32 rhythms Polish analog drum machine from the Communist era. Has 6 knobs: bass, snare and hihat volume, global tempo, fine tempo, main volume. Goes together with a foot switch that has 2 buttons: start/stop and intro/fill-in. These buttons are also on the main unit and are activated when the foot switch is unplugged.
APS Mini Rhythm MR 3201 MP3 Sounds pretty tight.