The stylish, solidly built AT-300 provides a dual-manual keyboard (49+61) and pedalboard, 180 voices, harmonic bars, a 60w stereo speaker system, and USB port for loading registration data and new songs via USB Flash Memory, FD drive or CD drive. Not too big, not too small, this attractive model is a great choice for mid-to-high-level organists.
Superb organ sounds and orchestral voices
Easy-to-use rhythm function
High-quality built-in stereo speaker system
Harmonic bars for enhanced organ sound and performance
Waterfall-style lower keyboard
Multi-function USB port can be used for optional memory key (M-UF1G), floppy drive (FD-01A), or CD drive (CD-01A) (play along with VIMA TUNES songs or audio CDs)
Upper: 49 keys (C3 to C7) with 10 levels Initial Touch Lower: 61 keys (Waterfall keyboard, C2 to C7) with 10 levels Initial Touch
20 keys (C2 to G3)
Damper Pedal, Expression Pedal
2 (function assignable)
Conforms to GM2/GM/GS/XG lite
180 Voices (Included 8 Active Expression Voices)
12 Drum Sets + 1 SFX Set
Rotary Sound, RSS Reverb, Sustain, Glide
Upper Part: Upper Lower Part: Lower Solo Part: Solo Pedal Part: Pedal
Flute (with harmonic bars)
Memories: 8 Function: Load Next, File Edit
415.3 Hz to 466.2 Hz (0.1 Hz steps)
-4 to +7 (in semitones)
-6 to +5 (in semitones)
120 rhythms in 8 groups x 4 variations
Tempo, Arranger On/Off, Start/Stop, Sync Start, Intro/Ending, Intro Count Down, Break, Auto Fill In, Variation (4 variations), One Touch Program, Chord Intelligence, Leading Bass, Auto Standard Tempo
One Touch Program
120 rhythms x 4 variations
7 tracks (playback)
Approx. 40,000 notes
Max. 999 measures
Quarter note = 20 to 500
120 ticks per quarter note
USB memory, floppy disk (in the case of using optional USB floppy disk drive FD-01A)
MUSIC ATELIER original format, SMF format 0
Max. 99 songs for each folder
Rated Power Output
30 W + 30 W
Full-range: 20 cm x 2 (with speaker box)
Graphic 128 x 64 dots backlit LCD
Audio Output Jacks (L/mono, R), Audio Input Jacks (L/mono, R), Phones Jacks (stereo) x 2, MIDI connectors (In, Out), USB (MIDI) Jack, External Memory connector (USB Memory connector), AC Inlet
AC 117 V, 230 V, 240 V
Simulated Dark Walnut
Music Rest, Power Cord, Knob Bolt x 2, Cord Hook, Owner's Manual, Voice
Bench, Stereo Headphones, USB Memory (M-UF1G), USB Floppy Disk Drive (FD-01A), CD Drive Holder (DH-01)
Size and Weight ( Total )
1,233 mm48-9/16 inches
553 mm21-13/16 inches
1,172 mm46-3/16 inches
80.5 kg177 lbs. 8 oz.
*The specifications are subject to change without notice.
This is the latest operating system version for the AT-300 / AT-100 /
AT-75. Please refer to the "AT-300_100_75 System Update Procedure”
pdf document included in this download for the update procedure.
If you have questions about operating your Roland product, please check our Knowledge Base for answers to the most common questions.
You can also contact our Product Support department by phone or email.
In addition, we have a library of Owner’s Manuals and Support Documents that you can download and reference.