Yamaha MU10 XG-compatible AWM2 Tone Generator

This unit is tested and working perfectly. In very good condition, there is some discolouration to the plastic case. Does not come with a power supply. 

The Yamaha MU10 is a small XG-compatible AWM2 tone generator with no display and no on-device editing capabilities, but it can be edited via software. It supports General MIDI and TG300B mode. The MU10 has a beige plastic case measuring 7" × 4" × 1.5" (19 × 10 × 3.5 cm) with no LCD display. It features two AD input channels for guitar or microphone and can apply effects to these input channels. The MU10 requires 12VDC (2.1mm, center pin positive jack) at @200 mA power and includes a headphone audio output and a to-host cable and MIDI input.