Generally in Very Good condition, shows signs of usage but in excellent working order. Comes with power lead and manual. 

https://support.roland.com/hc/en-us/articles/201965789-MT-300-Technical-Specifications

The following are some key features of the Roland MT-300:

• Polyphony: 64 voices

• Sounds: 369 variations, including 8 drum sets and 1 SFX set

• File Compatibility: Supports playback of Standard MIDI Files (format 0/1) and Roland Original Format (i-format)

• Effects:

  • Reverb (8 types)

  • Chorus (8 types)

• Display: Large custom LCD display

• Connectors:

  • Output jacks

  • Microphone jack

  • Headphone jack

  • MIDI In and Out connectors

  • Computer connector

  • Expression pedal jack