MIGHTY 8BT MKII includes a 6.5” FRFR speaker with IR technology, offering you limitless tonal possibilities. By using 8 x AA batteries, this portable amp will let you busk anywhere for up to 8 hours. The MIGHTY 8BT MKII provides a variety of effects for electric guitar and bass guitar including amp modeling and cabinet IRs. It also comes with acoustic amp modeling and acoustic IRs to let you simulate acoustic guitar tones. There’s even an additional channel on the amp to plug in a dynamic mic, making it a great solution for live performances. Editing and saving your presets can be done in the studio or on the go with the Mighty Amp App for your smart device (iOS/Android) or Mighty Editor software (Mac/PC). And you can even load 3rd party IRs through the Mighty Editor edit software to expand your tone. (You can load any WAV format IRs, the Mighty Editor will convert to 32bits/48kHz onto the device automatically.)