SKU: 61963697544

Fosi Audio P4 Pre-Amplifier

Sale price$5850.00 Regular price$6500.00
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  • USA
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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16

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Description

Fosi Audio P4 Pre-AmplifierDescription Fosi Audio P4 is a compact, solid state stereo preamplifier featuring three RCA inputs, a motorized volume pot, and tone controls (bass treble). Mini Control Hub The P4 supports up to 3 RCA inputs, allowing easy connection to CD players, streamers, DACs, cassette decks, and turntables with built in phono preamp. Switch between sources with a click for seamless audio control. Practical and User Friendly Equipped with volume control, bass

Description

Fosi Audio P4 is a compact, solid-state stereo preamplifier featuring three RCA inputs, a motorized volume pot, and tone controls (bass/treble). 

Mini Control Hub

The P4 supports up to 3 RCA inputs, allowing easy connection to CD players, streamers, DACs, cassette decks, and turntables with built-in phono preamp. Switch between sources with a click for seamless audio control.

Practical and User-Friendly

Equipped with volume control, bass and treble adjustment with bypass function, three-level gain control, and a remote. The preamplifier offers convenient audio setup and optimization, making every listening session effortless.

Motorized Potentiometer

Featuring a high-precision motorized analog pot, the P4 delivers smooth volume adjustment, reduced noise, and minimal distortion for a purer and more refined sound experience.

Compact and Solid

 The P4 stereo preamp features a sleek, minimalist design that saves space and provides robust resistance to electromagnetic interference, ensuring reliable performance over time.

Exceptional Performance

 With a low noise floor, high signal-to-noise ratio, and extremely low distortion, the P4 pre-amplifier delivers pristine audio, ensuring accurate sound reproduction and enhancing the listening experience for audiophile

Specifications
  • SNR: ≥ 110dB

  • Dynamic Range: ≥ 110dB

  • THD+N: ≤ 0.003%

  • Crosstalk: ≥ 105dB

  • Noise Floor: ≤ 9μV

  • Tone Adjustment Gain: ±12dB

  • Channel: 2.0

 

  • Frequency Response: 20Hz-20kHz(±0.1dB)

  • Power Supply: DC 12V/1.5A

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 61963697544

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4.3 ★★★★★
Based on 20 reviews
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Verified Purchase
Jeremy P
Fort Morgan, US
★★★★★ 5
Great shoe, comfort
Size: 11.5, Color: British Tan/Ivry
Love these shoes, they're super comfy. Laces stayed tied all day. I wear them in a business casual environment, or if I'm going out for a nice meal with my wife. They look good, the color is unassuming and neutral. they also elevate my height, I feel like it gives me an inch or so more versus regular shoes. This is my second pair!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
M
Verified Purchase
marcial ciprian
Lake Worth, US
★★★★★ 5
Good shoes
Size: 7, Color: British Tan/Ivry, Size: 7, Color: British Tan/Ivry
Look very nice these shoes, speally to go out to dinner with the family, are really light weight, great quelith, and great softness
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
O
Verified Purchase
Orande Daring
Waukegan, US
★★★★★ 5
Nice Shoes
Size: 10.5, Color: British Tan/Ivry
Nice pair of shoes for my feet. Fits comfortably and nice cushion when walking. I would buy another pair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
M
Verified Purchase
MR. H.
Lexington, US
★★★★★ 5
Super comfortable!
Size: 9, Color: Navy Blazer/Ivor
Some of the most comfortable shoes that I've ever worn/walked in! Super light on my feet. Nice casual looking and comfortable shoe for a reasonable price. I already brought 3 pair.
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Reviewed in the United States on April 21, 2026
D
Verified Purchase
deloris s.
Chelsea, US
★★★★★ 5
Comfortable Shoes
Size: 12, Color: Navy Blazer/Ivor
This is the second time I purchased this style of shoes. They are extremely comfortable. They can be worn on casual and business events.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026

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