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Vacuum Tube Phono Equalizer Fosi PHONO BOX X2

โ˜…โ˜…โ˜…โ˜…โ˜… 4.7 rating ยท 41 reviews ยท 407+ sold
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Product Details

This is the Fosi Audio PHONO BOX X2 vacuum tube phono equalizer.
I purchased this about a year and a half ago for external use because I didn't like the sound of the built-in phono equalizer in my amplifier. I used it for about an hour per week.
I am selling it because it is no longer needed due to an amplifier upgrade.

It is used to connect a record player to an amplifier that does not have a PHONO (record player) input.
It can be connected to a regular line input or AUX terminal. I was satisfied with the sound, as it was considerably better than the built-in one.

- Phono equalizer for MM cartridges
- Amplification level switchable in 3 stages
- Line input via 3.5mm mini-plug
(Can connect smartphones, media players, etc.)
- Accessories: AC adapter, 2 vacuum tubes, mini-plug โ†” RCA cable, instruction manual
*RCA pin cable is not included.

This is a used item, so please expect signs of use and minor scratches. Please check the photos for details.

Thank you for looking.

Category
Player
Condition
No noticeable scratches or marks
Shipping
Included in price (by seller)
From
Unspecified

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.

Customer Reviews (41)

4.7
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Based on 326 reviews
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M
User3696994
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2026-11-07

Delivery went smoothly, and the product is of decent quality.