POD Express Bass is an ultra-portable bass amp and effects processor that enables bassists to take their tones wherever they choose. Simple controls make it easy to use, while models derived from the HX® family of processors ensure exceptional sound quality and authentic feel. POD Express Bass gives bassists seven amps, seven cabs, and 17 distortion, compression, synth, modulation, and delay effects - including a looper - and it may be powered by three AA batteries (included) or an optional 9-volt power supply.