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Table of Contents
Related Manuals for Fosi Audio BOX X4
Summary of Contents for Fosi Audio BOX X4
- Page 1 Fosi Audio BOX X4 User Manual Thanks for choosing us!
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Page 2: Product Specifications
Product Specifications Fosi Audio BOX X4 is a Hifi tube phono preamp and headphone amplifier for MM turntable that features Volume control and Bass/Treble control with DC 12V power supply. The BOX X4 supports MM turntable input, 3.5mm AUX input and 3.5mm headphone output and RCA line output for... -
Page 3: Front Panel
Product Overview & Control Functions BOX X4 TUBE MM PHONO PREAMP TREBLE BASS Front Panel 3.5mm Headphone Output Bass Control Treble Control Multi-function Knob: Volume Control/Power Switch DC 12V LINE IN OUTPUT MM INPUT WWW.fosiaudio.com Back Panel DC Input MM Turntable Input 3.5mm AUX Input... -
Page 4: Package Contents
Package Contents Fosi Audio BOX X4 *1 5654W Vacuum Tube *2 DC 12V Power Adapter *1 User Manual *1 Quick Setup Tablet, Laptop, PC ,TV, PS4, MM Turntable Input DVD, Phone, Tablet, Laptop, .. 3.5mm AUX Input DC 12V LINE IN... - Page 5 Step 1: Install the 5654W vacuum tubes to the BOX X4. Step 2 (OUTPUT) : Connect speakers or headphone (RCA output, 3.5mm headphone output) to the BOX X4. • RCA Output : Use RCA cable to connect the RCA line output of BOX X4 to your active (powered) speakers.
- Page 6 0 (always to the left) to avoid your hearing from damage. When the connection is completed, please turn on the BOX X4 first, then turn on the amplifier (or powered speakers), at last turn on your turntable or other audio source, then enjoy.
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Page 7: Troubleshooting/Qa
• Please unplug all the inputs from the BOX X4, then turn it on to check if the noise still or not. • If the noise disappear, the noise may from the audio source or audio cable, please exchange the audio source and the audio cable to try again. - Page 9 • Please check if the music in your audio source is paused. • Please make sure that you are chose the correct input mode of the BOX X4, if the 3.5mm AUX input plug in, the MM input mode will be interrupted, at this time if you want to use the MM input, you need to disconnect the 3.5mm AUX input first.
- Page 10 RCA output to the BOX X4 at the same time? • Yes, the BOX X4 can be connected to both outputs at the same time. By the way, it can be connected to both inputs at the same time.
- Page 11 • No, it does not need a ground wire to operate. However, if your turntable has any ground loop, it will be piped and amplified through the BOX X4. 7. How to attach ground wire？ • There is a post to attach the ground wire.
- Page 12 12. Can I hook the BOX X4 to the power amplifier for my system? • Yes. You can connect the BOX X4 to the power amplifier through the RCA output. 13. Can this work with my turntable and headphones? • Yes, it has headphones output. The 3.5mm AUX connector on the front panel of the amplifier can be used for headphone.
- Page 13 18. Sound quality is not good? • Make sure all the cables are fully connected. • Adjust the treble and bass control of the BOX X4 to achieve the right tone. • Please try to change the sound source and cables to test.
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Page 14: 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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