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Next-level USB Audio output for High-End USB DACs.

Ships in August. Order yours ASAP to secure delivery from the 1st production batch.


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USB Card XE EVO – The Ultimate USB Upgrade.  

Welcome to the next generation of USB connectivity with the USB Card XE EVO. Building on the success of our best-selling USB Card XE, the XE EVO model brings cutting-edge improvements and enhancements designed to elevate your audio experience to new heights. Whether you’re a discerning audiophile or a professional in the digital audio field, the USB Card XE EVO offers unparalleled performance and reliability.   


Key Features

Enhanced Clock Precision

  • SMA Connector for Master OCXO Clock: The XE EVO features an SMA connector that allows seamless integration with our Master OCXO Clock. A convenient switch enables you to toggle between the built-in OCXO and an external clock source, offering greater flexibility and precision in your audio setup.

Superior Voltage Regulation

  • 2X Lower Noise: Equipped with the latest linear voltage regulators, the USB Card XE EVO delivers an astonishingly low noise level of 0.46 µV RMS. This is nearly half the noise level of the already impressive LT3045 regulators used in the USB XE, ensuring an ultra-clean power supply for your USB DAC and instant improvement in sound quality.

Noise Reduction

  • Built-In EMI Noise Reduction Filter: The USB port on the XE EVO includes an advanced EMI noise reduction filter. This feature significantly reduces electromagnetic interference, resulting in clearer, more accurate audio signals and enhanced overall sound quality.

Optimized Firmware

  • Latest Firmware for Best Sound Quality: The USB Card XE EVO comes with the latest firmware specifically optimized for superior sound quality. Power management features are switched off to ensure that every bit of processing power is dedicated to delivering the best possible audio performance.


    • PCI Express USB Card for High-End Audio
    • Plug & Play in any PC or mini PC with a PCIe slot
    • Extreme sound quality improvement for any USB DAC or USB-DDC
    • 2X lower noise: New state-of-the-art linear voltage regulators with 0.46 µV RMS noise level
    • Zero switching power supplies design
    • State-of-the-art ±0.005 (±5 ppb) stability Emerald OCXO (oven controlled oscillator) delivers the most stable timing in the presence of environmental stressors such as airflow, temperature perturbation, vibration, shock, and electromagnetic interference (EMI)
    • SMA Connector: Compatible with our external Master OCXO Clock upgrade
    • EMI Filter: The USB port with built-in EMI noise reduction filter
    • Highest quality industrial grade components with operating temperature range from -40*C to +85*C
    • Low latency & low noise ASM3142 USB 3.1 host controller (latest firmware optimized for best sound)
    • Gold plated high durability EMI shielded USB connectors
    • Two High-End USB Audio outputs supporting Low Speed (1.5 Mbps), Full-Speed (12 Mbps), Hi-Speed (480 Mbps) and Super-Speed (5 Gbps) data rates
    • Supports all lossless formats and sample rates
    • External PSU option eliminates computer as the source of power. For lowest noise and best sound quality use JCAT OPTIMO power supplies. (requirements for the PSU: 5V/1.5A min)
    • Both full-size and low-profile laser cut PCI-e brackets included
    • All x1-x16 lane PCI Express 2.0 slots supported
    • Supported operating systems: Windows (all editions), Linux, Mac OS (10.14 or later)

      Why Choose USB Card XE EVO?

      The USB Card XE EVO is designed for those who refuse to compromise on sound quality. With its superior voltage regulation, advanced noise reduction, optimized firmware and enhanced clock precision – the card can accept our Master OCXO Clock upgrade without modification – the XE EVO sets a new standard in USB audio performance. Upgrade your system with the USB Card XE EVO and experience the difference.

      ‘Instant improvement over already excellent USB Card XE’MARkus, germany

      I’m a big fan of JCAT hardware and believe these cards are a perfect match for CAPS Twenty.One.’CHRIS CONNAKER (THE COMPUTER AUDIOPHILE), FOUNDER OF AUDIOPHILE STYLE

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audiophile style review of USB Card XE


JCAT USB Card XE review from Pursuit Perfect System

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JCAT XE card optimo nano power supply

Weight0,5 kg
Dimensions18 × 2 × 10 cm
Learn more

Quick Start Guide

How to install JCAT cards

Why use a USB Audio card?

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