1
Chapter
Main Features
The JS-8 combines the functions of an audio playback device with a variety of popular BOSS guitar effects, all in a single unit.
Just plug in your guitar and enjoy performing along with songs while playing through great-sounding COSM amps and effects.
Look what you can do with the JS-8
• You can enjoy playing your guitar while listening to a song play back from SD card or USB memory.
Songs" (p. 8)
• You can record your performance (along with the backing music) to assess your playing or create a new backing track.
"Recording Performances" (p. 9)
• You can use the included JS-8 Song List Editor to import a song from an audio CD, and enjoy playing your guitar while
listening to that song.
• You can enjoy playing your guitar while using the Phrase Trainer to freely change the song's playback speed or play-
back pitch, or cancel sounds located in the center.
Basic Routing of Sounds
Audio Signal
Song (Audio File)
GUITAR IN
Types of Memory Supported by the JS-8
and Their Applications
SD (or SDHC) Cards
The JS-8 can record your performances, and can play back
songs from an SD card (JS-8 songs, MP3, or WAV).
• You'll need an SD card in order to record and play back
on the JS-8.
990, 991
• The JS-8 supports SDHC cards.
• Some SD card types or SD cards from some manufactur-
ers may not record or play backproperly on the JS-8.
USB Memory
You can play back MP3 and WAV files stored in USB memory
just as they are and import song data to SD cards.
• Operation of the JS-8 does not require USB memory.
• No USB memory is included with the JS-8. Purchase USB
memory separately.
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"Using the JS-8 Song List Editor" (p. 18)
Song
(MP3 or other format)
Play back
directly.
"Phrase Trainer" (p. 15)
Audio Player Section
E ects Section
Play/import
songs
Export
songs
USB memory
Memory Confirmed as Functional with
the JS-8
Information on SD cards and USB memory confirmed to
work with the JS-8 can be found on the Roland website.
http://www.roland.com/
Internal Speaker
Recording is possible
only to SD card.
Audio Recorder Section
SD card
JS-8 internal
memory
- E ect parameters
- System parameters
- Songs and song parameters
- Rhythm
"Playing
Song