Feature(may vary by option.)
●Upgraded Version: A new generation USB-C portable headphone DAC and amplifier, supporting up to DSD256 and PCM 32bit/384kHz decoding for a high-resolution sound reproduction. It delivers a powerful drive of up to 510mW@32Ω each channel, effortlessly powering high or low-impedance headphones with 3.5mm single-ended or 4.4mm balanced connections, immersing you in the exquisite world of music.
●Flagship Chips: Featuring two next-generation Cirrus Logic CS43131 DAC chips, the DS2 delivers superior system-level audio performance without draining your mobile source devices battery life. With its ultra-low 1μV noise floor, minimal 0.0001% THD, high 130dB SNR, and excellent 109dB SINAD, it enables you to enjoy pure sound.
●Easy to Use: Connect it to your audio source and enjoy high-quality music without any complicated settings. The device features independent 60-step volume control buttons, providing you with a seamless, stepless volume adjustment experience and supporting volume memory function.
●High Compatibility: Fully supports a wide range of mainstream audio source devices. Not only can it serve as a portable DAC and headphone amplifier for iPhone 15, 15 Plus, 15 Pro, iPad Pro, and Android phones, but it can also function as an external sound card for your computer, laptop or Mac, decoding high-quality music for you.
●Exquisite and Durable: The DS2 is crafted from solid metal using CNC machining and shock-resistant. Its sleek design offers a smooth and comfortable grip, providing a refined tactile experience. In addition, Fosi Audio pledges to provide a 24-month worry-free warranty and responsive customer service to all users.
[DS2]
[DS1]
Description
Upgraded Version
Fosi Audio DS2 Portable Dongle DAC Headphone Amp
Delivering enduring performance and an enhanced audio quality experience, making music clearer and more profound, always by your side.
Advanced USB-C to AUX DAC Amp
The Fosi Audio DS2 features dual flagship CS43131 DAC chips for pristine audio and low power consumption for enduring play. It supports 3.5mm single-ended & 4.4mm balanced output. With its minimal noise, delay, and distortion, dive deep into the HiFi world.
- Input: TYPE-C; Output: 3.5mm/4.4mm headphone jack
- THD<0.0001%, SNR≥130dB, SINAD＞109dB, Noise Floor<1μV
- Sampling Rate: Up to PCM 32bit/384kHz, DSD256
- Output Power: Single-Ended 2x130mw (32Ω), Balanced 2x510mw (32Ω)
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Leveraging Low-Power Technology
Ensures lasting listening sessions without draining your phones battery, no power concerns.
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Ultra-Low Latency, Authenticity Enhanced
Offering an immersive musical journey that truly unites you with the essence of music.
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3.5mm Single-Ended & 4.4mm Balanced Outputs
Switch to unleash the potential of any headphone, opening new vistas in your audio experience.
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Dual Cirrus Logic CS43131 DAC Chips
The DAC chips unlock true essence of music, delivering an auditory experience thats more immersive.
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Fits Different Impedance of Headphones
Single-Ended 2x130mw (32Ω), Balanced 2x510mw (32Ω), effortlessly drives mainstream headphones.
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Silky Smooth Volume Control
60 levels of volume adjustment for effortless fine-tuning, putting music control at your fingertips.
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Supports Hi-Res PCM 32bit/384kHz, DSD256
Capturing every subtle detail, thereby redefining the ultimate standards of auditory enjoyment.
Comparison
 DS2 |  DS1 |  Q4 |  K5 PRO |  SK01 |  SK02 |  N3 | |
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Customer Reviews
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45
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188
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2,651
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576
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83
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28
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Price
| £69.99 | £89.99 | £59.49 | £67.99 | £67.99 | £79.99 | £39.99 |
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Type
| DAC+Headphone Amp | DAC+Headphone Amp | DAC+Headphone Amp | DAC+Headphone Amp | Headphone Amp+Equalizer | Headphone Amp+Equalizer | Portable Headphone Amp |
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MAX Power Output
| 130mW(SE); 510mW(BAL) | 120mW(SE); 220mW(BAL) | 250mw@32Ω | 500mw@32Ω | 2400mW@32 Ohm | 3.5MM: 280mW/4.4MM: 1100mW@32Ω | 138mW @32Ω; 15mW @300Ω |
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Input
| Type C | Type C | USB + Optical + Coaxial | USB-C+OPT+COA+Microphone | 3.5mm AUX | USB/OPT | Blueooth + AUX |
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Output
| 3.5mm + 4.4mm Headphone | 3.5mm + 4.4mm Headphone | RCA + 3.5mm Headphone | RCA + 3.5mm Headphone | 3.5mm AUX+6.35mm Headphone | 3.5mm/4.4mm HP+3.5mm AUX/OPT | 3.5mm Headphone |
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Treble & Bass Control
| ✘ | ✘ | ✔ | ✔ | ✔ | ✘ | ✘ |
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THD
| ≤ 0.0002%(SE) ≤ 0.001%(BAL) | ≤ 0.0006%(SE) ≤ 0.001%(BAL) | ≤ 0.01% | <0.003% | ≤ 0.001% | ≤ 0.001% | ≤ 0.001% |
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SNR
| ≥130dB | ≥120dB | ≥ 105dB | >110dB | ≥ 108dB | 3.5mm: 120dB/4.4mm: 115dB | ≥ 95dB |
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Terminating Impedance
| 16-300 Ohms | 16-300 Ohms | 16-200 Ohms | 16-300 Ohms | 16-300 Ohms | 16-300 Ohms | 16-300 Ohms |
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Work Voltage
| DC 5V | DC 5V | DC 5V | USB-C/DC5V | DC 5V | DC 5V | DC 5V |
