実機レビューあり】BOSS GX-100|高品位なサウンドと高い汎用性を備えたマルチ・エフェクターが登場! | ギタセレ(Guitar Selection),BOSS『GX-100』マルチエフェクター – Haluna Guitar Studio,BOSS GX100 GUITAR MULTI EFFECTS PROCESSOR Rockshop,Boss GX-100 – Thomann België,BOSS takes its floor modellers to the next level with the GX-100