Ik Multimedia UNO Drum Hybrid Drum Machine

Effects 3 types of performance effects (STUTTER, ROLL, RANDOM) 2 types of analog master effects (COMP, DRIVE)Connection terminals Audio out 3.5 mm mini stereo jack (mono summing) Audio in 3.5 mm mini stereo jack (mono summing) MIDI terminal 2.5 mm mini jack (converts to DIN with the included dedicated cable) USB port Micro USB typeSize 25.6 cm x 15 cm x 4.9 cm Weight 400g (excluding batteries)Accessories Micro USB to USB cable x 1 MIDI jack 2.5 mm - DIN cable x 2Power supply 4 x AA batteries USB bus power USB power has its own ground noise, so if you connect the UNO Drum directly to your computer via USB, you will not be able to use USB power from an outlet or battery power. The volume of noise may be heard louder in comparison. When connecting directly to a computer, use a commercially available USB isolator or use a TRS cable as shown below. You can reduce noise by avoiding ground connections at the balanced inputs of your preamp or audio interface.