Vocal multi-effect processor. 8 Effect Modules & 54Effect Types. 40 Preset Patches & 40 User Patches. Phrase Looper with 16 seconds of recording time. Vocoder Function and Patch Pre-Select Recall Function. Assignable Expression Pedal. Mic Input : both XLR and 1/4” jack. Instruments Input : 1/4” mono jack. Instruments Through : 1/4 ” mono jack. Output(Phones) : 1/4 ” stereo jack. Power supply: DC 9V Adapter or AA/LR6 battery(x4)