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 > Basic Manual
Playback from USB storage 
devices
 ■ USB Storage Device Requirements
•
This unit can use USB storage devices that comply with 
the USB mass storage device class standard.
•
FAT16 or FAT32 file system format.
•
If the USB storage device has been partitioned, each 
section will be treated as an independent device.
•
Up to 20,000 tracks per folder can be displayed, and 
folders may be nested up to 16 levels deep.
•
USB hubs and USB storage devices with hub functions 
are not supported. Do not connect these devices to the 
unit.
•
USB storage devices with security function are not 
supported on this unit.
•
If you connect a USB hard disk drive to the USB port of 
the unit, we recommend that you use its AC adapter to 
power it.
•
Media inserted to the USB card reader may not be 
available in this function. Furthermore, depending on 
the USB storage device, proper reading of the contents 
may not be possible.
•
Our company accepts no responsibility whatsoever for 
the loss or damage to data stored on a USB storage 
device when that device is used with this unit. We 
recommend that you back up your important music files 
beforehand.
 ■ Supported Audio Formats
This unit supports the following music file formats. Note 
that sound files that are protected by copyright cannot be 
played on this unit.
MP3 (.mp3/.MP3):
•
Supported formats: MPEG-1/MPEG-2 Audio Layer 3
•
Supported sampling rates: 44.1 kHz, 48 kHz
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Supported bitrates: Between 8 kbps and 320 kbps.
WMA (.wma/.WMA):
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Supported sampling rates: 44.1 kHz, 48 kHz
•
Supported bitrates: Between 5 kbps and 320 kbps.
•
WMA Pro/Voice/WMA Lossless formats are not 
supported
WAV (.wav/.WAV):
WAV files include uncompressed PCM digital audio.
•
Supported sampling rates: 44.1 kHz, 48 kHz, 88.2 kHz, 
96 kHz, 176.4 kHz, 192 kHz
•
Quantization bit: 8 bit, 16 bit, 24 bit
AIFF (.aiff/.aif/.AIFF/.AIF):
AIFF files include uncompressed PCM digital audio.
•
Supported sampling rates: 44.1 kHz, 48 kHz, 88.2 kHz, 
96 kHz, 176.4 kHz, 192 kHz
•
Quantization bit: 8 bit, 16 bit, 24 bit
AAC (.aac/.m4a/.mp4/.3gp/.3g2/.AAC/.M4A/ 
.MP4/.3GP/.3G2):
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Supported formats: MPEG-2/MPEG-4 Audio
•
Supported sampling rates: 44.1 kHz, 48 kHz, 88.2 kHz, 
96 kHz
•
Supported bitrates: Between 8 kbps and 320 kbps.
FLAC (.flac/.FLAC):
•
Supported sampling rates: 44.1 kHz, 48 kHz, 88.2 kHz, 
96 kHz, 176.4 kHz, 192 kHz
•
Quantization bit: 8 bit, 16 bit, 24 bit
Apple Lossless (.m4a/.mp4/.M4A/.MP4):
•
Supported sampling rates: 44.1 kHz, 48 kHz, 88.2 kHz, 
96 kHz, 176.4 kHz, 192 kHz
•
Quantization bit: 16 bit, 24 bit
DSD (.dsf/.dff/.DSF/.DFF):
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Supported formats: DSF/DSDIFF
•
Supported sampling rates: 2.8 MHz, 5.6 MHz
Dolby TrueHD (.vr/.mlp/.VR/.MLP):
•
Supported sampling rates: 44.1 kHz, 48 kHz, 88.2 kHz, 
96 kHz, 176.4 kHz, 192 kHz
•
Variable bit-rate (VBR) files are supported. However, 
playback times may not be displayed correctly.
•
This unit supports the gapless playback of the USB 
storage device in the following conditions.
When playing WAV, FLAC and Apple Lossless, and 
the same format, sampling frequency, channels and 
quantization bit rate are played continuously.