R-4
4-Channel Audio Recorder
Download Manual items, from 1 to 4 (4 in total)

The effect when the R-4/R-4 Pro is operating
(EN06-13047)

Attaching the Ferrite Core before using the R-4
(EN06-11341)

R-4 Owner's Manual
(EN05-06460)

Added functions in the R-4
(EN05-06461)