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Introduction
Thank you for choosing the OPPO HA-2(SE) portable
headphone amplifier and USB DAC. The HA-2(SE) draws
upon the success of the HA-1 desktop headphone amplifier
and is optimized for portable use. Featuring a hybrid class AB
amplifier and a USB DAC supporting 384 kHz PCM and
DSD256, the HA-2(SE) offers high performance digital-to-
analog conversion for both Apple’s iPhone/iPod, Android
devices, PC and Mac computers. A 3.5 mm input works with
the remaining portable music players that do not have a USB-
compatible digital output. Convenience features such as
VOOC rapid charging and a mobile device power bank make
the HA-2(SE) a true companion for music on the go.
Accessories
Ensure that the following accessories have been included
with your OPPO HA-2(SE):
1x USB A Lightning data cable
1x USB micro-B – USB micro-B data cable
1x 3.5 mm 3.5 mm stereo audio cable
1x USB A USB micro-B data and rapid charging
cable
1x VOOC rapid charger
2x Silicone rubber bands
This user guide
Features
Digital-to-Analog conversion by ESS Sabre
32
Reference ES9028Q2M DAC chip
Supports PCM audio up to 384 kHz / 32-bit, DSD audio
up to 12 MHz (DSD256 or DSD4x)
Supports multiple device types for digital-to-analog
conversion via USB: iPod / iPhone / iPad, smartphones
with USB OTG feature, PC and Mac computers
Stereo headphone output and line-out
Two gain settings for optimal headphone matching
Bass boost
OPPO VOOC rapid charging
Mobile power bank for charging other mobile devices
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