A powerful all-in-one preamp/effect processor/power amps. It features everything a bass player needs: three fully programmable channels (Solid State / Tube / Vintage), and a vast array of virtual amps,speaker cabs, microphones and effects with a 4-band eq, and a 500W power amp with an impressively huge, warm tone! New design for 2015 features a Master Volume on the front panel, Patch Level control, new effects and new improvements as Comp Indication at the display, ultra reduced Switching Time between presets, Control Change Map with on/off assignable to each single effect. The Bass Multiamp Remote Control software, available for free download at our website, allows to modify your presets parameters connecting your Bass Multiamp to your computer via USB! With the optional MULTIAMP MIDI PEDALBOARD you can have a complete and easy control of your Bass Multiamp, plus allows to have access to Tuner and Tap Delay functions of the Multiamp, and to add an optional expression pedal.The MULTIAMP MIDI PEDALBOARD runs on a 9VDC phantom power from the Multiamp via MIDI cable. The dimensions of the unit suit it for installing into a 2U standard rack the weight is 3,8 kg.