Roland G707 Guitar Controller and the GR 700 Guitar Synthesizer. Still have mine. The controller (guitar) was made by the same folks who bring you Ibanez, I bel…
Roland GR 700 Guitar Synthesizer Module (1980's)(please read) | eBay
Roland GR-700 - Programmable Analog Guitar Synthesizer
Roland G-707 + GR-700 1984 silver (rare guitar synth from early 80s) | Stefano Rare Vintage Instruments | Reverb | Guitar, Rare guitars, Synth
Roland Gr700
Roland Gr-700 & 707 80's guitar synth | Thiels Music Center | Reverb