A2DP is the abbrevation for Advance Audio Distribution Profile. This is one of a profiles use by Bluetooth technology. Bluetooth is a wireless technology that provide small-form factor low-cost radio transmission solution for small to medium size devices such as mobile phones, PDAs, home stereo speakers, car kits, PC, laptops, printers and TVs.

A Bluetooth profile is the standard interface use between 2 Bluetooth devices. Some examples of profiles are:

• A2DP profile transmit (stream music) from A2DP enabled mobile phones to Bluetooth A2DP output such as stereo headset or speakers.
• Basic Printing Profile (BPP) allow text and data to be transmitted to Bluetooth enabled printing device.
• Generic Audio/Visual Distribution Profile (GAVDP) transmit images from one Bluetooth Device to another as in sending a picture from a mobile phone to the Bluetooth laptop

The A2DP new music revolution technology enable avid music lovers to stream advance CD quality stereo audio music from one device to another. Now you can transmit music with the use of A2DP devices without the hassle of pluging wires and cables. Without interference it has a wireless range of 30 feet.

How does A2DP works?

This technology works by encoding the incoming audio to a Bluetooth format and then send the signal wirelessly to a Bluetooth A2DP enabled devices that decode the high quality music output. 

Among the A2DP equipped Bluetooth Outout Devices (Headsets & Speakers) are:

• Motorola Audex Jacket Series
• Motorola HT820
• Motorola RCKT
• Motorola S7
• Motorola Snoop MOTOROKR S9
• Motorola S705 SoundPilot
• Motorola S805 DJ Headphones
• Nokia HS-12W, HS-34W, HS-39W and HS71W
• BlueAnt X5 with A2DP adapter
• BlueAnt Bluetooth Sonic Speakers
• LG HBS-110
• LG HBS-200
• Samsung YP-T9B MP3 player
• Parrot MK6000 Car Stereo
• Sony MEX-BT5000 Car Stereo
• Samsung TVs HLT5089s TV, HLT5689S TV, HLT6189S TV, SPD-63P71FHD TV, SPD-50P91FHD TV, SPD-63P71FHD TV, SPD-50P91FHD TV

Note: Make sure that your device is A2DP Stereo enable before running out a store or log in you EBAY account to purchase a A2DP headset. It will not work. You need an additional device to make a non A2DP device to work with A2DP device. Below is a list of A2DP adapters/gateways:

• Motorola DC800 stereo adapter
• Nokia AD-42D wireless audio gateway
• Siemens Gagaset ZX2
• Sony Ericsson BMR-100
• Sony Ericsson MMV-200 media center

List of A2DP enabled phones:

• Motorola Phones A910, E6, E680i, E770, KRZR K1, KRZR K2, KRZR K3, RAZR, V3xm, V3xx, V6, ROKR E2, RIZR Z3,
• Nokia Phones 6126, 6131, 6103, 6151, 6233, 6234, 6280, 6282, 6288, 7373, 8800, 8800d, 8801, N91 8GB Eidition,
• Samsung phones SCH-B330, SCH-B380, SCH-i819, SCH-M600, SCH-V720, SCH-V740, SCH-V745, SGH-D510, SGH-D520, SGH-D600, SGH-D600E, SGH-D606, SGH-D608, SGH-D800, SGH-D820, SGH-E750, SGH-E760, SGH-E770, SGH-E870, SGH-i300, SGH-i300x, SGH-i308, SGH-i750, SGH-i858, SGH-P850, SGH-P858, SGH-S500i, SGH-X700, SGH-X800, SGH-Z320i, SGH-Z510, SPH-V890, SPH-V6900, SPH-V7600, SPH-V7400, SPH-V7450, SPH-V8900
• Sony Ericsson Phones  K610, K618, K610im, K618, K790 
• PalmOne TREO PDAs 680, 750, 750v
• If you phone is not on the list above please refer to your phone manual. More phones being updated every week.

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