Roland GR-300

via this auction

"GR-300 Specifications
Hexa VCO: Master Tuning, Pitch A (±1300 cent), Pitch B(±1300 cent), Pitch LATCH/UNLATCH Switch (2), Sweep Rise Time (0-6 sec), Sweep Fall Time (0-0 sec), LFO Rate (2-10 Hz), VCF: Preset A Attack Time (0-2 sec), MOD Sens, Preset B Attack Time (0-2 sec), MOD Sens, VCA: Compression Switch (Long Sustain), Footswitch: COMP (Envelope Compression), Pitch A (Pitch A/OFF Select), Pitch B (Pitch B/OFF Select), ENV MOD (VCF Envelope MOD). ENV INV (ENV MOD Invert) String Select: 1-6 Select Switch 6, String indicator 6 ,EXT Foot Control: String Select Switch, Sweep ON/OFF, VCF Pedal, Compression Switch. Input: 24P Connector Output: MIX/SYNTH Guitar. Power Consumption: 20W Dimensions: 400(W) x 100(H) x 290(D)mm (15.7” x 3.9” x 11.4”) Weight: 5kg (11 lbs.)"