The Roland TD-50 is an electronic drum module that provides professional drum sounds. Upgraded to TD-50X. - Model Name: TD-50 - Brand Name: Roland - Connection Terminals: MIDI, USB, TRIGGER IN, MASTER OUT, DIRECT OUT - Display: LCD display - Function: Drum sound module Thank you for viewing. How about upgrading your sound module? There are no operational issues. It's not new, but it's in beautiful condition. It has been upgraded to TD-50X, so you can further tweak the sounds. This time, I'm also including a snare drum, PD-140DS. You can immediately attach a digital snare to your electronic drum set. If you are interested, please consider it.