The Pioneer VSX-522-K 5.1-Channel A/V Receiver for iPhone/iPod provides 400W of clear audio reproduction and state-of-the-art technology. It's the perfect entry-level receiver to let you experience Pioneer's heritage of quality sound reproduction and innovative technology in your home system. The Pioneer receiver seamlessly brings your iTunes music library where you want it: your living room. Plus the front panel USB port is ready for the newest sources for music: smartphones, tablets, most Android devices and thumb drives, and has been upgraded to handle CD quality, uncompressed 48KHz/16-bit MP3, WMA and AAC files. The VSX-522-K supports the latest high-definition audio formats like Dolby TrueHD and DTS-HD Master Audio to give your Blu-ray Disc soundtracks unsurpassed audio quality. Pioneer also includes all Dolby and DTS surround formats best suited for the wide variety of available entertainment sources, including the newest Dolby Pro Logic IIz height channel.