Redefine mobile HiFi listening with the Fosi Audio MD3. Featuring a MagSafe magnetic attachment design, an ESS Sabre ES9039Q2M DAC chip, a customizable 1.28-inch color display screen, dual USB-C pass-through charging ports, and dual 3.5mm single-ended and 4.4mm balanced headphone outputs, the MD3 eliminates dangling dongles while delivering desktop-grade audio quality.

Key Features

* MagSafe Magnetic Phone Attachment
Snaps securely onto the back of MagSafe compatible smartphones and magnetic cases using a strong internal N52 magnet array, staying firmly in place during daily commutes, gaming sessions, and travel.

* High-Performance ESS Sabre ES9039Q2M DAC
Powered by the flagship ES9039Q2M audio decoding chip, the MD3 supports PCM signals up to 32-bit/384kHz and native DSD256, uncovering subtle details, clear instrument separation, and low background noise.

* Customizable 1.28-Inch Color Display Screen
Features a circular rear display screen that shows real-time sampling rate, volume level, gain mode, and power status, while allowing users to upload custom wallpapers, animated graphics, and text overlays via host software.

* Pass-Through Dual USB-C Charging Design
Equipped with dual USB-C ports—one dedicated to high-speed audio data transmission and one supporting power pass-through—allowing you to charge your host phone battery while listening simultaneously.

* Dual 3.5mm Single-Ended and 4.4mm Balanced Outputs
Delivers up to 180mW x 2 output power through the 4.4mm balanced jack, providing clean driving power for sensitive in-ear monitors and full-size headphones with impedances ranging from 16 Ohms to 300 Ohms.

* Compact CNC Aluminum Alloy Unibody
Precision CNC-machined from a single block of aluminum alloy, offering a smooth hand-feel, efficient passive heat dissipation, and built-in electromagnetic shielding against mobile network interference.

What is in the Box

* 1 x Fosi Audio MD3 MagDAC Portable DAC Amplifier
* 1 x USB-C to USB-C Ribbon Data Cable
* 1 x Magnetic Metal Ring Plate (for Non-MagSafe Phones)
* 1 x User Manual

Technical Specifications

* DAC Chipset: ESS Sabre ES9039Q2M
* Display: 1.28-Inch Circular Color LCD
* Output Power: Up to 180mW x 2 (4.4mm Balanced @ 32 Ohms)
* Recommended Headphone Impedance: 16 Ohms to 300 Ohms
* Max Sampling Rate: PCM up to 32-bit/384kHz, Native DSD up to DSD256
* Signal-to-Noise Ratio: Greater than or equal to 120 dB
* Frequency Response: 20Hz - 20kHz (±0.5 dB)
* Inputs: USB Type-C (Audio Data), USB Type-C (Power Pass-Through)
* Outputs: 3.5mm Single-Ended Headphone Jack, 4.4mm Balanced Headphone Jack
* Mounting Mechanism: Integrated MagSafe Compatible N52 Magnet Array
* Housing Material: CNC-Machined Aluminum Alloy