“Akai MPC500 Memory Music Production Sampler and Sequencer.
Tested and works. No power supply or manual (original manual was in Japanese and English manual can be downloaded). Also runs off 6 AA batteries
Unit has 1/4″ phones jack, 1/4″ stereo outputs of right & left, 1/4″ stereo line or mic right and left input, USB interface, and MIDI In and MIDI Out jacks along with a memory card input (picture of memory card above)” Click here to visit listing on eBay