Sony (XAV-W650BT/XAVW600) video formats About WMA files WMA*1 files meeting the following requirements can be played. Playback is not guaranteed for all WMA files meeting the requirements. Codec Media File format: ASF file format File extension: .wma Bit rate: 48 to 192 kbps (Supports variable bit rate (VBR))*2 Sampling frequency*3: 44.1 kHz About MP3 files MP3 files meeting the following requirements can be played. Playback is not be guaranteed for all MP3 files meeting the requirements. Codec Media File format: MP3 (MPEG-1 Layer3) file format File extension: .mp3 Bit rate: 48 to 192 kbps (Supports variable bit rate (VBR))*2 Sampling frequency*3: 32, 44.1, 48 kHz About AAC files AAC files meeting the following requirements can be played. Playback is not be guaranteed for all AAC files meeting the requirements. Codec Media File format: AAC-LC supporting ADTS/ RAW/ADIF File extension: .m4a Bit rate: 40 to 320 kbps (Supports variable bit rate (VBR)/constant bit