| Manufacturer | Fosi Audio |
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| Place of Business | Fosi Audio |
| Item model number | DS2 |
| Product Dimensions | 5.51 x 1.91 x 1.19 cm; 54.43 g |
| ASIN | B0CTHN2QB3 |
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Fosi Audio DS2 Portable USB C DAC DSD256 CS43131 Headphone Amp HiFi
Purchase options and add-ons
- 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 170mW@32¦¸ 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 device's battery life. With its ultra-low 1¦ÌV 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 Dual: 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
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Product details
- Product Dimensions : 5.51 x 1.91 x 1.19 cm; 54.43 g
- Date First Available : Feb. 1 2024
- Manufacturer : Fosi Audio
- Place of Business : Fosi Audio
- ASIN : B0CTHN2QB3
- Item model number : DS2
- Country of origin : China
- Customer Reviews:
From the brand
Amplifying Your Voice, Shaping Our Innovation
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Guided by our mission of "Redefining HiFi with Unmatched Value", Fosi Audio continues to fuel its passion for the Hifi industry, ramp up R&D efforts, and co-create new HiFi equipment with users. We pledge to bring more amazing Hifi gear with high value for the price, innovative design, cutting-edge technology, and premium quality, to audiophiles worldwide.
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Product information
Technical Details
Additional Information
Feedback
Product 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: 3.5/4.4mm headphone jack
- THD<0.0001%, SNR¡Ý130»åµþ, SINAD£¾109dB, Noise Floor<1¦ÌV
- Sampling Rate: Up to PCM 32bit/384kHz, DSD256; Compatibility: iOS/Android/Mac/Windows
- Output Power (32¦¸): Single-Ended 2x130mw, Balanced 2x510mw
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Leveraging Low-Power Technology
Ensures lasting listening sessions without draining the phone's battery,freeing from power concerns.
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Every note comes to life
Ultra-Low Latency, Authenticity Enhanced
Offering an immersive musical journey that truly unites you with the essence of music.
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Seamlessly Switch
3.5mm Single-Ended & 4.4mm Balanced Outputs
To unleash the potential of any headphones, opening new vistas in your audio experience.
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Dual Cirrus Logic CS43131 DAC Chips
Unlock intricate details and the true essence of music, delivering an auditory experience.
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60 Levels of Seamless
Silky Smooth Volume Control
Volume adjustment for effortless fine-tuning, putting music control at your fingertips.
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Fits Different Impedance of Headphones
Single-Ended 2x130mw (32¦¸), Balanced 2x170mw (32¦¸), effortlessly drives mainstream headphones.
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Capturing Subtle Detail
Supports Hi-Res PCM 32bit/384kHz, DSD256
Masterfully reproduces sound, thereby redefining the ultimate standards of auditory enjoyment.
Comparison Table
DAC+Headphone Amp | Type | DAC+Headphone Amp |
250mW@32 Ohm(BAL) | MAX Power Output | 220mW@32 Ohm(BAL) |
Type C+ USB A | Input | Type C+ USB A |
3.5&4.4mm Headphone | Output | 3.5&4.4mm Headphone |
Treble& Bass Control | ||
<0.0001% | THD | ¡Ü 0.0006%(SE) |
¡Ý130»åµþ | SNR | ¡Ý120»åµþ |
DAC+Headphone Amp | Type | Headphone Amp/Preamp |
250mW@32 Ohm(BAL) | MAX Power Output | 2400mW@32¦¸-High Gain |
Type C+ USB A | Input | 3.5mm line in |
3.5&4.4mm Headphone | Output | line& headphone jack |
Treble& Bass Control | | |
<0.0001% | THD | <0.001% |
¡Ý130»åµþ | SNR | ¡Ý108»åµþ |
DAC+Headphone Amp | Type | Headphone Amp+Preamp |
250mW@32 Ohm(BAL) | MAX Power Output | - |
Type C+ USB A | Input | AUX + RCA |
3.5&4.4mm Headphone | Output | 3.5 mm + 6.35 mm |
Treble& Bass Control | ||
<0.0001% | THD | ¡Ü0.03% |
¡Ý130»åµþ | SNR | ¡Ý 95dB |
DAC+Headphone Amp | Type | Headphone Amp+Preamp |
250mW@32 Ohm(BAL) | MAX Power Output | - |
Type C+ USB A | Input | Bluetooth + RCA |
3.5&4.4mm Headphone | Output | RCA+Headphone+AUX |
Treble& Bass Control | | |
<0.0001% | THD | ¡Ü 0.02% |
¡Ý130»åµþ | SNR | ¡Ý103»åµþ |


