Sony MDR-IF33K Teardown

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Here are front and rear views of the IFR-33 infrared receiver. It's bigger than an iPod shuffle and carries no songs! ...or maybe it carries an infinite number of songs, connected to your stereo or other audio system, depending on how you look at it...
On the back, you'll find a swiveling clip and the battery compartment cover.
In use, the receiver can be clipped to your belt or shirt. The kit also comes with a lanyard (not shown) that let's you wear the receiver around your neck. Standard stereo earphones can be plugged into a jack at the bottom of the receiver.
The receiver is powered by a single AA battery.

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