
RR-US591 RR-US571 RR-US551
Features
Built-in Stereo Microphone Yes Yes Yes
Built-in Zoom Microphone Yes Yes Yes
Capacity of Flash Memory 4GB 2GB 1GB
Security Function Yes*1 Yes*1 Yes*1
PC Link Function / USB Terminal Yes (USB 2.0) Yes (USB 2.0) Yes (USB 2.0)
Long Recording Time Monaural SLP Mode: 1096h 50m Monaural SLP Mode: 544h 20m Monaural SLP Mode: 266h 30m
Number of Recording Files (max.) Voice 99 files x 4 folders 99 files x 4 folders 99 files x 4 folders
Music 999 files x 1 folder 999 files x 1 folder 999 files x 1 folder
Easy Recording Setting ZOOM, WIDE, MANUAL ZOOM, WIDE, MANUAL ZOOM, WIDE, MANUAL
Digital VAS Function Yes Yes Yes
Recording Modes XP/ LP/ SLP XP/ LP/ SLP XP/ LP/ SLP
Speed Control 21 steps 21 steps 21 steps
Recording Format MP3*2 MP3*2 MP3*2
Recording Sound (Stereo/Monaural) Stereo/ Monaural Stereo/ Monaural Stereo/ Monaural
Jack
Ext. MIC. Yes Yes Yes
Headphone/Earphone Yes Yes Yes
Speaker
Built-in Speaker 25/32” / 8ohms 25/32” / 8ohms 25/32” / 8ohms
Standard Accessories
USB Cable Yes Yes Yes
Power
Output Power 330mW 330mW 330mW
Battery AAA x 2 AAA x 2 AAA x 2
Battery Life (for Recording)*3 45h (Monaural SLP mode) 45h (Monaural SLP mode) 45h (Monaural SLP mode)
Dimensions
(WxHxD) (inch) (Approx.) 1-19/32 x 4-11/32 x 21/32 1-19/32 x 4-11/32 x 21/32 1-19/32 x 4-11/32 x 21/32
Weight
(With Batteries) (oz) (Approx.) 2.3 2.3 2.3
(Without Batteries) (oz) (Approx.) 1.52 1.52 1.52
*1 This security function is only to limit a playback function for files by password, not by encryption. We do not guarantee any kind of loss in case your password gets discovered.
*2 This model is not compatible with TRC/ADPCM format IC recorders made by Panasonic. Also, files recorded on this unit cannot be played on those IC recorders and/or cannot
be read using Voice Editing software supplied with those IC recorders.
*3 With Panasonic Alkaline AAA battery
Design and specifications are subject to change without notice.
2010 RR-US591/RR-US571/RR-US551 IC Recorder (E1) Specifications