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  • VIDEO
Balanced Preamp for Home Audio, 2 CH Stereo and 2.1 SetupFosi Audio
  • Fosi Audio ZP3 Balanced Preamp for Home Audio, 2 RCA and 1 XLR Inputs, RCA/XLR Outputs and Sub-Out, Pre Amp for 2 Channel Stereo and 2.1 Setup, Pre Amplifier with HPF High Pass Filter and Tone Control
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Fosi Audio ZP3 Balanced Preamp for Home Audio, 2 RCA and 1 XLR Inputs, RCA/XLR Outputs and Sub-Out, Pre Amp for 2 Channel Stereo and 2.1 Setup, Pre Amplifier with HPF High Pass Filter and Tone Control

4.4 out of 5 stars (167)

Sustainability features

This product has features recognized as more sustainable by certifying organizations.
Carbon impact
Carbon emissions from the lifecycle of this product were measured, reduced and offset.
As certified by
ClimatePartner certified

ClimatePartner certified

The ClimatePartner certified product label confirms that a product meets the requirements for the five steps in climate action including calculating carbon footprints, setting reduction targets, implementing reductions, financing climate projects and communicating transparently to continuously reducing emissions.

Certification number

ZK5TB8
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Purchase options and add-ons

About this item

  • 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, relays, 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
› See more product details

Product information

Technical Details

Mounting type ‎Tabletop
Model name ‎ZP3
Speaker type ‎Subwoofer
Special feature ‎Hi Res Audio, Multi Room Audio, Noise Canceling
Compatible devices ‎Smartphone, Tablet, Laptop, Desktop, Television, Home Theater
Unit count ‎1 Count
Surround sound channel configuration ‎2.1
Colour ‎Black
Included components ‎12V Trigger Cord, Fosi Audio ZP3 Preamp, Power Cord, Remote, User Manual
Item weight ‎2.4 Pounds
Is waterproof ‎false
Warranty type ‎Limited
Number of Items ‎1
Control method ‎Push Button
Power source ‎Corded Electric
Manufacturer ‎Fosi Audio
Item model number ‎ZP3
Product Dimensions ‎12.7 x 10.16 x 5.08 cm; 1.09 kg
ASIN ‎B0F9KP5SLH

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Fosi Audio ZP3 Balanced Preamp for Home Audio, 2 RCA and 1 XLR Inputs, RCA/XLR Outputs and Sub-Out, Pre Amp for 2 Channel Stereo and 2.1 Setup, Pre Amplifier with HPF High Pass Filter and Tone Control

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Product details

  • Product Dimensions ‏ : ‎ 12.7 x 10.16 x 5.08 cm; 1.09 kg
  • Date First Available ‏ : ‎ May 28 2025
  • Item model number ‏ : ‎ ZP3
  • Country of origin ‏ : ‎ China

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Previous set of slides

  2. Sustainability features

    This product has sustainability features recognized by trusted certifications.
    Carbon impact
    Carbon emissions from the lifecycle of this product were measured, reduced and offset.
    As certified by
    ClimatePartner certified

    ClimatePartner certified

    The ClimatePartner certified product label confirms that a product meets the requirements for the five steps in climate action including calculating carbon footprints, setting reduction targets, implementing reductions, financing climate projects and communicating transparently to continuously reducing emissions.

    Certification Number

    ZK5TB8

    Climate Pledge Friendly

    Discover more products with sustainability features.Learn more

  4. Sustainability features

    This product has sustainability features recognized by trusted certifications.
    Carbon impact
    Carbon emissions from the lifecycle of this product were measured, reduced and offset.
    As certified by
    ClimatePartner certified

    ClimatePartner certified

    The ClimatePartner certified product label confirms that a product meets the requirements for the five steps in climate action including calculating carbon footprints, setting reduction targets, implementing reductions, financing climate projects and communicating transparently to continuously reducing emissions.

    Certification Number

    ZK5TB8

    Climate Pledge Friendly

    Discover more products with sustainability features.Learn more
Next set of slides

Sustainability features

This product has features recognized as more sustainable by certifying organizations.

Carbon impact

Carbon emissions from the lifecycle of this product were measured, reduced and offset.

As certified by
ClimatePartner certified

Product Description

ZP3A+01

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.

Built on User Voices


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

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.

Built on User Voices-ZP3

Merchant video

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

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

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

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

  • 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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