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  • 2 VIDEOS
Fosi Audio ZH3 DAC Headphone Amp, Fully Balanced Preamp Fosi Audio
  • Fosi Audio ZH3 DAC Headphone Amp, Fully Balanced Preamp with AKM4493SEQ XMOS XU316 PCM 768kHz for Amplifiers, USB/Optical/COAX/RCA/12V Trigger Input, XLR/RCA/4.4mm/6.35mm Output with Remote
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Fosi Audio ZH3 DAC Headphone Amp, Fully Balanced Preamp with AKM4493SEQ XMOS XU316 PCM 768kHz for Amplifiers, USB/Optical/COAX/RCA/12V Trigger Input, XLR/RCA/4.4mm/6.35mm Output with Remote

4.8 out of 5 stars 24 ratings
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when you buy $300 of select items qualifying items | Terms

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About this item

  • An all-in-one desktop HiFi DAC/headphone amp/preamp: With premium chipsets and self-developed fully balanced circuitry, low noise and low distortion. Perfect for HiFi headphones or active speakers, it's the ultimate desktop audio solution.
  • Exceptional Sound Quality: Premium chipset with AKM4493SEQ DAC, XMOS XU316 processor, and four OPA1612 amps supports up to PCM 768kHz/32bit & DSD512. A self-developed dual-power balanced amp circuit with multiple ultra-low-noise LDOs and capacitors keeps noise as low as 1.9¦ÌV.
  • High Output Power: Equipped with both 6.35mm single-ended (640mW@32¦¸ x2) and 4.4mm balanced (2570mW@32¦¸ x2) outputs. The 3-level gain switch supports headphones ranging from 16¦¸ to 300¦¸, making it perfect for almost in-ears and over-ear headphones.
  • Versatile & Flexible: With coaxial, optical, USB, and RCA inputs, plus 4.4mm, 6.35mm, RCA, and XLR outputs, it connects to diverse audio sources and devices. Functions as a DAC/amp/preamp for desktop HiFi. UAC mode switching ensures full compatibility with game consoles for both music and gaming.
  • Rich Customization: Features bass/treble EQ adjustments and 6 filter types, including Bypass mode and two swappable op-amps, allowing you to customize the sound to match your preference. All functions are integrated into the screen for a clean, premium look that continues the Z-Series design language.
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This item: Fosi Audio ZH3 DAC Headphone Amp, Fully Balanced Preamp with AKM4493SEQ XMOS XU316 PCM 768kHz for Amplifiers, USB/Optical/COAX/RCA/12V Trigger Input, XLR/RCA/4.4mm/6.35mm Output with Remote
$289.99
Get it by Thursday, Nov 6
In Stock
Sold by Fosi Audio and ships from Â鶹Çø Fulfillment.
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Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio Component Mini 2 Channel Mono Amp TPA3255 for Subwoofer Desktop Home Thea
$199.99
Get it by Thursday, Nov 6
In Stock
Sold by Fosi Audio and ships from Â鶹Çø Fulfillment.
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Product information

Technical Details

Brand ‎Fosi Audio
Manufacturer ‎Fosi Audio
Place of Business ‎3rd Floor, Building 10, Aohua Industrial Zone, Gaofeng Community, Dalang Street, Longhua District, Shenzhen
Model ‎ZH3
Compatible Devices ‎HiFi Headsets, Active Speakers, Game consoles, Smartphones, Tablets, Personal Computers, Television
Special features ‎High-Resolution Audio Support, Balanced Circuitry, Versatile Connectivity, Customizable Sound Settings
Mounting Hardware ‎Fosi Audio ZH3 x1, 6.35mm Adapter x1, 12V Trigger Cable x1, USB-A/C to USB-C Cable x1, DC 12V Power Adapter x1, User Manual x1
Number of Items ‎1
Audio output mode ‎Stereo, Headphone
Audio Output Type ‎Headphones
Batteries Required ‎No
Connector Type ‎USB, OPT, COAX, RCA, XLR
Media Format ‎Dolby
Manufacturer ‎Fosi Audio
Item model number ‎ZH3
Product Dimensions ‎24 x 30 x 7 cm; 1.3 kg
ASIN ‎B0FC2NWBL4

Additional Information

Date First Available Sept. 21 2025
Customer Reviews
4.8 out of 5 stars 24 ratings

4.8 out of 5 stars
Â鶹Çø Rank

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Fosi Audio ZH3 DAC Headphone Amp, Fully Balanced Preamp with AKM4493SEQ XMOS XU316 PCM 768kHz for Amplifiers, USB/Optical/COAX/RCA/12V Trigger Input, XLR/RCA/4.4mm/6.35mm Output with Remote

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  1. 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
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From the brand

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  2. Guided by our mission of "Redefining HiFi with Unmatched Value", Fosi Audio continues to fuel its passion for the Hifi industry, ramp up R&D efforts, and co-create new HiFi equipment with users. We pledge to bring more amazing Hifi gear with high value for the price, innovative design, cutting-edge technology, and premium quality, to audiophiles worldwide.

  3. »·±£³¡¾°Í¼
  4. BT20A
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    Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Mini Hi-Fi Stereo Digital-to-Analog Audio Conver...
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    DAC Amplifier for you!

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Product Description

1

Fosi Audio ZH3

All-in-One Desktop HiFi DAC/Headphone Amp/Preamp

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.

ZH3 demo video

Merchant video

Comprehensive Desktop HiFi Solution


With comprehensive input and output options, the ZH3 functions as a DAC, headphone amplifier, and preamp, which can be connected to IEMs, over-ear headphones, active speakers, and amplifiers. Featuring UAC 1.0 and 2.0, it is also compatible with gaming consoles, ensuring seamless connectivity across multiple desktop devices.

