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Fosi Audio DS1 Dongle DAC Headphone Amplifier
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Shipping Information
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Customer Support
WhatsApp: +8613716612254
support@fosiaudio.com
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FAQ’s
If you have any questions, please refer here: FAQs
Product details
Description
- Small USB DAC headphone amplifier with optimized HiFi audio architecture ensures High-Resolution sound quality. The portable USB DAC DS1 is compatible with various systems like Android/iOS/Windows/Mac, compatible with the latest devices: phones/computers/tablets/laptops/audio players, etc. Wonderfully versatile when commuting in the home, office, or gaming.
- DS1 adopts ESS Technology ES9038Q2M DAC Chips supporting DSD 512 and 32Bit/768kHz PCM, features best-in-class specifications, and high-power outputs capable of supporting the most demanding of headphones with impedance above 200Ω.
- Low Noise Floor Clean Sound for True High-Fidelity. DS1 features abundant power with a high signal-to-noise ratio, low distortion, and almost 0 noise.
- 3.5MM+4.4MM Dual Headphone Outputs are both Powerful enough to easily drive most headphones. The traditional 3.5mm single-ended headphone output is widely compatible with most headphones, and a 4.4mm balanced headphone output for a more detailed audio experience. Specifications: THD+N<0.0006%, output power up to 220mw, SNR>120dB, Noise<1.6UV.
- What You Get: DS1 USB DAC Headphone Amp x1, Type-C to Type-C cable x1, USB-A to USB-C Converter x1, user manual x1, our worry-free 24-month warranty, and friendly customer service. NOTE: The new version of the DS1 headphone amp optimized the volume control which is independently controlled from the audio source device.


Specifications
| Specifications | Details |
|---|---|
| Model | DS1 |
| Output Power | 120mW(SE); 220mW(BAL) |
| Terminating Impedance | 16-300Ω |
| Input Mode | USB Type C |
| Output Mode | 3.5MM + 4.4MM Headphone |
| Frequency Range | 20Hz-20kHz (±0.5dB) |
| THD | 0.0006%(32Ω SE); 0.001%(32Ω BAL) |
| SNR | ≥120 dB |
| Sampling Rate | 32bit/768kHz |
| DSD | DSD64/128/256/512 |
| DAC Chipset | ES9038Q2M |
| Material | Tin Alloy |
| Device Weight | 38g |
What‘s in the box?
| Item | Quantity |
|---|---|
| Fosi Audio DS1 | x 1 |
| Type-C to Type-C cable | x 1 |
| USB-A to USB-C Converter | x 1 |
| User Manual | x 1 |
Specifications
Power Input
AC: 115V / 230V
Note:
115V setting supports 100–120V input
230V setting supports 220–240V input
Power Output
DC 1: 12V / 15V (Rated Power: 20W)
DC 2: 12V / 5V (Rated Power: 15W)
USB: 5V / 1A (Rated Power: 5W)
Operating Temperature
-20 ~ 40°C (-4°F ~ 104°F)
Temperature Rise Test
Temperature rise of 25°C (77°F) at full load
What‘s in the box?
- Fosi Audio PSU20*1
- 1.2m (47.2 in) DC-DC Power Cable*1
- 0.3m (11.8 in) DC-DC Power Cable*1
- User Manual*1
- AC Power Cord*1















