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Maru-sama Fosi Audio SK02 USB DAC Orange Black Knob
Product Details
This is the Fosi Audio high-performance USB DAC / Headphone Amplifier SK02.
It features switchable GAIN and MODE settings, making it compatible with various audio environments.
Supporting PCM 384kHz/32bit and DSD 256, you can enjoy high-quality sound.
This model boasts a meticulously crafted alloy sandblasted casing and an excellent audio circuit.
■ Custom Specifications
In addition to the standard black knob, this unit includes an authentic Fosi orange knob.
• Accent Color: Swapping to the highly visible orange knob adds a visual accent to your desk setup.
• A removal pick is included to allow for smooth knob replacement without scratching the casing.
■ Product Condition
• Exterior: No noticeable major scratches or dirt, and the edges of the metal casing are in excellent condition.
• Operation: Tested and confirmed to output normally when connected to a PC (Windows/Mac) or iPhone. No noise or connection issues were observed.
■ Contents
• SK02 Main Unit
• USB Cable
• Genuine Black Knob
• Genuine Orange Knob
• Removal Pick
*Original box is not included.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.





