FiiO M21 Android 13 Portable Music Player MP3 Walkman Snapdragon 680 4* CS43198 DAC Chips Hi-Res Audio DSD Bluetooth LDAC (Blue-Black)

Product Review: M21 Portable Music Device

Overview

The M21 is a state-of-the-art portable music device designed for audio enthusiasts. Featuring the powerful Qualcomm Snapdragon 680 processor, it guarantees smooth operation and excellent performance tailored for all major music applications.

Performance and Features

Processor

Built on a 6nm architecture, the Qualcomm Snapdragon 680 delivers superior performance while enhancing power efficiency. With 4GB of RAM and 64GB of storage, you can expect seamless operation for all your music needs.

Desktop Mode

The patented Desktop Mode allows the M21 to operate solely on external power, preserving the battery lifespan by preventing charging or discharging during use.

Exceptional Sound Quality

Equipped with Quad CS43198 Matrix DACs, the M21 utilizes a fully balanced 2-stage amplification system. This design features a 4-channel, 8-path fully differential output, providing a remarkable dynamic range and high noise immunity. The headphone amplifier uses a 2-stage circuit design — the first stage amplifies voltage, while the second stage enhances current, ensuring pristine sound quality and rich audio detail.

Connectivity

The M21 is versatile with dual 3.5mm and 4.4mm headphone outputs, each supported by independent line amplification circuits. Additionally, it offers SPDIF and USB audio output, with SPDIF performance that rivals professional digital transports, effectively reducing jitter by 70%.

Conclusion

The M21 stands out as a high-performance portable music device, making it an excellent choice for audiophiles seeking superior sound quality and functionality. With its advanced features and capabilities, it delivers exceptional value for anyone serious about their audio experience.