
- V-shaped sound signature may be too bass-heavy for neutral listeners
- Heart rate sensor accuracy is not medical-grade
- Call quality is average despite the mic array
- App is required for full feature access
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