Oppo HA-2 User Manual
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Oppo HA-2 User Manual

Portable headphone amplifier / usb dac
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HA-2
Portable Headphone Amplifier / USB DAC
USER GUIDE

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Summary of Contents for Oppo HA-2

  • Page 1 HA-2 Portable Headphone Amplifier / USB DAC USER GUIDE...

  • Page 2: Fcc Statement (For U.s. Customers)

    Important Information The exclamation point within an equilateral triangle is intended to alert the user to the presence important operation maintenance (servicing) instruction literature accompanying the appliance. WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.

  • Page 3: Canada Statement (For Canadian Customers)

    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.

  • Page 4: Legal Notice

    5C, iPhone 5, iPhone 4S, iPad (4th generation), iPad mini, iPod touch (5th generation). Made for Android™ Compatibility The HA-2’s USB input B works with Android devices that support USB OTG (USB On-The-Go) and USB Audio Class. Not all devices are compatible. Android is a trademark of Google Inc.
  • Page 5 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 a true companion for music on the go. Accessories...

  • Page 6: Names And Functions Of Parts

    Names and Functions of Parts Top: 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.
  • Page 7 HA-2’s internal battery. Side: Power Bank Indicator: A blue light indicates that the HA-2 is supplying power to a connected device via the USB A port. Battery Level / Charging Indicators: Four green lights indicate the HA-2’s internal battery level. When charging, these lights also indicate the charging status and currently charged capacity.

  • Page 8: Normal Charging

    This unit has a built-in rechargeable lithium polymer battery. It should be charged before use. VOOC Rapid Charging Connect the USB micro-B port of the HA-2 to the supplied VOOC Rapid Charger using the included USB A – USB micro-B data and rapid charging cable. Plugging the charger into a power outlet will begin charging the HA-2’s battery, and...

  • Page 9: Charging Status

    Charging Status The Charging Indicators on the side of the unit may show the following statuses: < 25% Fully Charged 100%    ☼    ☼     ☼    ☼   ...

  • Page 10: Checking Battery Level

    Checking Battery Level Press the Battery Check / Power Bank Button briefly to check the battery level. The Battery Level Indicators will light up to show the remaining battery power: < 20% 100%        ...
  • Page 11  Press and hold the Battery Check / Power Bank Button until the blue Power Bank Indicator lights up. The HA-2 is now supplying power to the mobile device.  Press and hold the Battery Check / Power Bank Button...

  • Page 12: Source Device Connections

    Source Device Connections It is recommended that you turn the unit off before making the connections. iPod / iPhone / iPad  Set the Source Selector to position “A”.  Connect the USB A port of the unit to the iPod / iPhone / iPad using the supplied USB A –...
  • Page 13  For Mac, no driver is required. You may need to select the HA-2 as the sound output device by going into System Preferences / Sound in Mac OS X.  For PC, please download the HA-2 USB driver from the OPPO Digital web site (www.oppodigital.com) and...

  • Page 14: Listening To Music

    Listening to Music To listen to music, you can connect a pair of headphones to the headphone jack, or connect an amplifier or a pair of powered speakers to the line-out jack. Using Headphones  Plug the headphones into the Headphone Jack of the unit.

  • Page 15: Quick Reference Chart

     Connect the Line-out jack to the stereo audio input of your amplifier or powered speakers.  Connect the unit to your music source according to the connections described above. Set the Source Selector to the correct position. Please note that the Line-out is only active when sources A or B are selected.

  • Page 16: Gain Selection

    Gain Selection The HA-2 has two gain levels. The low gain (L) level is intended for use with high sensitivity headphones and In-Ear Monitors (IEMs). The high gain (H) level can be used for other headphones if you feel that the volume is too low in low gain level even when the Power/Volume Knob has been rotated to the maximum volume position.

  • Page 17: Troubleshooting

     The volume is too low. Adjust the volume of the source device, and/or adjust the volume of the HA-2.  Incorrect connection to the source device. Please check the connection by referring to the “Source Device Connection”...

  • Page 18: Specifications

    Specifications General Dimensions 2.5 x 6.2 x 0.5 inches, (W x H x D) 68 x 157 x 12 mm Weight 6.2 oz, 175 grams Frequency 20 Hz – 200 kHz Response Audio-in Level 1 Vrms Line-out Level 1 Vrms @ 0 dBFS Recommended Headphone 16 Ohm –...
  • Page 19 © 2015 All rights reserved. OPPO Digital, Inc. 2629 Terminal Blvd. Suite B Mountain View, CA 94043, U.S.A. www.oppodigital.com service@oppodigital.com (650) 961-1118 51980338V1.0...
  • Page 20 www.oppodigital.com...

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