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Headphone Amplifier, DAC & Pre-Amplifier

Discrete Class A Balanced Headphone Amplifier

Asynchronous USB DAC Up to 384 kHz and DSD256

Stereo Pre-Amplifier with Home Theater Bypass

Compatible with iPod/iPhone/iPad and Bluetooth

price: $1,199 
12-11-2015 — Our ad in the January '16 issue of Stereophile Magazine incorrectly lists the HA-1's price as $699. The correct price is $1,199. We apologize for any confusion or inconvenience this error may cause.
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User Manual:
OPPO HA-1 Headphone Amplifier User Manual (PDF Format)
Release date: April 22, 2014
Remote Control
OPPO HA-1 Bluetooth Remote Control Select from the following device types:

iPhone/iPod Touch


Android APK

Amazon App Store
Software Driver
for USB Audio DAC:

For Windows computers (XP, Vista, Windows 7 and Windows 8): software driver download link (version 2.24, released on 2/23/2015). Please unzip the downloaded package and double-click on the "setup.exe" file, then follow the on-screen instructions to finish this installation. Select the HA-1 as your sound output device by setting "Control Panel -> Hardware and Sound -> Sound -> Playback" to "OPPO HA-1 USB Audio 2.0 DAC".

For Mac computers, no software driver is required. Please set "System Preferences -> Sound -> Output" to "OPPO HA-1 USB Audio 2.0 DAC".

Currently there is no software driver available for Linux computers.