Do you want to wirelessly stream music from your iPhone to a speaker playing, you're often forced to a specific speaker or to buy an AirPort Express to your existing stereo operation. Neither option is ideal in some situations: for example, AirPlay speakers often quite expensive and the use of a full-fledged amp exaggerated when you only want to use AirPlay. The amplifier Twenty Griffin is a good middle ground: it binds to an AirPort Express and your speakers to your music wirelessly stream.
Twenty to Griffin support you need an AirPort Express, but it goes into the design of the amplifier. Then you only the speakers back of the device to connect. On top is a single knob to adjust the sound with.
The Twenty Griffin is currently shown at CES, one of the largest technology fairs in the world. Further details about the product, such a price and launch date are still missing.