Today's iPod Touch and iPhone models feature built-in Bluetooth transmitters — but if yours doesn't, the Sennheiser BTD 300i can help. It sends music from your iPod to other compatible devices, like Sennheiser's MM 450 Bluetooth headphones, and select home receivers, car stereos, and powered speaker systems. This small transmitter plugs into your player's dock connection, and has a wireless range of up to 30 feet.

Product Highlights:

  • compatible with docking iPods
  • compatible with iPhone
  • transmitter connects to your iPod's dock connector
  • draws minimal current from player for operation
  • wireless range of up to 30 feet
  • designed for optimal operation with Sennheiser PX(C) Bluetooth headphones
  • supports A2DP (Advanced Audio Distribution Profile) enabled headphones
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research

What's in the box?

Download owner's manual

  • Bluetooth wirless stereo audio transmitter (for iPod/iPhone)
  • Instruction Manual

Product Research

Features

Overview: The Sennheiser BTD 300i is a Bluetooth stereo audio transmitter dongle with an Apple 30-pin iPod/iPhone connector for select Apple iPods and iPhones. If your iPod/iPhone does not support the Blue stereo audio profile (A2DP) or the Bluetooth audio/video remote control profile (AVRCP), you can use the BTD 300i adapter to wirelessly stream audio from the iPod/iPhone to another Bluetooth enabled component in your home. The BTD 300i allows you to extend the functionality of your iPod/Phone by adding support for these Bluetooth profiles.

Bluetooth Technology: Wireless Bluetooth technology provides an interface for wireless communication (over 2.4GHz radio frequency) between your iPod/iPhone and other Bluetooth enabled devices.

Bluetooth Profiles: The Sennheiser BTD 300i features Bluetooth version 2.0 + EDR and supports the following Bluetooth profiles.

  • A2DP: Wireless stereo music streaming.
  • AVRCP: Wireless remote control playback functions.

Note: The BTD 300i can save the connection profiles of up to 5 Bluetooth enabled devices.

Bluetooth Range: The BTD 300i has a Bluetooth wireless range of 30-feet (10m).

Connector Type: The BTD 300i features a proprietary Apple 30-pin iPod/iPhone connector to plug into your Apple iPod or iPhone.

iPod Compatibility: The Sennheiser BTD 300i is only compatible with the following iPods/iPhones.

  • iPod video (5th generation)
  • iPod mini (1st/2nd generation)
  • iPod nano (1st/2nd/3rd/4th/5th generation)
  • iPod classic (80/120/160GB)
  • iPod touch (1st/2nd/3rd generation)
  • iPhone (2G/3G/3GS)

Apt-X Compatible: The Sennheiser BTD 300i enhances sound quality of Bluetooth transmission when paired with an Apt-X capable Sennheiser device.

Power Supply: The Sennheiser BTD 300i draws power directly from the connected iPod or iPhone.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Sennheiser BTD 300i Reviews

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Sennhiser BTD 300i

Written By Mo, Oakland, CA on Saturday, May 05, 2012

Crutchfield Customer Review (What's this?)

This little gadget plugs into my iPod perfectly and enables clear music transmission through a Bluetooth receiver to my two hearing aids. Music now sounds almost as good as before my severe hearing loss began.

Pros: well made and looks durable

Cons: none