FiiO JM21 Review & 2025 Audiophile DAP Showdown: The $199 Hi‑Fi Player Shaking Up Astell&Kern and Sony
Design & Build The FiiO JM21 breaks from the chunky designs of past FiiO players, offering a sleek, smartphone-like form factor. It measures about 120.7 × 68 × 13 mm and weighs