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Fosi Audio Q4 Mini Stereo Gaming DAC Headphone AmplifierFosi Audio
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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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Headphone Amplifier DAC
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Headphone Amplifier DAC
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Product Description
Literally Plug and Play
Fosi Audio Q4 DAC & Headphone Amplifier
A compact and lightweight, user-friendly desktop audio device.
Your Sound Perception Will be Revolutionized
Q4 is an entry-level all-in-one DAC and headphone amplifier. It is plug-and-play and does not require any driver. It has the characteristics of high signal-to-noise ratio and low distortion.
- PC-USB Sampling Frequency: 24bit/96kHz
- Optical/Coaxial Sampling Rates: 24bit/192kHz
- SNR: >105dB; THD: 0.01%; Bass and Treble Range: ¡À6dB
- Operation Systems: XP/Win7/Win8/Win10/Win11/MAC/Linux
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Accommodate Various Home Audio Systems
Equipped with USB/Optical/Coaxial inputs and RCA/Headphone outputs for diverse connection needs.
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DAC + Headphone Amplifier
A compact, lightweight, and user-friendly desktop device that adapts to your varied needs.
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Perfect for Gaming
Low latency and an outstanding sound stage provide an incomparable feeling of immersion.
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A Little Gem for Music Lovers
SNR up to 105dB keeps the sound clear and pure at all times and effectively resists interference.
Comparison Chart
 Q4 |  SK01 |  SK02 |  K5 PRO |  PH04 |  PH05 | |
|---|---|---|---|---|---|---|
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Customer Reviews
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3,062
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397
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283
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1,339
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616
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109
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Type
| DAC+Headphone Amp | Headphone Amplifier/Preamp | DAC+Headphone Amplifier/Preamp | DAC+Headphone Amp | Headphone Amp | Headphone Amp |
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MAX Power Output
| - | 2400mW@32¦¸(High Gain) | 3.5mm: 280mW,4.4mm: 1100mW@32¦¸ | - | 40mW@100 Ohm | 310³¾°Â°ª32¦¸ |
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Input
| PC-USB + Optical + Coaxial | 3.5mm line in | USB + Optical | USB-C+Optical+Coaxial+3.5mm | 3.5mm AUX | 3.5mm AUX |
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Output
| RCA + 3.5mm Headphone | 3.5mm/6.35mm headphone jack | 3.5/4.4mm Headphone, AUX/OPT | RCA + 3.5mm Headphone | 3.5mm Headphone | 3.5mm Headphone ¡Á5 |
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Treble & Bass Control
| ? | ? | x | ? | x | x |
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THD
| ¡Ü0.01% | <0.001% | ¡Ü0.001% | <0.003% | - | <0.001% |
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SNR
| ¡Ý105»åµþ | ¡Ý108»åµþ | ¡Ý120»åµþ | >110dB | - | ¡Ý105»åµþ |
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Terminating Impedance
| 16-200 Ohm | 16-300 Ohm | 16-300 Ohm | 16-300 Ohm | 15-150 Ohm | 16-300 Ohm |
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Work Voltage
| DC 5V | USB-C/DC5V | USB-C/DC5V | USB-C/DC5V | DC 12V | DC12V/1A |
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