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The HiBy W4 is a portable DAC/AMP designed to deliver premium hi-res audio performance with both wired and wireless capabilities.
Featuring dual Cirrus Logic CS43198 DAC chips, it supports audio resolutions up to 32-bit/768kHz PCM and native DSD512.
The device offers a 2-inch touchscreen for intuitive control, along with 3.5mm single-ended and 4.4mm balanced outputs.

FIIO introduced the flagship Digital Audio Player (DAP) "M27" at the Potafes 2025 event in Nagoya, Japan.
The M27, succeeding the "M17," features dual ESS ES9039SPRO DACs, providing up to 5,000mW balanced output for high-performance audio.
It is available in two models: Titanium ($2099.99) and Aluminum ($1699.99), and supports aptX Lossless Bluetooth with Qualcomm QCC5181.