OPPO HA-2SE User Manual

Portable Headphone Ampli er / USB DAC

USER

GUIDE

Important Information

The exclamation point within an equilateral
triangle is intended to alert the user to the
presence of important operation and
maintenance (servicing) instruction in the
literature accompanying the appliance.

WARNING: TO REDUCE THE RISK OF FIRE OR

ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE
TO RAIN OR MOISTURE. DO NOT OPEN THE CABINET.
REFER SERVICING TO QUALIFIED PERSONNEL ONLY.
THE APPARATUS SHALL NOT BE EXPOSED TO
DRIPPING OR SPLASHING AND THAT NO OBJECTS
FILLED WITH LIQUIDS, SUCH AS VASES SHALL BE
PLACED ON THE APPARATUS.

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this device near water.

6. Clean only with a dry cloth.

7. Do not install near any heat sources such as radiators,
heat registers, stoves, or other apparatuses (including
amplifiers) that produce heat.

8. Only use attachments and accessories specified by
the manufacturer.

9. Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as when the power supply
cord or plug is damaged, liquid has been spilled or
objects have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does not
operate normally, or has been dropped.

WARNING: To prevent possible hearing

damage, do not listen at high volume levels for
long periods. Caution should be taken when

product because excessive sound pressure (volume) from
earphones or headphones can cause hearing loss.

using earphones or headphones with the

FCC Statement (For U.S. Customers)

This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential

installation. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there is no
guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference
to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following
measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and

receiver.

• Connect the equipment into an outlet on a circuit

different from that to which the receiver is connected.

• Consult the dealer or an experienced radio or TV

technician for help.

• This device complies with FCC radiation exposure

limits set forth for an uncontrolled environment.

CAUTION: Any changes or modifications not expressly

approved by the party responsible for compliance could void
the user's authority to operate the equipment.

This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) this
device must accept any interference received, including
interference that may cause undesired operation.

Canada Statement (For Canadian Customers)

This device complies with Industry Canada licence-exempt
RSS standard(s). Operation is subject to the following two
conditions: (1) this device may not cause interference, and (2)
this device must accept any interference, including
interference that may cause undesired operation of the
device.

Le présent appareil est conforme aux CNR d'Industrie
Canada applicables aux appareils radio exempts de licence.
L'exploitation est autorisée aux deux conditions suivantes : (1)
l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur
de l'appareil doit accepter tout brouillage radioélectrique subi,
même si le brouillage est susceptible d'en compromettre le
fonctionnement.

The device meets the exemption from the routine evaluation
limits in section 2.5 of RSS 102 and compliance with RSS­102 RF exposure, users can obtain Canadian information on
RF exposure and compliance.

Le dispositif rencontre l'exemption des limites courantes
d'évaluation dans la section 2.5 de RSS 102 et la conformité
à l'exposition de RSS-102 rf, utilisateurs peut obtenir
l'information canadienne sur l'exposition et la conformité de rf.

Legal Notice

“Made for iPod”, “Made for iPhone”, and “Made for iPad”
mean that an electronic accessory has been designed to
connect specifically to iPod®, iPhone®, or iPad®,
respectively, and has been certified by the developer to meet
Apple performance standards. Apple is not responsible for
the operation of this device or its compliance with safety and
regulatory standards. Please note that the use of this
accessory with iPod, iPhone, or iPad may affect wireless
performance.

iPad, iPhone, iPod and iPod touch® are trademarks of Apple
Inc., registered in the U.S. and other countries.

Compatible iPod/iPhone/iPad Models

USB wor ks wi th iPhone 6, iPhone 6 Plus, iPhone 5s, iPhone
5c, iPhone 5, iPhone 4s, iPad (4th generation), iPad mini,
iPod touch (5th generation).

Android™ Compatibility

The HA-2(SE)’s USB input B works with Android devices that
support USB OTG (USB On -The-Go) and USB Audio Class

2.0. Not all devices are compatible.

Android is a trademark of Google Inc.

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-to­analog 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 USB­compatible 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

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

32

Names and Functions of Parts

Top:

1. Power/Volume Knob: Turn this knob clockwise until it
clicks to turn on the unit. Continue turning it clockwise
to increase the volume. Turn it counterclockwise to
decrease the volume. Turn it counterclockwise until it
clicks to turn off the unit.

2. Power Indicator: A green light indicates that the
power is on. The light also serves as a reference point
for the scale on the Volume Knob.

3. Audio-in / Line-Out Jack: When the Source Selector
is set to “C”, this jack can be connected to an analog
audio source, such as a portable music player. When
the Source Selector is set to “A” or “B”, this jack acts
as the line-out for the USB DAC.

4. Headphone Jack: Plug your headphones into this jack.
CAUTION: Always reduce the volume before plugging

headphones in and putting them on. While wearing
headphones, do not connect or disconnect them.
Doing so could result in a sudden loud noise that could
harm your hearing.