Vocal effect processor. Whether you’re a solo electronic artist, DJ, or singer in a band, the VT-4 lets you craft and shape your own unique vocal sounds, from subtle augmentation to radical transformation. Everything is hands on, with no menu diving or programming to get in the way. And with its compact size and 4 - 7 hour battery life, you can use the VT-4 anywhere. Nominal input level: MIC IN: -40 to -12 dBu (variable). Input Impedance: MIC IN (Rear): 4.4 kOhms. MIC IN (Front): 2.2 kOhms. Nominal Output Level: LINE OUT: -10 dBu. Output impedance: LINE OUT: 1 kOhm. Phones: 24 Ohms. Scene memory: 8. Effect type: Robot: normal, octave -1, octave +1, feedback. Megaphone: megaphone, radio, BBD chorus, strobo. Vocoder: advanced, VP, talk box, spell toy. Harmony: +5, +3, +3 / -4, +3 / +5. Reverb: reverb, echo, tempo delay, dub echo. Connectors: MIC IN jack (rear): Combo type (XLR, 1/4-inch TRS phone), balanced (phantom power: +48 V, 10 mA Max.). MIC IN jack (front): Stereo miniature phone type (plug-in power). PHONES jack: Stereo miniature phone type. LINE OUT jacks: (L/MONO, R/BYPASS): 1/4-inch phone type. USB port: USB type B. MIDI IN. Signal Processing: PC interface: 24 bits. AD/DA conversion: 24 bits. Sampling frequency: AD/DA conversion: 44.1 kHz, 48 kHz, 96 kHz, 192 kHz. Power Supply: rechargeable Ni-MH battery (AA, HR6) x 4. Alkaline battery (AA, LR6) x 4. Obtained via USB port (USB bus power). Current draw: 500 mA. Battery life: 4 – 7 hours. Dimensions: 174 x 133 x 58 mm. Weight (including batteries): 554 g. Package includes: manual, alkaline battery (AA, LR6) x 4.