Fosi Audio MD3 Portable Magnetic DAC Headphone Amp
Fosi Audio MD3 Portable Magnetic DAC Headphone Amp - Image 2
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Fosi Audio MD3 Portable Magnetic DAC Headphone Amp - Image 5
Fosi Audio MD3 Portable Magnetic DAC Headphone Amp - Image 6
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Fosi Audio MD3 Portable Magnetic DAC Headphone Amp - Image 10
Cayin BTC-2 DAC AMP Cayin BTC-2 DAC AMP $399.00

Fosi Audio MD3 Portable Magnetic DAC Headphone Amp

$349.00

Due in stock end of July. Taking pre-orders now!

Enjoy Lossless Listening on Your Phone

MagSafe convenience with HiFi sound on the go.

  • MagSafe convenience
  • Listen and charge at the same time
  • Personalized screen / Gadget feel
  • Strong N52 Magnetic Hold
Fosi Audio MD3 Portable Magnetic DAC Headphone Amp
Fosi Audio MD3 Portable Magnetic DAC Headphone Amp
$349.00

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MagSafe Convenience

Snap on and say goodbye to dangling dongles.

MD3 magnetically attaching to a smartphone

Strong N52 Magnetic Hold

MD3 rounded aluminum corner detail

iPhone-Inspired Rounded Corners

MD3 premium leather finish

GentlePremium Leather

Pocket-sized Gadget.

Take music on the go.

Hear How Sound Should Sound

Powered by the flagship ES9039Q2M DAC, MD3 supports up to 32bit/384kHz

lossless audio and reveals every subtle detail in music.

The ES9603Q balanced amp lets you immerse yourself in musical sound.

16bit / 44.1kHz

32bit / 384kHz

Customize Your Screen

MD3 comes with built-in fun emojis, and you can also upload your favorite

images—from family photos to your idols.

Pass-Through Charging

No battery anxiety. Dual USB-C ports let you listen and charge at the same time.

Connect power to the top USB-C port, while the bottom USB-C

port keeps your phone charged.

Chipset
DAC: ESS Sabre ES9039Q2M
Amplifier Chips: ESS ES9603Q ×4
Input
USB-C (Top): Audio Decoding / Image Transfer / Charging
USB-C (Bottom): Audio Decoding / Image Transfer / Firmware Upgrade
Output
3.5mm Single-Ended, 4.4mm Balanced
USB Audio Class
UAC 2.0, UAC 1.0
Max Sampling Rate
UAC 2.0: PCM 32bit/384kHz, DSD256 (Native)
UAC 1.0: PCM 16bit/48kHz
Max Output Power (1kHz, THD+N <1%)
3.5mm: ≥80mW ×2 @32Ω
4.4mm: ≥180mW ×2 @32Ω
Frequency Response
20Hz–48kHz (±0.2dB)
SNR
3.5mm: ≥115dB
4.4mm: ≥116dB
Dynamic Range
3.5mm: ≥115dB
4.4mm: ≥116dB
THD+N
3.5mm: ≤0.00075%
4.4mm: ≤0.00084%
Noise Floor
3.5mm: <1.7μV
4.4mm: <2.7μV
Headphone Impedance
16–300Ω
Weight (without cable)
50g (±2g)
Dimensions
70 × 45 × 12 mm (2.76 × 1.77 × 0.47 in)

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