Fosi Audio ZP3 – Balanced Preamp Hub with XLR/RCA & Sub-Out

Fosi Audio ZP3 – Balanced Preamp Hub with XLR/RCA & Sub-Out

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The Fosi Audio ZP3 is a compact, featurerich stereo preamplifier designed to act asthe central control hub for a high-qualitydesktop... Read more

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    Description

    The Fosi Audio ZP3 is a compact, featurerich stereo preamplifier designed to act asthe central control hub for a high-qualitydesktop or home audio system.it bridgesthe gap between your audio sources (likea DAC, phone, or turntable) and a poweramplifier or active speakers, providingsuperior sianal controland sound shaping.
    Here are its standout characteristics:
    1. Dual Tube & Op-Amp Rolling (HybridDesign):
    This is the ZP3's most distinctive featureIt uses a hybrid circuit that combines thewarm,smooth character of vacuum tubeswith the clarity and precision of solid-state operational amplifiers (op-amps).Crucially, it allows for "rolling" both the tubes and the op-amps. This means enthusiasts can easily swap these components to fine-tune the sound signature to their personal preference from lush and vintage to detailed and modern.

    2.High-Resolution Audio Support:The ZP3 is built to handle high-qualitydigital audio. lt features a built-in USBDAC (Digital-to-Analog Converter) thatsupports resolutions up to 32-bit/384kHzand DSD256.This allows it to perfectlydecode high-resolution audio files from acomputer, providing a significant upgradeover standard computer sound cards
    3. Versatile Connectivity:
    It offers a comprehensive set of inputsand outputs for a device of its size:
    .Inputs:USB-C (for digital audio from aPC),Optical, Coaxial, and two sets ofRCA analog inputs. Outputs: RCA line-out for connecting to a power amplifier, and a dedicated
    6.35mm(1/4")headphone output with its own volume contro, making it a capable headphone amplifier.

    Specifications

    • Weight: 200gr
    • Usage: Indoor & outdoor

    Pros and cons

    • Sustainably produced
    • Ideal for everyday use
    • May discolor in direct sunlight
    <p>A Versatile Control Hub for Home Audio</p><h2>Fosi Audio ZP3 Balanced Preamp</h2><p>Customize your audio with 3 inputs/outputs, high-pass filter (HPF), and tone controls. Included remote enables one-touch input switching & volume adjustment, while volume memory remembers personalized audio management.</p>

    A Versatile Control Hub for Home Audio

    Fosi Audio ZP3 Balanced Preamp

    Customize your audio with 3 inputs/outputs, high-pass filter (HPF), and tone controls. Included remote enables one-touch input switching & volume adjustment, while volume memory remembers personalized audio management.

    BuiltonUserVoices

    The ZP3 Balanced Preamp was developed in response to user demand for a preamplifier with multiple audio inputs.
      • Input: RCA x2 and XLR
      • Output: RCA, XLR, SUB
      • SNR≥ 115dB; SINAD≥113dB; Crosstalk≤ -130dB
      • Input Voltage Range: AC 110-240V
    <h1>AVersatile Control Hub for Home</h1><h1>Audio systems</h1>

    AVersatile Control Hub for Home

    Audio systems

    Easily connect 3 audio sources and switch inputs instantly and volumeadjustment with the remote.

    <h1>Effortlesss witching</h1>

    Effortlesss witching

    3-in-3-out options make it easy to connect multiple audio sources for

    flexible listening experience.

    <h1>Three levels of HPF high-pass</h1><h1>filter adjustment</h1>

    Three levels of HPF high-pass

    filter adjustment

    Adapts to diverse audio scenarios by switching between

    diffefent cut-off frequencies.

    <h1>Flexible Sound Customization</h1>

    Flexible Sound Customization

    Bass/treble bypass, L/R balance. Per-input volume memory for smarter,

    personalized audio.

    <h1>Audiophile-Grade Components</h1><h1>Integrated</h1>

    Audiophile-Grade Components

    Integrated

    No compromise on materials, ensures low noise and accurate sound for a

    premium audio experience.

    <h1>Visible Exceptional Performance</h1>

    Visible Exceptional Performance

    No longer abstract, the excellence of sound quality is now visible

    <h1>Multi-Function lR Control</h1>

    Multi-Function lR Control

    Easily adjust the volume, switch sources, and control the power on/offwithout leaving your seat.

