Applicable Models

IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries.

This information is for the following models:

  • CMT-SX7
  • MAP-S1
  • MDR-1ADAC
  • PHA-2
  • PHA-3
  • RSX-GS9
  • SRS-X88
  • SRS-X9
  • SRS-X99
  • UDA-1

About this download

Benefits and improvements

This utility installls an updated version of the UDA-1 USB DAC Amp driver. This driver (version 1.1) also provides improved performance with other drivers and software running on the computer. This driver is required to play DSD files using the Hi-Res Audio Player on a Macintosh® computer.

System Requirements

Operating Systems

  • Mac OS® X

File Info

File Name

  • SONY_USB_DAC_Amp_Driver_(Mac)_V1.1.dmg

File Version

  • 1.1

File Size

  • 0.55 MB

Release Date

  • 01-26-2015

Before You Start


Important Notes

  • During the installation of this file, be sure that you are logged in to the computer as the Administrator or as a user with Administrative rights.
  • To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
  • It is highly recommended that you print out these instructions for use as a reference during the installation process.

Download & Install


System Requirements

This software requires a computer meeting the following system requirements:

  • A USB port (USB 2.0 compliant).
  • Operating systems: Mac OS® X 10.6, 10.7, 10.8,10.9, or 10.10

Download and Installation Instructions

  1. Download the SONY_USB_DAC_Amp_Driver_(Mac)_V1.1.dmg file to a temporary or download directory (please note this directory for reference) on your computer.
  2. Go to the location where the file was downloaded and double-click the SONY_USB_DAC_Amp_Driver_(Mac)_V1.1.dmg file.
  3. Double-click the "SONY USB DAC Amplifier Uninstall.app".
  4. At the "Sony USB DAC Amplifier Uninstall" screen, click "OK" to uninstall the driver.
    SONY USB DAC Amplifier Uninstall
  5. At the "Information" screen, slick "OK" to restart the system.
  6. At the "Welcome to the SONY USB DAC Amplifier Installer" screen, click "Continue".
    SONY USB DAC Amplifier Installer
  7. At the "Standard install on Macintosh HD" screen, click "Install".
    Standard install
  8. At the "When this software..." screen, click "Continue Installation".
  9. The "Installing Sony USB DAC Amplifier" screen displays the installation progress.
    Installing Progress
  10. At the "The installation was successful" screen, click "Restart" to restart the system and complete the driver installation.
    Installation Successfull

The UDA-1 USB DAC Amp driver installation is complete.