Fosi P4 Preamplifier
Taxes & Shipping Included
The P4 is a mini preamp self-developed by Fosi Audio based on extensive feedback from users worldwide after the launch of the V3 stereo amp. Equipped with triple inputs, tone control, and remote control for a convenient and customizable audio experience.
The Fosi P4 Preamplifier is a refined control hub designed for discerning listeners. It accommodates up to three RCA inputs for seamless integration with turntables, CD players, DACs, and streamers. The motorized potentiometer ensures smooth, precise volume adjustments with minimal noise and distortion. Equipped with adjustable bass and treble controls, three-level gain settings, and remote operation, the P4 delivers sophisticated audio management in a compact, elegantly designed chassis that resists electromagnetic interference for consistently pristine sound reproduction.
Features
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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.
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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.
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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.
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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 audiophiles
Specifications
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Channel 2.0
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Input RCA x 3
- Output RCA, Pre-out
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SNR ≥ 110dB
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Dynamic Range ≥ 110dB
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THD+N ≤ 0.003%
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Crosstalk ≥ 105dB
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Noise Floor ≤ 9μV
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Tone Adjustment Gain ±12dB
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Frequency Response 20Hz-20kHz(±0.1dB)
- Power Supply DC 12V/1.5A
Includes
- 1 x P4 Preamplifier
- 1 x 12v 1.5A PSU
- 1 x IR Remote Control
- 1 x User Manual
Support
About
Fosi Audio, established in Shenzhen in 2017 by Ryan Huang, has emerged as a pioneering force in democratizing high-fidelity sound. Guided by four core tenets—Foresight, Openness, Sincerity, and Innovation—the brand has cultivated a distinguished presence across 150+ nations. Renowned for exceptional sonic value and community-driven engineering, Fosi integrates premium components from industry leaders like Texas Instruments. Their philosophy transcends conventional audio retail, offering both refined finished products and bespoke DIY solutions for the discerning enthusiast seeking uncompromised quality without premium pricing.