JIEZI A Portable Mini DAC

FiiO JIEZI A (芥子 A) Mini USB DAC & Headphone Amplifier

The FiiO JIEZI A (芥子 A) is an ultra-compact USB DAC and headphone amplifier designed to bring noticeably better sound quality to your everyday devices. With Hi-Res Audio support and built-in PEQ tuning, it delivers clean, powerful audio in a tiny, plug-and-play form factor—perfect for portable listening with headphones and IEMs.

Key Features

Hi-Res Audio Performance:
Certified for Hi-Res Audio, the JIEZI A delivers improved detail, clarity, and dynamics compared to standard device outputs.

Ultra-Compact & Lightweight Design:
Small enough to fit in your pocket, the JIEZI A is ideal for daily carry without adding bulk to your setup.

Powerful Output for Its Size:
Despite its miniature build, the JIEZI A provides sufficient output power to comfortably drive most earphones and portable headphones.

Built-In PEQ Support:
Features parametric EQ (PEQ) functionality, allowing users to fine-tune their sound signature for a personalized listening experience.

Low Noise Floor:
Carefully engineered circuitry ensures clean, quiet playback, making it well-suited for sensitive in-ear monitors.

True Plug-and-Play:
No drivers required—simply connect and enjoy instant audio enhancement on supported devices.

Specifications

Audio Certification: Hi-Res Audio
EQ Function: PEQ support
Output Interface: 3.5mm single-ended headphone output
Connectivity: USB-C (bus-powered)
Compatibility: Android, Windows, macOS, iOS (with adapter)
Design: Ultra-mini, lightweight portable DAC
Color: Black
Included Accessories: JIEZI A USB DAC, user documentation