Design and Detachable Concept
The FiiO LINK TWS enters a niche but growing category: detachable wireless earbuds built around ear-hook Bluetooth modules. Instead of fixed shells, you attach your own in-ear monitors (IEMs), turning the LINK TWS into a modular, flagship TWS earbud system. FiiO supports both MMCX and 0.78mm 2‑pin connectors via swappable ear hooks, a meaningful upgrade over earlier generations that often locked you into a single connector type. The hooks themselves are compact, soft and pliable, though listeners with larger ears may wish they were moldable for a truly custom fit. A physical button replaces the more common touch surface, giving a reassuring click for playback, track control and toggling transparency mode, while also reducing accidental taps when adjusting fit. Minimalist aesthetics keep LEDs hidden beneath the shell, and while this helps the LINK TWS look clean and utilitarian, it also means codec information is only visible on the source device or the cradle screen.
Bluetooth 6.0, Codec Support and Connectivity
Under the hood, the FiiO LINK TWS is far more advanced than a typical pair of detachable wireless earbuds. Built on Qualcomm’s QCC5181 platform, it transmits over a Bluetooth 6.0 radio and supports an extensive codec lineup. LDAC is on board for high‑resolution streaming, but FiiO also pushes into next‑generation territory with aptX Lossless, which offers a higher theoretical bitrate than LDAC’s 990 kbps mode. LHDC, the rest of the aptX family, plus AAC and SBC are also available, giving broad compatibility across phones, tablets and computers. One caveat is codec control: the LINK TWS itself does not let you manually fix LDAC or aptX Lossless bitrate inside FiiO’s app. To guarantee maximum performance, your source device must provide codec and bitrate selection; otherwise, the system may default to lower bitrates, slightly softening treble extension and reducing the resolution advantage these flagship TWS earbuds can deliver.
AK4333 DAC Implementation and Sound Character
Each LINK TWS module integrates its own AK4333 DAC, a key differentiator for audiophiles comparing LDAC codec earbuds. FiiO could have opted for a different chip, but the AK4333 brings a compact footprint and a built‑in class‑AB amplifier rated at 60 mW into 8 ohms, complete with impedance detection. This dedicated audio section helps the LINK TWS sound surprisingly resolving for a Bluetooth device, with cleaner separation and better micro‑detail than earlier FiiO ear‑hook designs. The tuning itself will depend on the IEMs you connect, yet the underlying presentation is controlled and refined rather than overly processed or boosted. Treble air and staging scale up when you feed the system high‑bitrate LDAC or aptX Lossless from a compatible source. Used with quality IEMs, the LINK TWS behaves less like a casual wireless accessory and more like a compact, DAC‑equipped transport for your favorite in‑ear monitors.
Everyday Use, Microphones and Charging Case
In daily use, the FiiO LINK TWS balances practicality with audiophile‑leaning features. Its physical buttons make quick work of playback and mode switching, while the transparency function adds a safety net in busy environments, albeit with no active noise cancelling on offer. Call quality is handled by dual microphones on each pod that appear to employ beamforming; voice pickup is strong, background noise is well suppressed, and there is no need to raise your voice when paired directly to a phone or PC. An odd limitation appears when combining the LINK TWS with FiiO’s AIR LINK transmitter, where the microphone becomes unavailable even though aptX Lossless is active. Charging is entirely contact‑free inside the cradle, with magnets snapping each pod into place and eliminating exposed charge pins that can corrode or require cleaning. The case displays battery information on a front screen, but its interior can feel cramped with bulkier FiiO IEM shells, sometimes requiring a 180‑degree twist to close properly.
Positioning, Value and Who It’s For
FiiO positions the LINK TWS as its flagship entry in the detachable wireless earbuds space, and the hardware choices make that clear. At a listed price of USD 219.99 (approx. RM1,030), it targets listeners who already own capable IEMs and want to cut the cable without sacrificing too much fidelity. Compared with mainstream TWS designs that lock you into a single sound signature and limited upgrade path, the LINK TWS is effectively a wireless transport and DAC/amp combo that lets your choice of IEM define the final tuning. The web interface and companion app add flexibility, though the inability to force codecs directly from the headset is a missed opportunity at this tier. Still, for enthusiasts who value modularity, strong codec support, and a dedicated AK4333 DAC in each ear, the FiiO LINK TWS stands out as a compelling, future‑leaning alternative to conventional flagship TWS earbuds.