Fosi Audio DAC-Q4 User Manual
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Fosi Audio DAC-Q4 User Manual
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Summary of Contents for Fosi Audio DAC-Q4

  • Page 1 Fosi Audio DAC-Q4 User Manual Thanks for choosing us!
  • Page 2: Product Specifications

    3.5mm headphone jack and RCA outputs, suitable for most home audio systems. With bass and treble controls, it can be used as a preamplifier or volume control for PC/MAC/Computer. Fosi Audio Q4 ensures exquisite musicality, accurate and realistic phasing, and reproduction of the original sound! Input Type:...
  • Page 3 Product Overview & Control Functions USB/Optical/ Power Indicator Light Coaxial Input Select Multi-function knob: Bass Control 3.5mm 1.Power Switch Headphone 2.Volume Switch Output Treble Control Audio Out Optical Input DC 5V Power Coaxial Input Input PC-USB Input...
  • Page 4: Package Contents

    Step 6: Left click on the computer desktop sound icon and select Device: “Fosi Audio Q4”(Digital HiFi Audio); Step 7: Open the audio application, play and enjoy! (Note: Before connecting the power supply, please turn down the...
  • Page 5 Step 5 Step 4 Step 7 Turn on Enjoy it! Turn up “Fosi Audio Q4” Optical for example Prepare: Q4, AC adapter, Micro-USB cable, optical device (TV for example), optical cable. Step 1: Connect the Micro-USB cable to the AC adapter, then connect the Micro-USB cable to the Q4;...
  • Page 7 Optical for example Step 1 Step 2 Step 3 Step 4 AC adapte Micro-USB RAW/PCM cable Coaxial for example Prepare: Q4, AC adapter, Micro-USB cable, Coaxial device (TV for example), Coaxial cable (no include). Step 1: Connect the Micro-USB cable to the AC adapter, then connect the Micro-USB cable to the Q4;...
  • Page 8: Troubleshooting/Qa

    Troubleshooting/QA 1: How do I power the DAC-Q4? • You will need to use the supplied Micro-USB cable to power it, we recommend using the PC-USB port/5V power adapter to power it. Note: The Micro-USB cable cannot be fully inserted into the device power port, please do not force it.
  • Page 9 • Just click the sound icon in your notification area; • Click the “Select playback device” option; • Select the playback device “Fosi Audio Q4”(Digital HiFi Audio). 7: I can't play Spotify music in Plug and Play mode? • Please exit the Spotify app and switch the playback device to the...
  • Page 10 9: Why do I get an intermittent sound? • Please switch the USB port to USB 3.0 or back USB port and try again, as some USB ports have unstable data transmission; • Please replace the PC-USB cable and retest, contact me for compensation if the original cable is faulty.
  • Page 11 Comparison Section Model Picture Bluetooth Version 16-200 (Ω) Headphone Output 16-200 (Ω) 16-200 (Ω) 16-200 (Ω) Impedance Input Ways USB+OPT+COA BT+USB+ BT+USB+ OPT+COA OPT+COA Output Ways 3.5mm 3.5mm 3.5mm Headphone+RCA Headphone+RCA Headphone+RCA 106*67*14mm Size 73.5*98*33mm 94*71*23mm 110*100*30mm...
  • Page 12: Warranty Information

    Great sound, simple but elegant designs, high-quality materials, and truly useful features are what Fosi Audio is about. We sincerely hope you get as much enjoyment from our products as we’ve had to create them! Our website: www.fosiaudio.com...

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