Fosi Audio has announced the upcoming launch of the MD3 MagDAC, a new portable DAC/amp designed to bring high-quality wired audio to smartphones, portable devices, and everyday listening setups. Launching across various shopping platforms beginning May 25, the MD3 aims to give music lovers, commuters, travelers, and mobile users a compact way to upgrade their sound without giving up portability.
The MD3 arrives at a time when wired listening is seeing renewed attention. As more listeners revisit vinyl, CDs, dedicated hi-fi systems, and lossless streaming, portable DAC/amps have become a practical bridge between modern mobile convenience and more intentional listening habits. Fosi Audio positions the MD3 as an accessible entry point into better wired audio, with a design made for daily use rather than a stationary desktop setup.
Flagship ESS DAC Architecture in a Compact Design
At the center of the Fosi Audio MD3 MagDAC is an ESS ES9039Q2M DAC chipset, paired with four ESS ES9603 headphone amplifier chips. This architecture is built around a true balanced circuit design, giving the MD3 the technical foundation to deliver clean, detailed, and powerful playback from a very small device.
The MD3 supports both 3.5mm single-ended and 4.4mm balanced headphone outputs, making it compatible with a wide range of wired headphones and in-ear monitors. Through its balanced output, the MD3 can deliver up to 180mW of power, giving users more headroom for portable listening while keeping the unit compact enough to use with a smartphone.
Fosi Audio has also included an aluminum shielding plate between the magnetic system and internal circuitry. This design choice is meant to reduce magnetic and electrical interference, helping preserve signal integrity while still allowing the device to use its magnetic attachment system.
Built for Modern Portable Listening
One of the MD3’s most practical features is its dual USB-C port design, which allows for simultaneous playback and device charging. This gives users the ability to keep listening while powering their connected device, making the MD3 more convenient for long commutes, travel, or extended listening sessions.
The MD3 also features a MagSafe-style magnetic back plate with integrated N52 magnets, allowing it to attach securely to compatible devices. This makes the DAC/amp feel more integrated with a mobile setup, reducing cable clutter and helping the device stay in place during portable use.
LCD Display, Custom Images, and Physical Controls
Fosi Audio is also emphasizing the MD3’s user experience. The device includes a 1.28-inch LCD display with rotatable orientation, giving users an easy way to view settings and playback information. The MD3 also supports custom image uploads, adding a layer of personalization not commonly found on ultra-portable DAC/amps.
Physical controls are another key part of the design. The MD3 includes button-based navigation, a dedicated “Ease Button,” and a 100-step digital volume control with volume memory. These features give users more direct control without relying entirely on a phone screen or companion app.
Lightweight Aluminum Build
The MD3 is precision CNC-machined from 6063 aluminum alloy and weighs only 20 grams, making it one of the more pocket-friendly portable DAC/amps in Fosi Audio’s lineup. Its sandblasted anodized finish, CNC-textured surface, and engraved branding give the device a more premium industrial look while maintaining a durable, travel-ready build.
Fosi Audio MD3 MagDAC at CanJam Singapore 2026
Fosi Audio will publicly showcase the MD3 during CanJam Singapore 2026, taking place May 16–17 at the Pan Pacific Singapore. Visitors can stop by Booth E7 for hands-on demonstrations and listening sessions before the product’s wider launch later in the month.
The company will also demonstrate the MD3 alongside its IM4 in-ear monitors, presenting the combination as a compact wired listening system for users who want a more detailed and immersive alternative to standard wireless audio.
Why the MD3 Matters for Wired Audio
The MD3 reflects a growing interest in portable wired audio beyond the traditional audiophile audience. Many listeners are turning to wired IEMs and compact DAC/amps for better sound quality, more consistent playback, lower latency, and a stronger connection to the music they are listening to.
“The way people listen to music is evolving,” said Ryan Huang, Founder and CEO of Fosi Audio. “We’re seeing more listeners actively explore wired audio for its sound quality, consistency, and emotional connection to music. The MD3 was designed to make that experience portable, accessible, and easy to integrate into everyday life.”
With its ESS DAC architecture, balanced output, magnetic attachment system, dual USB-C ports, LCD display, and ultra-light aluminum chassis, the Fosi Audio MD3 MagDAC is positioned as a modern portable DAC/amp for listeners looking to get more from wired headphones and IEMs on the go.
Fosi Audio MD3 MagDAC Key Features
- ESS ES9039Q2M DAC chipset
- Four ESS ES9603 headphone amplifier chips
- True balanced circuit design
- 3.5mm single-ended headphone output
- 4.4mm balanced headphone output
- Up to 180mW of balanced output power
- Dual USB-C ports for charging and playback
- MagSafe-style magnetic attachment system with N52 magnets
- 1.28-inch rotatable LCD display
- Custom image upload support
- Dedicated physical “Ease Button”
- 100-step digital volume control with volume memory
- CNC-machined 6063 aluminum chassis
- 20g lightweight portable design
You can find more about the MD3 MagDAC from Fosi Audio.
