Roland GR-55 Synthesizer PCM: 910 types Modeling: 23 types (guitar mode) 17 types (bass mode) Effects MFX (Multi-Effects): 20 types AMP (Preamp): 42 types MOD (Modulation): 14 types DELAY: 7 types REVERB: 5 types CHORUS: 4 types EQ: 1 type File Format: WAV, AIFF 近全新 附 GK-3B 以及 GK Cable 東西在台北 售2萬