Zoom V3, Vocal Processor, 16 Creative effects for voice processing such as Harmony, Vocoder, Robot, Telephone, Beat Box or Talk Box, Selectable key for the effects Harmony, Talk Box, Vocoder and Pitch Correct, Up to 5 effects can be used at the same time, Additional effects: compressor, delay and reverb - each with intensity control, Enhance function for automatic optimization of the microphone signal, Integrated USB 2.0 audio interface with 16/24/32 bit and 44.1kHz (2 In / 2 Out), Microphone input: XLR (+ 48V phantom power switchable), Pedal input: 6.3 mm jack, Aux input: 3.5 mm stereo jack, Micro USB-B port, Headphone output: 3.5 mm stereo jack, Stereo line output: 2x 6.3 mm jack, Operation via batteries (4 AA Mignon) or optional Zoom AD-16 power pack (Art.#105835#, not included), Dimensions (W x D x H): 190 x 150 x 50 mm, Weight: 590 g, Includes instruction manual