iPod
• Do not leave the iPod in places with high
temperatures.
• Firmly secure the iPod when driving. Do
not let the iPod fall onto the floor, where
it may become jammed under the brake
or accelerator pedal.
• The settings of the iPod such as the
equalizer and repeat play are changed
automatically when the iPod is
connected to the unit. Once the iPod is
disconnected, those settings will return
to the original settings.
• Incompatible text saved on the iPod will
not be displayed by the unit.
Compressed audio
compatibility
• Only the first 32 characters can be
displayed as a file name (including the file
extension) or a folder name.
• The unit may not work properly
depending on the application used to
encode WMA files.
• There may be a slight delay at the start of
the playback of audio files embedded
with image data, or audio files stored on a
USB device with numerous folder
hierarchies.
CAUTION
• Pioneer cannot guarantee compatibility
with all USB mass storage devices, and
assumes no responsibility for any loss of
data on media players, smartphones, or
other devices while using this product.
• Do not leave discs or a USB storage
device in any place that is subject to high
temperatures.
WMA files
File extension
.wma
Bit rate
48 kbps to 320 kbps
(CBR), 48 kbps to 384
kbps (VBR)
Sampling frequency
32 kHz, 44.1 kHz, 48
kHz
Windows Media™
Not compatible
Audio Professional,
Lossless, Voice/DRM
Stream/Stream with
video
MP3 files
File extension
.mp3
Bit rate
8 kbps to 320 kbps
(CBR), VBR
Sampling frequency
8 kHz to 48 kHz (32
kHz, 44.1 kHz, 48 kHz
for emphasis)
Compatible ID3 tag
1.0, 1.1, 2.2, 2.3, 2.4
version
(ID3 tag Version 2.x is
given priority over
Version 1.x.)
M3u playlist
Not compatible
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
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)
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 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 5th generation)
– iPod classic
– iPod with video
– iPod nano (1st through 7th generation)
– 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
En
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