    <h1>Aluminum-Alloy</h1>

    Aluminum-Alloy

    Metallic texture, with enhanced resistance to electromagnetic interference.

    • Banner image for:

    ZP3&P4Comparison

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

    Productdetails

    • Description

      • Home Audio Control Hub: Features 3-in-3-out options for connecting up to three audio sources. Includes a remote control for one-touch input switching and volume adjustment—making it easy to manage your home audio system with freedom

      • Versatile Connectivity: Equipped with RCA1/RCA2/XLR inputs and RCA/XLR/Sub-Out outputs, the ZP3 integrates multiple devices with ease. Supports balanced XLR in/out for cleaner sound, plus RCA/XLR signal conversion for maximum compatibility
      • Audiophile-Grade Components: Built with premium parts including ELNA capacitors,  NJR NJU72315 volume IC, and gold-plated RCA jacks. These components reduce noise and distortion, delivering exceptional clarity and high-fidelity performance

      • Adjustable High-Pass Filter: Three-level HPF settings filter low-frequency signals from the RCA/XLR outputs, sending only mids and highs to main speakers while routing bass through the SUB-OUT—enhancing clarity, detail, and overall sound balance

      • Flexible Sound Customization: Includes bass/treble control with bypass function, and L/R balance knobs for personalized adjustment. Volume memory remembers settings for each input source—giving you a smarter, more convenient audio experience tailored to your taste

    • Specifications

      Channel:2.0
      Input:RCA x2, XLR
      Output:RCA, XLR, SUB
      Bass and Treble Control Range:Treble: ±6dB，Bass: ±12dB
      Frequency ResponseXLR/RCA:20Hz-20kHz (±0.2dB)
      80Hz-20kHz (±0.2dB)
      120Hz-20kHz (±0.2dB)
      SUB:20Hz-200Hz (±0.2dB)
      Input Voltage Range:AC 110-240V

      Balanced Output (XLR)SNR:≥ 112 dB
      Dynamic Range:≥ 112 dB
      THD+N:≤ 0.0007%
      Noise Floor:≤ 6μV

      Single-Ended Output (RCA)SNR:≥ 115 dB
      Dynamic Range:≥ 115 dB
      THD+N:≤ 0.0008%
      Noise Floor:≤ 4μV

    • What‘s in the box？

      Fosi Audio ZP3 x 1

      IR Remote Control x 1

      AC 110-240V Power Cord x 1

      12V Trigger Cable x 1

      User Manual x 1

    Which Product is right for you?

    Compare products to find the best one for your needs.

    • Fosi Audio ZP3 Preamplifier

      Type Preamp

      Input RCA x2, XLR

      Output RCA, XLR, Sub-Out

      Bass & Treble Control Yes

      THD+N ≤ 0.0007%

      SNR ≥ 115 dB

    • Fosi Audio P4 Mini Preamplifier

      Type Preamp

      Input RCA x3

      Output RCA, Pre-Out

      Bass & Treble Control Yes

      THD+N ≤ 0.003%

      SNR ≥110dB

    • Fosi Audio P3 Tube Preamplifier

      Type Preamp+Headphone Amp

      Input Bluetooth, RCA

      Output RCA, 3.5mm Headphone Jack, AUX

      Bass & Treble Control Yes

      THD+N ≤0.02%

      SNR ≥103dB

    FAQs

    One channel is louder than the other?

    Make sure the balance knob is centered on the ZP3 and the input signal is balanced between the two channels.

    What is the function of the Bypass switch?

    It toggles tone control on/off. Slide up to bypass bass/treble; slide down to enable them. It doesn’t affect volume.

    Can I switch between RCA and XLR output?

    No. RCA and XLR outputs work at the same time and cannot be switched independently.

    What is the function of the HPF adjustment?

    It filters low frequencies, letting highs pass. The ZP3 offers 3 cutoff settings for different output frequency ranges.

    Why is there no bass or the bass sounds weak?

    Check if the HPF switch on the bottom is set to 20Hz–20kHz to avoid filtering out low frequencies. Also check if the bass knob is set too low.

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