JM21

🎧 FiiO JM21 (Slim Dual‑DAC Android DAP)

Overview
The FiiO JM21 delivers flagship-grade sound in a super-slim Android digital audio player. Featuring dual CS43198 DACs, balanced output, and a powerful Snapdragon 680 core, it’s designed for audiophiles who want serious performance in a lightweight form.

Key Features

• Dual CS43198 DACs + SGM8262 Op-Amps
  Balanced architecture with shielded power stages for rich, clean, high-fidelity sound.

• High Output Power
  Up to 700 mW + 700 mW via balanced output (245 mW + 245 mW single-ended), suitable for a wide range of IEMs and headphones.

• Ultra‑Slim & Lightweight
  Just 13 mm thick and 156 g, featuring a premium sky-blue aluminum body with physical playback buttons.

• Android 13 with Snapdragon 680
  Octa-core CPU with 3 GB RAM and 32 GB internal storage (22 GB usable), plus microSD expansion up to 2 TB.

• No SRC & FPGA Precision Clocking
  Dual femtosecond crystal oscillators with bit-perfect audio signal path and custom FPGA processing.

• Versatile Connectivity
  Includes 3.5 mm SE, 4.4 mm balanced, coaxial SPDIF, USB DAC mode, and Bluetooth 5.0 with LDAC, aptX HD, and LHDC support.

• Battery Life
  2400 mAh battery provides ~12.5 hours via single-ended, ~9.5 hours balanced. Fast 2-hour full charging.