Fosi Audio DS1 compact USB DAC and headphone amp for on-the-go listening
DS1 equipped with ES9038Q2M DAC for rich, detailed playback
DS1 supports DSD512 and PCM up to 32-bit/768kHz for high-resolution sound
DS1 delivers high power up to 220 mW for demanding headphones
DS1 offers 3.5mm and 4.4mm outputs for versatile listening setups
DS1's low noise floor provides clean, clear audio
DS1 includes cables and manual for easy setup

Fosi Audio

Fosi Audio DS1 USB-C DAC Headphone Amp – Dual Outputs, ES9038Q2M DAC, 32bit/768kHz, DSD512

High-performance electronics accessories made for confident daily results

$111.21

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Why customers choose Nexoltic

The Fosi Audio DS1 is a compact USB-C DAC headphone amplifier crafted for portable, high-fidelity listening. Its slim profile travels easily from home to commute, delivering clean, immersive sound when paired with smartphones, laptops, tablets, or dedicated music players.

At its core lies the ESS Technology ES9038Q2M DAC, supporting DSD512 and PCM up to 32-bit/768kHz. This powerful combination aims to reveal subtle textures and precise details in your favorite tracks, while providing solid drive for a wide range of headphones without crowding the source device.

DS1 also delivers ample power for high-impedance headphones (above ~200 Ω), helping you reach comfortable listening levels with minimal compression. With two headphone outputs—3.5mm unbalanced and 4.4mm balanced—you can choose the setup that suits your headphones and preferences, from broad compatibility to more nuanced, detailed playback.

Key specifications

  • DAC: ES9038Q2M with DSD512 and PCM up to 32-bit/768kHz
  • Outputs: 3.5mm unbalanced and 4.4mm balanced
  • THD+N < 0.0006%, SNR > 120 dB, Noise < 1.6 μV
  • Output power: up to 220 mW
  • Low noise floor for cleaner, more confident detail
  • Broad compatibility: USB-C input with cross-platform support; OTG when paired with an appropriate adapter

Real-life listening scenarios

  • On the go: connect to a smartphone for an upgrade to daily listening during commutes or flights.
  • Desktop work: pair with a laptop or PC for games, movies, and high-resolution music.
  • Travel-friendly setup: a compact HiFi upgrade that travels with you without adding bulk.

What you get

  • DS1 USB DAC Headphone Amp
  • Type-C to Type-C cable
  • USB-A to USB-C adapter
  • User manual

Note: The DS1 includes an independently controlled volume function, separate from the audio source, and supports OTG with an additional Lightning to USB-C cable when needed.

FAQ

Q: What devices is the DS1 compatible with?

A: DS1 works with Android, iOS, Windows, and Mac via USB-C; OTG is supported with a suitable adapter.

Q: What outputs and formats does DS1 support?

A: DS1 provides 3.5mm and 4.4mm outputs and supports DSD512 and PCM up to 32-bit/768kHz.

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