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Omilik DC 9V2A Power Adapter Charger compatible with ROLAND GR-1 GR-30 GR-55 Guitar Synth - Walmart.com
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KONKIN BOO Compatible AC/DC Adapter Replacement for Boss Roland GR-1 GR-30 Guitar Synthesizer Power Supply Cord Cable PS Wall Home Charger Input: 100 - 240 VAC 50/60Hz Worldwide Voltage Use Mains PSU -
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