It is a DAC (Digital-to-Analogue Converter) combined with amplifier and bass booster. This device is originally intended for use with Apple computers, I-phone, and I-pad, but it also works with Android devices that support USB OTG and some Linux OS. It is also known to work with windows 10 after installing a driver software (downloadable from the manufacturer support site). I currently use it with my iphone.There is a substantial sound improvement (in comparison with built-in DAC for iphone 6) and substantial boost of volume and bass. For amplification alone (without DAC), you dont need any software for any device. The sale does not include connecting cables. All the connecting cables can be purchased easily online or locally. For more information on Oppo HA-2 SE, or to download the windows driver software, go to https://www.oppodigital.com/headphone-amplifier-ha-2SE/headphone-amplifier-HA-2SE-Support.aspx Some reviews/compatibility/discussions etc, read https://www.avforums.com/reviews/oppo-ha-2-headphone-dac-review.11514/ orhttps://fiio.com/newsinfo/53982.html

Item Title? Oppo HA-2SE Portable Headphone Amplifier Tested Working Used Very good From JPNDescriptionAll of Items Will be Shipped From Japan.Please check with the image. Output300mW(16?)220mW(32?)30mW(300?)Headphone jack (mini plug)1 line?Condition Details?Notes on applicable itemsFor books, the language is Japanese.For DVDs, you can play it with a player that supports Region 2.For game software, it can be played on a Japanese version of the game console.[About Electronics]The rated voltage of this product is 100 V. A suitable transformer and adapter are required for use in countries with voltages of 100 V or more, such as 200 V to 240 V. Our company shall not be liable for any damage to the equipment caused by the use without the use of a transformer or adapter. Please check before purchase.Payment Please pay within 7 days of first purchase. ebay payments We can not separate invoice. Please understand.Shipping&Handling?Speedy Shipping Shipped by DHL, FedEx, or Japan Post with tracking number. *If your location is designated as remote, additional shipping charges may apply. (Some areas such as Australia, Canada, Chile, and remote areas of the U.S.) I will pack it carefully. ?Economy Shipping (Japan Post) Economy Airmail 15-40 days without tracking Additional shipping fees may apply for countries/areas where delivery by Japan Post is not available. Handling Time Please check the categories of Shipping and payments. International Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying. If you have any questions about products, shipping, etc., please do not hesitate to contact us by message. Thank you for your understanding.

Oppo HA-2 Portable Headphone Amp. Does not come with box or cables, but still works great. Photo included showing it still powers on. Purchased and used by an audiophile, so it’s been taken care of. Ships from a smoke free home.

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Rarely used HA-2se. Great sounding with all accessories. Comes with Audioquest Jitterbug.

Rarely used HA-2se. Great sounding with all accessories. Comes with Audioquest Jitterbug.

Description Everything in the photos is included. Please check the condition before purchase Shipping information Packages:Box or envelope and Bubble wrup Packages usually leave our warehouse within 9 days of payment. Weekend orders will ship on Monday or Tuesday. We provide valid Tracking Numbers for all orders. International Packages We ship to all US Territories, Europe and Asia and Middle East and Australia and Canada including Guam and Hawaii. All our international packages ship under the Fedex or Japan Post. Customer Service If you have any questions or issues, we are at your service. You can email us anytime through eBay messages. Return Information We offer a standard FREE 30 days refund or exchange policy. Item must be returned in original condition in order to receive a full refund. Customs duty Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying. We cant not reply gifts or unreasonable requests such as declared amount.

Oppo HA-2SE Audiophile Headphone Amplifier Portable Description & Condition ?Product/model number/model? HA-2SE ?Accessories? Main body Outer case Instructions cable power supply All the photos are posted. There is almost no signs of use, and the product is in very good condition overall. Shipping We ship using FedEx, DHL and Japan Post. Payment We usually ship within 10 business days of receiving cleared payment. . International Buyers - Please Note: Import duties, taxes and charges are not included in the item price or shipping charges.These charges are the buyer’s responsibility.Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying. These charges are normally collected by the delivering freight (shipping) company or when you pick the item up do not confuse them for additional shipping charges. I do not mark merchandise values below value or mark items as gifts - US and International government regulations prohibit such behavior.

Gently used Oppo HA-2 SE in excellent condition. This is the improved “SE” version of the HA-2. Can be used as an amp or DAC/Amp combo. Onboard battery can also re-charge phones, earbuds, etc. Very smooth sounding. Original box, charger, and connection cables. Your USB-A to lightning iPhone charging cable also makes connections easy if you want to carry fewer cables. You’ll find many excellent reviews of this DAC/Amp on-line. Only selling as I don’t travel as much these days. Enjoy!