Roland VT-4; Voice Transformer; desktop effects processor for vocal effects; intuitive and creative handling via sliders, knobs and buttons; Vocoder-, Pitch-Shifting-, Harmonizer- effects and more; adjustable reverb effects; 8 user settings storable; up to 6 hours of battery operation (4x AA batteries); input level: -40 bis -12 dBu; output level: -10 dBu; 1x XLR/TRS-Combo microphone input; 1x 3,5 mm microphone input; 2x 6,3 mm stereo line output; 1x 3,5 mm headphone output; MIDI input; USB port; dimensions: 174 x 133 x 58 mm; weight: 554 g