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Fosi Audio BOXX4 Phono Preamp Headphone Amplifier Hi-Fi for Turntable Phonograph

US $80.49
ApproximatelyC $110.91
or Best Offer
Condition:
New
More than 10 available60 sold
Breathe easy. Free shipping and returns.
People want this. 60 people are watching this.
Shipping:
Free Standard Shipping.
Located in: Los Angeles, California, United States
Delivery:
Estimated between Thu, Aug 14 and Mon, Aug 18 to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Seller pays for return shipping.
Payments:
     Diners Club

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eBay item number:204064669630
Last updated on Jul 18, 2025 08:13:14 EDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Color
Black
MPN
Does not apply
Year Manufactured
2022
Applicable headphone types
16 Ω - 300 Ω
Product Dimensions
3.97x4.72x1.37 inch (10.09*12*3.5 cm)
Brand
Fosi Audio
THD
≤ 0.1%
Type
Digital Amplifier
SNR
≥ 70dB
Manufacturer Warranty
1 Year
Product Weight
0.71 lb/320g
Model
BOX X4
Features
Analog, Digital
Frequency Response
Standard RIAA
Country/Region of Manufacture
China
UPC
Does not apply

Item description from the seller

Seller business information

VAT number: DE 354287869, ES N0089823I, IT 05199490268
About this seller

Fosi Audio Factory Store

99.1% positive feedback10K items sold

Joined Mar 2021
Here you will find whatever type of audio amplifier you are looking for. If you are unsure, contact us and a professional team will answer your questions. We are more than happy to help the vast ...
See more

Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
5.0
Shipping speed
4.9
Communication
5.0

Seller feedback (2,671)

All ratings
Positive
Neutral
Negative
  • m***a (2998)- Feedback left by buyer.
    More than a year ago
    Verified purchase
    Wow! Came 5 days early. Works great with headphones hooked to my turntable. Bass and treble work super and the amp is completely quiet. thanks
  • a***r (611)- Feedback left by buyer.
    More than a year ago
    Verified purchase
    Great speedy shipping nice preamp clean sound Much better than the Pyle preamp very happy
  • o***r (1604)- Feedback left by buyer.
    More than a year ago
    Verified purchase
    Fosi Audio X4 phono preamp sounds great, fast shipping and good communication from the seller. Thank you!
See all feedback