The Roland E-X10 is a portable 61-key arranger keyboard designed for beginners, featuring a 64-voice sample-based sound engine with 601 tones including expressive acoustic pianos derived from Roland's stage pianos. It includes 207 preset accompaniment styles, 140 internal songs with lesson functions, and a stereo speaker system (2.5 W × 2). Key specifications encompass fixed-touch synth-action keys, reverb/chorus effects, USB MIDI connectivity, microphone input, and battery operation via six AA cells. Dimensions measure 94.7 cm width, 42.0 cm depth, and 27.5 cm height, with a net weight of 3.9 kg excluding accessories.