Brand New MXR M233 Micro Amp+For more than 20 years, the MXR Micro Amp has been a staple among the worlds top artists because of its ability to boost and sweeten up your guitar or bass tone and drive the front of your amp. The Micro Amp+ builds on that classic pedal with EQ controls and other upgrades that take this powerful boost box to the next level. With its Gain knob, the Micro Amp+ allows you to dial up just as much gain as the originalup to +26dBbut with added EQ controls,