What the Soundcore Liberty 5 Pro Series Is and Why It Matters
The Soundcore Liberty 5 Pro and Liberty 5 Pro Max are mid-range ANC earbuds that use Anker’s custom Thus AI chip to deliver AI noise cancellation, local voice controls and enhanced call quality, signaling a shift toward proprietary silicon in affordable true wireless audio. Instead of relying on common off‑the‑shelf SoCs, Anker’s audio brand Soundcore has built its own processor to power advanced features in the Liberty 5 Pro series, from multi‑mic noise isolation to adaptive sound tuning and on‑device AI. This aligns the earbuds with a broader trend in consumer tech, where brands seek more control over performance, battery life and unique features. By putting the AI model directly on the earbuds, the Liberty 5 Pro series aims to stand out among mid-range ANC earbuds that often share similar hardware and noise cancellation performance.
Inside the Thus AI Chip: Compute-In-Memory and Local Processing
The Thus AI chip at the heart of the Soundcore Liberty 5 Pro series is built around a Compute‑In‑Memory (CIM) architecture that Anker says boosts AI matrix compute power by 150x compared to previous designs used in its earlier earbuds. Steven Yang, Founder and CEO of Anker, explains that “every AI chip built until now stores the model on one side and does the computation on the other,” while Thus “puts the computation where the model already lives.” In practice, this means less data shuttling between memory and processor, promising higher efficiency and lower power draw. The chip runs a local AI model on the earbuds themselves, without depending on cloud processing. This underpins features such as fast, offline voice commands and real‑time noise analysis, while also offering privacy benefits because audio data does not need to leave the device.
AI Noise Cancellation, Call Clarity and Sound Tuning
For AI noise cancellation and calls, the Liberty 5 Pro and Pro Max combine the Thus processor with eight MEMS microphones and two bone conduction sensors. The AI runs in real time to separate speech from background noise, improving voice clarity in challenging environments. According to Soundcore, the Liberty 5 Pro series has achieved a Guinness World Records certification for the “Highest speech quality score (G-MOS) for TWS earbuds (objective test).” The ANC itself is claimed to be twice as strong as the previous generation and to edge out a leading competitor, processing sensor data up to 384,000 times per second. Beyond suppression of external sound, multiple onboard AI models analyze playback to enrich vocals, deepen bass and enhance detail, while the Soundcore app still provides a manual EQ for listeners who want to override automated tuning and shape the sound profile themselves.
Features, Use Cases and the Pro vs Pro Max Split
While both Soundcore Liberty 5 Pro models share the same core Thus AI platform, they differ in cases and productivity extras. Each case integrates a screen, with the Liberty 5 Pro using a 0.96‑inch display and the Liberty 5 Pro Max upgrading to a 1.78‑inch AMOLED touchscreen. These screens expose controls for ANC modes, earbud settings and in the Max model, fast access to AI Note Taker recordings. The earbuds also support on‑device voice controls that work without a data connection, reducing latency for commands and avoiding server‑side processing. On the connectivity front, the Liberty 5 Pro series supports the newer Bluetooth 6 standard and integrates with Apple’s Find My network for easier tracking. The Pro Max adds AI Note Taker, which can record, transcribe and summarize meetings or lectures in real time, syncing across iOS, Android, PC and Mac via the Soundcore app.
What Anker’s Custom Chip Means for Mid-Range ANC Earbuds
By putting the Thus AI chip into the Soundcore Liberty 5 Pro line, Anker moves mid-range ANC earbuds toward the kind of proprietary silicon strategy more often seen in premium flagships. Instead of sharing the same generic chipsets used across many brands, Soundcore can tune AI noise cancellation, call processing and power management for its own acoustic design. This can lead to better real‑world performance without pushing prices into ultra‑premium territory. It also sets a precedent: as AI noise cancellation and on‑device models become selling points, more mid-range competitors may feel pressure to develop or source custom chip earbuds rather than rely on standard parts. For consumers, that competition could translate into clearer calls, smarter adaptive ANC and richer personalization, as brands race to differentiate on silicon, not only on drivers, finishes and app features.