Ultra-Thin and Lightweight Design
The FiiO JM21 boasts a sleek 13mm ultra-thin body and weighs only 156g, making it highly portable and comfortable for one-handed operation. Its sky blue contrasting color design adds a touch of elegance to its compact form factor.
High-Performance Audio Architecture
Equipped with dual Cirrus Logic CS43198 DACs and dual SGM8262 op-amps, the JM21 delivers a fully balanced audio experience. The inclusion of dual custom femtosecond crystal oscillators ensures precise timing and reduced jitter for superior sound quality.
Powerful Output in a Compact Form
Despite its slim profile, the JM21 provides a balanced power output of up to 700mW per channel at 32Ω, capable of driving a wide range of headphones with ease.
Advanced Processing Power
Powered by the Qualcomm Snapdragon 680 octa-core processor (6nm), the JM21 offers smooth performance and efficient multitasking capabilities, running on a custom Android 13 operating system.
Versatile Connectivity Options
The JM21 supports multiple output modes, including 3.5mm single-ended and 4.4mm balanced headphone outputs, SPDIF digital output, USB DAC mode, and line-out mode for connection to external amplifiers or active speakers.
Multiple Operating Modes
Users can switch between Android mode, Pure Music mode, USB DAC mode, and Bluetooth receiving mode, providing flexibility for various listening scenarios.
Extended Battery Life
With a robust 2400mAh battery, the JM21 offers up to 12.5 hours of playback time in single-ended mode and approximately 9.5 hours in balanced mode, ensuring uninterrupted music enjoyment.
Expandable Storage
The device comes with 32GB of internal storage (22GB usable) and supports microSD cards up to 2TB, allowing users to carry extensive music libraries on the go.