BLACKBOX is a portable and multifunctional Guitar/Bass effector. lt has 80 editable Presets, the users also can customize effectors chain and save. It has built-in battery, it can last up to 10 hours on a full charge. BLACKBOX has 6 effects Modules, it provides the Noise Gate,Boost,Compressor,20 Preamp,3-band EQ,7 Modulations,5 Delays,6 Reverbs,20 lR CAB slots and so on.