  • Chipset: XMOS XU316+AKM4493SEQ+ OPA1612 x 4
  • Input: Coaxial/Optical/USB/RCA
  • Output: 4.4mm/6.35mm/RCA/XLR
  • SINAD ¡Ý 115dB; SNR ¡Ý 121dB; THD+N ¡Ü 0.00018%; Noise Floor ¡Ü 1.9¦ÌV

Frequently Asked Questions

1. When do I need to install a driver for ZH3 on Windows?

If your PC is running Windows 7 or earlier. (Note: Windows 7 is no longer updated and may have compatibility issues. Using ZH3 with Windows 7 is not recommended.); To play DSD tracks. (Note: If you use Foobar with the built-in WASAPI plugin for DSD playback, no driver is needed.); To play PCM 768kHz tracks.

2. USB not recognized?

Faulty or loose USB connection¡ªtry a different USB cable; Computer malfunction¡ªtry connecting to another computer; Malfunctioning USB port¡ªtry another USB port; ZH3 is not set to USB input mode; Driver conflict¡ªgo to "Device Manager," find "Audio Inputs and Outputs," uninstall the ZH3 driver, reinstall it, reboot your computer, then reconnect the ZH3 via USB.

3. If a submenu item appears grayed out, it means the function is not available in the current input/output mode?

USB Input--AUX or LO output: EQ, Bypass, and Gain adjustment not supported; Optical/Coaxial Input--PO output: UAC switching not supported; Optical/Coaxial Input--AUX or LO output: EQ, Bypass, Gain, and UAC switching not supported; RCA Input--PO output: UAC switching and Filter not supported; RCA Input--AUX or LO output: Only input and output selection available.

4. Can I replace the op-amps in the ZH3?

The ZH3 supports the replacement of two op-amp chips. It utilises easily replaceable DIP8 dual-channel discrete op-amps, catering to your pursuit of a personalised audio experience. Compatible models include the LME49720, NE5532, MUSES02, SS3602, and others.

5. Is it possible to adjust the bass and treble in RCA/XLR output mode?

No, it is not supported. Only the headphone output mode, namely PO, supports bass and treble adjustment. Considering that if users need extra bass when using speakers, they usually connect a dedicated subwoofer; and secondly, adding bass and treble functions would slightly increase the noise floor, we have not added this function to the RCA/XLR output.

Z-Series Family

ZD3 Desktop DAC Preamp

ZH3 DAC Headphone Amp/ Preamp

ZA3 Balanced Stereo Amplifier

Input

USB+HDMI (ARC)+Coaxial+Optical+Bluetooth

Input

Coaxial+Optical+USB-C+RCA

Input

¸é°ä´¡+³Ý³¢¸é+?¡±°Õ¸é³§

Output

XLR + RCA

Output

6.35mm Single-Ended+4.4mm Balanced+RCA+XLR

Output

Passive SPK +Sub-out

THD+N

<0.00008%

THD+N

¡Ü 0.00018%

THD

<0.006%

SNR

¡Ý126»åµþ

SNR

¡Ý 121dB

SNR

¡Ý106»åµþ

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Product Summary: Fosi Audio ZH3 DAC Headphone Amp, Fully Balanced Preamp with AKM4493SEQ XMOS XU316 PCM 768kHz for Amplifiers, USB/Optical/COAX/RCA/12V Trigger Input, XLR/RCA/4.4mm/6.35mm Output with Remote

From Fosi Audio

4.8 out of 5 stars, 24 ratings

Customer reviews

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About this Item

  • An all-in-one desktop HiFi DAC/headphone amp/preamp: With premium chipsets and self-developed fully balanced circuitry, low noise and low distortion. Perfect for HiFi headphones or active speakers, it's the ultimate desktop audio solution.
  • Exceptional Sound Quality: Premium chipset with AKM4493SEQ DAC, XMOS XU316 processor, and four OPA1612 amps supports up to PCM 768kHz/32bit & DSD512. A self-developed dual-power balanced amp circuit with multiple ultra-low-noise LDOs and capacitors keeps noise as low as 1.9¦ÌV.
  • High Output Power: Equipped with both 6.35mm single-ended (640mW@32¦¸ x2) and 4.4mm balanced (2570mW@32¦¸ x2) outputs. The 3-level gain switch supports headphones ranging from 16¦¸ to 300¦¸, making it perfect for almost in-ears and over-ear headphones.
  • Versatile & Flexible: With coaxial, optical, USB, and RCA inputs, plus 4.4mm, 6.35mm, RCA, and XLR outputs, it connects to diverse audio sources and devices. Functions as a DAC/amp/preamp for desktop HiFi. UAC mode switching ensures full compatibility with game consoles for both music and gaming.
  • Rich Customization: Features bass/treble EQ adjustments and 6 filter types, including Bypass mode and two swappable op-amps, allowing you to customize the sound to match your preference. All functions are integrated into the screen for a clean, premium look that continues the Z-Series design language.

Product description

ZH3 all-in-one desktop HiFi DAC/headphone amp/preamp boasts premium AKM4493SEQ DAC, XMOS XU316 processor, 4 OPA1612 amps, and self-developed balanced circuitry (1.9¦ÌV low noise). It supports PCM 768kHz/32bit, DSD512, with 6.35mm (640mW@32¦¸) & 4.4mm (2570mW@32¦¸) outputs, 3-level gain (16¦¸-300¦¸ headphones). Equipped with coaxial/optical/USB/RCA inputs, 4.4mm/6.35mm/RCA/XLR outputs, plus EQ, 6 filters & swappable op-amps for sound customization¡ªideal for HiFi headphones/active speakers.
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