电子琴 (diànzǐqín): electronic keyboard

Per 《新华词典》: 键盘乐器，采用半导体集成电路，对乐音信号进行放大 — 'keyboard instrument that uses semiconductor integrated circuits to amplify tone signals'. Refers broadly to the home-organ style keyboard with built-in speakers and preset rhythms; distinct from 电钢琴 (digital piano, weighted keys) and 合成器 (synthesizer, sound-design tool).

memory

电子 = 'electronic', 琴 = general word for stringed or keyboard instruments (as in 钢琴 'piano', 小提琴 'violin').