IR Pedal Simulator of Guitar or Bass Cabinet, Advanced DSP Platform with High Quality 24-Bit A/D/A Conversion and Excellent Dynamic Response, Internal Voltage Boost Circuit for Large Headroom with Standard 9V DC Power Supply , 40 legendary guitar and bass IR cabinets, detailed 4-band EQ with flexible frequency range and 12dB max boost/cut, supports 3rd party IR files, USB jack for firmware upgrade, IR management/loading with free software for Mac or PC, aux in and headphone out for practicing and jamming, 40 presets, built-in high-resolution OLED display, assignable footswitch with LED, 9V DC power supply, power consumption: 200 mA, dimensions: 58 x 101 x 47mm, weight: 220g.