MP3i (MP3
Not compatible
interactive), mp3 PRO
WAV files
• WAV file formats cannot be connected via
MTP.
File extension
.wav
Quantization bits
8 and 16 (LPCM), 4
(MSADPCM)
Sampling frequency
16 kHz to 48 kHz
(LPCM), 22.05 kHz and
44.1 kHz (MS ADPCM)
AAC files
Compatible format
AAC encoded by
iTunes
File extension
.m4a
Sampling frequency
11.025 kHz to 48 kHz
Transmission rate
16 kbps to 320 kbps,
VBR
Apple Lossless
Not compatible
AAC file bought from
Not compatible
the iTunes Store (.m4p
file extension)
FLAC files
• FLAC file formats cannot be connected
via MTP.
• FLAC files may not be playable,
depending on the encoder.
File extension
.flac
Sampling frequency
8/11.025/12/16/22.05/
24/32/44.1/48/96 kHz
Quantization bit rate
16/24 bit
Channel mode
1/2 ch
Disc
• Regardless of the length of the blank
section between the songs from the
original recording, compressed audio
discs play with a short pause between
songs.
Playable folder
Up to eight tiers (A
hierarchy
practical hierarchy is
less than two tiers.)
Playable folders
Up to 99
Playable files
Up to 999
File system
ISO 9660 Level 1 and
2, Romeo, Joliet
Multi-session
Compatible
playback
Packet write data
Not compatible
transfer
USB device
• There may be a slight delay when starting
playback of audio files on a USB storage
device with numerous folder hierarchies.
Playable folder
Up to eight tiers (A
hierarchy
practical hierarchy is
less than two tiers.)
Playable folders
Up to 1 500
Playable files
Up to 15 000
Playback of copyright-
Not compatible
protected files
Partitioned USB
Only the first partition
device
can be played.
iPod compatibility
This unit supports only the following iPod
models. Supported iPod software versions are
shown below. Older versions may not be
supported.
Made for
– iPod touch (1st through 6th generation)
– iPod classic
– iPod with video
– iPod nano (1st through 7th generation)
– iPhone 6s
– iPhone 6s Plus
– iPhone 6
– iPhone 6 Plus
– iPhone 5s
– iPhone 5c
– iPhone 5
– iPhone 4s
– iPhone 4
– iPhone 3GS
– iPhone 3G
– iPhone
• Operations may vary depending on the
generation and/or software version of
the iPod.
• Users of iPod with the Lightning
Connector should use the Lightning to
USB Cable (supplied with iPod).
• Users of iPod with the Dock Connector
should use the CD-IU51. For details,
consult your dealer.
• Refer to the iPod manuals for information
about the file/format compatibility.
• Audiobook, Podcast: Compatible
CAUTION
Pioneer accepts no responsibility for data
lost on the iPod, even if that data is lost
while this unit is used.
Sequence of audio files
The user cannot assign folder numbers and
specify playback sequences with this unit.
Sequence of audio file depends on the
connected device.
Note that the hidden files in a USB device
cannot be played back.
Example of a hierarchy
Folder
Compressed
audio file
01 to 05: Folder number
to
: Playback sequence
Copyright and trademark
Bluetooth
The
word mark and logos are
registered trademarks owned by Bluetooth SIG,
Inc. and any use of such marks by PIONEER
CORPORATION is under license. Other
trademarks and trade names are those of their
respective owners.
iTunes
Apple and iTunes are trademarks of Apple
Inc., registered in the U.S. and other
countries.
WMA
Windows Media is either a registered
trademark or trademark of Microsoft
Corporation in the United States and/or
other countries.
This product includes technology owned
by Microsoft Corporation and cannot be
used or distributed without a license from
Microsoft Licensing, Inc.
FLAC
Copyright © 2000-2009 Josh Coalson
Copyright © 2011-2014 Xiph.Org
Foundation
Redistribution and use in source and
binary forms, with or without modification,
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