Fosi Audio P4 Mini Preamplifier

• Triple RCA Inputs
• Bass, Treble, and Gain Control
• Motorized Pot for Smooth Adjustment
• Bypass Function for Pure Signal Path
• Op-Amp Rolling: SS3602, MUSES02, OPA2134PA

  FosiAudioP4MiniHiFiPreamplifier

  Equipped with triple inputs, tone control, and remote control for a convenient and customizable audio experience.

  Another Masterpiece Driven by Voice of Customers

  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.

  • Input: RCA x3; Output: RCA, Pre-Out
  • SNR≥ 110dB; THD+N≤ 0.003%

   

  

  P4 & ZP3 Comparison

  Thinking about a new preamp? Let’s line up P4 and ZP3, and see what makes each one special.

  Product details

  Description

  • 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 audiophiles

   

  Specifications

  Channel: 2.0
  Input Mode: RCA*3
  Output Mode: RCA, Pre-out
  SNR: ≥ 110dB
  Dynamic Range: ≥ 110dB
  THD+N: ≤ 0.003%
  Crosstalk: ≥ 105dB
  Noise Floor: ≤ 9μV
  Tone Adjustment Gain: ±12dB
  Frequency Response: 20Hz-20kHz(±0.1dB)
  Power Supply: DC 12V/1.5A

  What‘s in the box？

  • Fosi Audio P4 Mini Preamplifier x 1
  • 12V/1.5A Power Supply x 1
  • User’s Manual x 1