The RD-300SX supports General MIDI 2 (GM2).
Keyboard: 88 keys with velocity
Polyphony: 128 notes
Multitimbral: 16 parts
Preset Patches: 326
User Performances: 32
Preset Drum Kits: 14
Preset Styles/Rhythms: 185
ROM: 64 MB
Effects: reverb (4 types), 2-band digital equalizer, multi-effects (78 types)
Screen: 7-segment, 3-character LED
Power Consumption: 11 watts, 9V DC power adaptor
Weight: 15.5 kg
Dimensions: 1408 mm x 336 m x 134 mm
This keyboard is MIDI-enabled.
MIDI Connections: Both USB MIDI support and standard 5-pin MIDI in and out connections.
USB Connection: USB Type B
Roland RD-300SX MIDI Implementation
Roland - RD-700 , RD-300SX - Rotary potentiometer 50KB with center detent ($8.99)
Roland - EP-70 , RS-5/9 , SH-32 , FP-2/3/4/5 , RD-300SX - Power switch ($6.90)
Power Supply Replacement for ROLAND RD-300SX DIGITAL PIANO KEYBOARD UK ADAPTER 9V 2A ($10.71)
10 x Front panel pushbutton tact switch for Roland RD 300NX / 300SX / 500 / 600 / 700SX ($6.79)
Roland - Jupiter 50 , FANTOM-XR , RD-300SX/700SX , V-Synth , TB-3 - Now knob ($12.99)
Roland - RD- 2000, RD-300NX, RD-500, RD-600, RD-700, RD-700GX, RD-700NX, RD-700SX, RD-800 - knob ($14.99)
Custom padded cover for Roland RD 300 SX keyboard RD-300SX RD300SX ($58.71)
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