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  • Fosi Audio Q4 DAC Headphone Amp for PC, Desktop Digital to Analog Audio Converter for Home Stereo Amplifier and Powered Speakers, PC-USB/Optical/Coaxial Inputs, 3.5mm Headphone/RCA Outputs
  • Fosi Audio Q4 Mini Stereo Gaming DAC Headphone AmplifierFosi Audio

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Fosi Audio Q4 DAC Headphone Amp for PC, Desktop Digital to Analog Audio Converter for Home Stereo Amplifier and Powered Speakers, PC-USB/Optical/Coaxial Inputs, 3.5mm Headphone/RCA Outputs

4.2 out of 5 stars (3,132)
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About this item

  • Versatile Entry-Level: The Fosi Audio Q4 is an entry-level DAC and headphone amp, featuring USB, Optical, and Coaxial inputs, plus RCA and 3.5mm outputs. It drives headphones from 16¦¸ to 200¦¸, enhances audio quality, and connects to speakers or amplifiers
  • Plug-and-Play Convenience: Instant HiFi audio with no driver installation. Connect to TVs, computers, speaker systems, or DVD players. Compact design fits anywhere, offering ultimate audio freedom
  • Bass and Treble Controls: Adjustable bass and treble knobs for fine-tuning sound. Natural feel with smooth volume adjustment. High-quality metal knobs for a premium experience. Optimize audio for any source
  • Compact and High-Quality: Compact DAC converter with full metallic shell. Supports 24-bit/192kHz HD audio with low jitter. Includes output protection circuit for system safety
  • Complete Accessories: Includes USB charging cable, optical cable, and PC-USB to Type-B cable. Ensures hassle-free setup and immediate use. Seamless connectivity for various devices. (Note: No microphone input.)
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Product information

Technical Details

Manufacturer ‎Fosi Audio
Place of Business ‎ShenZhen city, Guangdong province 518000,CN
Part number ‎Q4
Item Weight ‎430 g
Product Dimensions ‎9.91 x 7.37 x 3.3 cm; 430 g
Item model number ‎Q4
Colour ‎Black
Finish ‎Matte
Material ‎Metal
Power source type ‎DC 5V
Voltage ‎220 Volts
Item Package Quantity ‎1
Mounting Type ‎Tabletop
Special Features ‎Portable
Specific Instructions for Use ‎Headphones, PC, TV
Included components ‎User Guide
Batteries Included? ‎No
Batteries Required? ‎No
Length ‎3.9 inches
Width ‎2.9 inches
Height ‎1.3 inches

Additional Information

ASIN B07VDQQY95
Customer Reviews
4.2 out of 5 stars (3,132)

4.2 out of 5 stars
Â鶹Çø Rank
Date First Available July 31 2019

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Fosi Audio Q4 DAC Headphone Amp for PC, Desktop Digital to Analog Audio Converter for Home Stereo Amplifier and Powered Speakers, PC-USB/Optical/Coaxial Inputs, 3.5mm Headphone/RCA Outputs

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From the brand

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  2. 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.

  3. »·±£³¡¾°Í¼
  4. BT20A
  5. Fosi Audio Q4 Headphone Amplifier Mini Stereo DAC 24-Bit 192 KHz USB Optical Coaxial to RCA AUX D...
    Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Mini Hi-Fi Stereo Digital-to-Analog Audio Conver...
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    Fosi Audio PH04 4 Channel Headphone Amplifier Stereo Audio Amp with 12V 1.5A Power Adapter Ultra-...

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Product details

  • Language ‏ : ‎ English
  • Product Dimensions ‏ : ‎ 9.91 x 7.37 x 3.3 cm; 430 g
  • Date First Available ‏ : ‎ July 31 2019
  • Manufacturer ‏ : ‎ Fosi Audio
  • Place of Business ‏ : ‎ ShenZhen city, Guangdong province 518000,CN
  • ASIN ‏ : ‎ B07VDQQY95
  • Item model number ‏ : ‎ Q4
  • Country of origin ‏ : ‎ China
  • Â鶹Çø Rank: #4,207 in Electronics (See Top 100 in Electronics)
  • Customer Reviews:
    4.2 out of 5 stars (3,132)

Product Description

Fosi Audio Q4 Stereo Amplifier Mini DAC

Literally Plug and Play

Fosi Audio Q4 DAC & Headphone Amplifier

A compact and lightweight, user-friendly desktop audio device.

Q4

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

Comparison Chart

Q4

SK01

SK02

K5 PRO

PH04

PH05

Customer Reviews
4.2 out of 5 stars 3,132
4.4 out of 5 stars 430
4.4 out of 5 stars 319
4.0 out of 5 stars 1,455
4.4 out of 5 stars 637
4.7 out of 5 stars 122
Type
DAC+Headphone Amp Headphone Amplifier/Preamp DAC+Headphone Amplifier/Preamp DAC+Headphone Amp Headphone Amp Headphone Amp
MAX Power Output
- 2400mW@32¦¸(High Gain) 3.5mm: 280mW,4.4mm: 1100mW@32¦¸ - 40mW@100 Ohm 310³¾°Â°ª32¦¸
Input
PC-USB + Optical + Coaxial 3.5mm line in USB + Optical USB-C+Optical+Coaxial+3.5mm 3.5mm AUX 3.5mm AUX
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
Treble & Bass Control
? ? x ? x x
THD
¡Ü0.01% <0.001% ¡Ü0.001% <0.003% - <0.001%
SNR
¡Ý105»åµþ ¡Ý108»åµþ ¡Ý120»åµþ >110dB - ¡Ý105»åµþ
Terminating Impedance
16-200 Ohm 16-300 Ohm 16-300 Ohm 16-300 Ohm 15-150 Ohm 16-300 Ohm
Work Voltage
DC 5V USB-C/DC5V USB-C/DC5V USB-C/DC5V DC 12V DC12V/1A

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